Grep multiple strings with spaces. To search multiple patterns, use the following syntax.

Grep multiple strings with spaces File b. Jun 12, 2024 · Grep for Multiple Strings in Linux Grep Multiple Strings. This will instruct grep to find a string that starts immediately after the other one. sh" is a filename glob pattern, which is a completely different notation for matching than the regular expressions expected by grep. txt Yes, it works. It is a neat program but it doesn't go well with find when faced with non trivial cases. I have to use the grep command only. 1. With two strings, it is not a Nov 6, 2012 · @user1190650 That would work if you want to see the "Here is a" as well. *\s+. \s match the white space characters; if followed by *, it matches an empty line also. I have tried numerous attempts such as: grep '*[[:space:]]' text1. Problem Statement Feb 10, 2015 · I need to count messages per hour in my log file. What is the Difference Between grep, grep -E, and egrep? Examples of Using Grep for Multiple Strings, Patterns and Words. Tutorial details May 13, 2020 · grep is a powerful command-line tool that allows you to searches one or more input files for lines that match a regular expression and writes each matching line to standard output. Nov 22, 2017 · I would like to grep the word “s a i” (which has spaces in it) in a xyz. \s seems to work for whitespace, and \S seems to work for non-whitespace, but it includes all whitespace characters (spaces AND tabs) and it doesn't work if I put it in brackets, treating the backslash and the \s as separate characters. */\1/'. Thus when the shell is given '\modify |*sent\' on the grep command it gives \modify |*sent\ to grep (as a single word, with the spaces included). May 1, 2014 · The asterisk * is not a wildcard in grep's regex. split(':'). $ grep "bla bazz" t Are there some more exotic grep's out there, which would incorrectly deal with unescaped space? Maybe, different quotas to be Jun 9, 2015 · grep -v "[^ . We can easily grep two words or string using the grep/egrep command on Linux and Unix-like systems. grep SEQ * | awk '{print $7}' but this does not cope with the fact that each line could be slightly different. Ive tried to use awk. Now if you have a requirement to search for multiple strings with AND condition i. txt > text2. cat file. How can I make the search string be treated as a single value? Using xargs to pass the files that need to be searched to grep works fine. txt but that returns no results. There's no shame in that, particularly because a regular expression (using egrep) would be ungainly since you seem to imply you want order independence. Sep 12, 2012 · A related note. *\)String. Feb 23, 2022 · grep ". I'm trying to use grep to search for two of the words, but I can't figure out how to include the tab in the search string. But what grep actually gets as its first argument is just abcdef| with no backslash - which is what you want with basic grep regexes Dec 20, 2010 · Check if all of multiple strings or regexes exist in a file; How to run grep with multiple AND patterns? & Match all patterns from file at once; For OR operation, see: How do I grep for multiple patterns with pattern having a pipe character? Grep: how to add an “OR” condition? So I was trying to use the grep command in Linux to keep only the characters in each line up to and not including the first blank space. Jul 25, 2013 · I mean like grabbing all strings that say "word" followed by unknown number of spaces (nothing else) and then "-c" – user2619315 Commented Jul 25, 2013 at 15:18 May 24, 2017 · how about grep once with the I tried adding "\\stable" to include a space before Returning the matched string from a grepl match of multiple strings, rather Oct 1, 2022 · $ grep "bla\ bazz" t /tmp/bin/grep: warning: stray \ before white space whereas grep 3. txt prints: abc ghi Or if stacking -e flags through grep parameters is okay (credit -> @Frizlab): grep -Fv -e def -e jkl filename. txt. From the man page :-e PATTERN, --regexp=PATTERN Use PATTERN as the pattern. Syntax for excluding multiple strings: grep -Ev 'string1|string2' filename. grep -i '[[:blank:]]pattern' returns 1,3 and 4. For example is an array is such that array (12 Replies) Oct 1, 2024 · Sometimes, we may encounter situations where the text contains multiple spaces making it harder to search for and extract data. string1 and string2 on different lines and either present in same file): grep -r -l 'string1\|string2' * Feb 22, 2022 · output from docker-compose up is to be piped to the grep calls; the intention is to run docker-compose up once but run 2 sets of grep calls; results of grep calls are to be appended to the output files (Logs1. betterthangrep. For example, this command searches for an exact match hours with leading or trailing white space characters. Modified 4 years, How to grep multiple strings when using with another command? 0. Grep Lines from File with spaces. 6 does not complain. txt Okay so I have a textfile containing multiple strings, example of this - Hello123 Halo123 Gracias Thank you I want grep to use these strings to find lines with matching strings/keywords from other files within a directory . A literal search (/C:string) will reverse this behaviour and allow searching for a phrase or sentence. txt prints: abc ghi egrep using -v flag with pipe between tokens surrounded by parens: egrep -v '(def|jkl)' filename. 5 and newer versions (a bug in old grep?). Oct 27, 2023 · I needed to find all the files that contained a specific string pattern. Detect combination of multiple strings at once in R. Finally, my colleague tells me that this will work: grep '\-\+' test. py' | xargs grep -e 'YOUR_PATTERN' But if I need to find patterns that spans on more than one line, I'm stuck because vanilla grep can't find multiline patterns. ]\+$1": means Filter-out (-v) previous-matches which start with a least one character other than "space" or ". Apr 25, 2013 · grep command using -E flag with a pipe between tokens in a string: grep -Ev 'def|jkl' filename. log OR else use regex using grep -E for extended regex support: grep -vE 'string one|string two' file. To grep for carriage return, namely the \r character, or 0x0d, we can do this:. )) | grep -c / Will count the number of regular files in the folder directory that contain at least one occurrence of <space><tab><space>. Aug 24, 2017 · $ grep ' \. You can modify the for file in * statement with whatever shell expansion you want to get all the data files. *" = grep "\s" - matches and returns lines containing a whitespace char (only GNU grep) grep ". Oct 2, 2018 · grep Drums "bands/Dream Theater" grep Drums "bands/Rush" grep Drums "bands/King's X" grep Drums "bands/Megadeth" In the case of grep this has the side effect of either printing the filename or not. ) fgrep is deprecated but may be still available as an alternative to grep -F. The first solution that comes to mind is using find piped with xargs grep: find . Jun 29, 2010 · I writing a script to go through multiple reports. txt which matches only random string and any number of spaces. Here is findInFiles. Sep 29, 2015 · I've got a file with with a list of words each delimited by tabs. 3 (Ubuntu 10. using grep with multiple entries in r to find matching strings. txt But I get nothing. txt See the online demo: Sep 21, 2024 · How do I force grep to search multiple words? How can I grep for multiple patterns on Linux, OS X, FreeBSD, or Unix-like system? What is the command to search multiple words in Linux? The grep command supports regular expression pattern. Jun 14, 2023 · If you notice closely, every option placed inside the brackets starts with the space as in the file, they must be separated by the space. txt Jul 30, 2015 · If the search string has space, it is being treated as 2 separate strings instead of just one. What I need is one huge string with the original strings in the array separated by spaces. It won't expand into a list of things varying from the last character. e. $ matches the end of the line. The | regex alternation operator is escaped because it is considered a literal pipe char otherwise. Even a solution for only two strings would be nice. txt | grep -E 'CustomerName May 15, 2014 · Now, I want to issue a grep command that should return the first and third line from data. The following command does NOT work: grep 'pattern1\\|pattern2' filename What is wrong with this May 3, 2015 · When the search string contains multiple words, separated with spaces, then findstr will return lines that contain either word (OR). The grep command is well-equipped to handle this task, thanks to its various options and flexibility. So far I have tried the following: grep -i '^ [[:blank:]]pattern', but it returns only line 4. If you want to find out the appearance of multiple strings at once, then first and the simplest approach is a combination of multiple results of grepl. What's the correct way to deal with such a pattern ? Just do not escape the space? I. How do I tell grep to find strings containing whitespace or tabs? The manual tells me nothing. txt and Logs2. sh script that just echos all the arguments. Append string on grep multiple results in a single command. (-F is specified by POSIX . I want to find all text files inside a given directory (recursively) that containg this string, or any variations of it with white spaces and/or newlines in Jan 7, 2015 · I want to grep for the string that contains with dashes like this:---0 [58ms, 100%, 100%] There's at least one dash. | xargs -r0 grep -lZ Ryia | xargs -r0 grep -l bug grep -rlZ John : Will recursively (-r) grep John in all files and print only the file names (-l). pdf' example grep . ^ matches the beginning of the line. Multiple pattern grep. Assuming it isn't too common a word, and if you're doing this by hand for the purpose of manual refactoring, I'd ignore the extension and just grep for filename. For loop with grep and spaces. 5. txt If you want to grep using more advanced regex, use -E (use extended regex): grep -E 'directory[1-3]' file. Share Aug 30, 2021 · There will be two main scenarios – detection of multiple strings simultaneously and any of the given strings. I want to match all lines that start with exactly, say, 8 spaces and then a double quote mark. join(','). Jul 23, 2019 · finally, the "s/ */ /g" part replaces multiple spaces with 4 spaces to get a more beautiful look. com – May 3, 2015 · Expanding upon Hin's answer, you can produce the patterns and do the grep search in one line using bash's process substitution: grep -F -f <(cut -d, -f1,2 filename) file-*. *" = grep "\s+" - returns line containing a whitespace followed with a literal + char (since you are using POSIX BRE regex here the unescaped + matches a literal plus symbol). egrep '(str1|str2|str3)' grep str1 | egrep '(str2|str3)' Jun 18, 2017 · -r recursively searches the directory, -o will "show only the part of a line matching PATTERN" -- this is what splits up multiple occurences on a single line and makes grep print each match on a new line; then pipe those newline-separated-results back into grep with -c to count the number of occurrences using the same pattern. Note you may also use sed to extract the second non-whitespace chunk from the lines: Apr 16, 2014 · If I use grep for _SEQ then I get the whole line. Dec 12, 2019 · AND: To print only lines that match regex A and B chain two grep searches: grep A | grep B. When working with text data in Linux, you often need to search for multiple patterns within files or command outputs. Aug 22, 2015 · I am trying to grep for a small string in a much larger string. You can test it out: echo "Here is a one is a String" | sed -e 's/one is\(. 2. Aug 28, 2017 · Use tr with its -s option to compress consecutive spaces into single spaces and then grep the result of that: $ echo 'Some spacious string' | tr -s ' ' | grep 'Some spacious string' Some spacious string This would however not remove flanking spaces completely, only compress them into a single space at either end. To search multiple patterns, use the following syntax. The above only deals with spaces separating the columns (potentially multiple ones, thanks to the final + in the regex), whereas the OP more generally mentions whitespace. That is grep 'pattern1 OR pattern2' filename. -type f -exec grep -H string1 {} \; I need to find files containing multiple strings, so the command should return those containing all strings. I use the terminal on my Mac OS (not sure if that makes a difference). In the earlier examples we were using OR condition to match multiple strings. This can occur due to issues such as data entry errors or formatting issues. split('='). pdf Or if there might be multiple spaces (we can't use * as this will match the cases where there are no preceding spaces) grep ' \+\. my approach is to set some keyword as array, then pass it to grep, it work flawlessly until the keyword has at least two w Nov 24, 2020 · grep multiple words that have space. You want. split(',') Essentially doing a split followed by a join is like a global replace so this replaces each separator with a comma then once all are replaced it does a final split on comma Jan 12, 2013 · I'm getting stuck on this one. I just noticed that it also removed multiple spaces between Institution Name and Site Name. Feb 21, 2021 · Grep a string with spaces from a file. May 31, 2014 · for file in *; do if [ "$(grep -c "Hello" "${file}")" -gt 1 ]; then echo "${file}"; fi; done Explanation. A literal search also allow searching for punctuation characters. R search for multiple patterns grepl. grepl() in R: What's the Difference? R: How to Drop Rows that Contain a Specific String; R: How to Use grep() to Not Include Specific Matches; How to Remove First Character from Strings Using dplyr; dplyr: How to Use a "starts with" Filter Jan 2, 2018 · Solution: My date variables were in the wrong format (day number and day of the week were flipped). txt I'm assuming the patterns you're producing are fixed strings, not regular expressions, hence the -F option To match multiple strings or patterns at once with grep, you can either repeat the -e flag multiple times: $ grep -e 'pattern' [-e 'pattern'] <file> Or you can use the | separator: $ grep 'pattern[\|pattern]' <file> For example, both of these commands will search for the strings ERROR and WARNING in the logs. Overview of grep for multiple strings. The use of xargs to run the output from a previous command through the next command, is a typical pattern in Unix. 4. txt | grep '[[:space:]]\{8\}"' What am I doing wrong there? It's matching lines that start with more than 8 spaces also. -type f -exec grep -H string1 AND string2 {} \; I couldn't find a way. grep info: GNU grep 2. the problems is the space between debug and @10 are different on all the reports, some have one space some have two and some have tabs how do I ignore the tabs or spaces and grep daemon I'm writing a Bash script where I need to pass a string containing spaces to a function in my Bash script. This can be used to specify multiple search patterns, or to protect a pattern beginning with a hyphen (-). Let’s try searching a text document for two different strings: $ grep -e 'Class 1' -e Todd Students. Aug 24, 2015 · From the man page for grep:-F, --fixed-strings Interpret PATTERN as a list of fixed strings, separated by newlines, any of which is to be matched. Oct 4, 2016 · find . I confirm your result with grep 2. h' | grep -E '# ?include' Here the ? after the space means that the space is optional. How can I do this? May 6, 2015 · I have some files which may look like mem = 500, mem= 100, mem =256, or any combination of mem, whitespaces, =, and a number. one that doesn't require find, xargs or cp GNU specific extensions: Mar 26, 2015 · Both the grep and sed command are working. 3. In this article, we’re going to show you how to use GNU grep to search for multiple strings or patterns. "[[:space:],-] will match a space, a comma, or a dash. Hence I am using following 'for' and 'grep' command to do this - for i in `seq 0 23` do egrep " $ bash grepopts. I found this question: How can I grep for a string that begins with a dash/hyphen? So I want to use: grep -- -+ test. The length of the array is variable and length of each string is variable as well. I tried to find an answer but I didn’t manage to find any. . The simplest way to search for multiple strings Sep 29, 2012 · grep -P '^\s$' file -P is used for Perl regular expressions (an extension to POSIX grep). In addition, using ack instead of grep makes the output much easier to read and skim. Mar 17, 2022 · grep -i With multiple strings, after using grep on another command. In BRE you need to escape it with \ to get this special function, but you can use ERE instead to avoid this May 5, 2020 · How to Grep Multiple Patterns – Syntax. With this I could find the numeric string and the specific length. Grep, which stands for “global regular expression print,” is a powerful command-line tool used for searching and filtering Aug 7, 2020 · You can use -e option multiple times in grep to skip multiple search items: grep -v -e "string one that I don't want" -e "string two that I don't want" file. log Nov 25, 2021 · One method is to change all spaces to a newline, then use grep -x to select lines that exactly match your expression: $ echo '1341 5415 fdad' | tr -s '[:space:]' '[\n*]' | grep -xE -e '[1-9]{1,5}' 1341 5415 May 10, 2018 · grep H[\s\S]*w <filename> I thought that [\s\S] would give you any character, including spaces and line breaks (unlike . – Ernest Friedman-Hill Commented Dec 5, 2020 at 2:06 Feb 24, 2023 · How to Filter Rows that Contain a Certain String Using dplyr; Comparing grep() vs. You may use w option to match as a whole word, or choose between \b or \< / \>, whichever your grep supports: grep -Ewo '[0-9]+' grep -Eo '\b[0-9]+\b' grep -Eo '\<[0-9]+\>' See the online demo. $ grep -E "(^| )hours( |$)" test2. Grep Multiple Patterns # GNU grep supports three regular expression syntaxes, Basic, Extended, and Perl-compatible. *B|B. Let me know if you have further questions. txt Here, the backticks are escaped since they are used inside a double quoted string where they are evaluated. I have tried something Feb 24, 2014 · The easiest way to put these sorts of expressions together is with multiple pipes. Details: Create Test 'account' - a literal Feb 13, 2016 · $ cat test does not start with space starts with space starts with more spaces another good line $ egrep '^[^ ]' test does not start with space another good line If we want to skip lines starting with whitespace, including tabs, you can use the special [:space:] bracket expression inside the character class: egrep '^[^[:space:]]' test Feb 8, 2018 · If you want to use grep instead of case, make sure that you provide the string as an input to grep, and fix the regular expression: if echo "$1" | grep -E -q '^[_[:space:]]+$' then echo "Name is valid [$1]" else echo "Name is invalid [$1]" fi The -E option enables extended regular expressions (egrep mode). The concatenation goes wrong when I grep a file. For example: last | grep -i abc last | grep -i uyx I wish the combine the above into one command, but when searching on the internet I can only find references on how to use multiple strings with grep, when grep is used with a file, and not a command. May 6, 2011 · (By way of explanation, "*. example of text files being grepped - 123-example-Halo123 321-example-Gracias-com-no 321-example-match May 19, 2024 · 16. Dead simple, bash just copies each character after a single quote Apr 28, 2014 · grep -e 'attrib1' -e 'attrib3' file. When no regular expression type is specified, grep interpret search patterns as basic regular expressions. g. txt: blah blah export to excel blah blah. Anyhelp? Feb 6, 2014 · As @Jotne points out, the initial ^ is not strictly needed in this case - though it makes the intent clearer; similarly, you can drop the [] around the second space char. *A' For your specific case you could use. txt) One idea using tee: docker-compose up | grep -E 'CustomerName|Address' | tee -a Logs1. I have tried: grep -F -f match. txt Nov 11, 2016 · I need to match 2 same strings separated by one or more spaces. Alternatively, list all possible orders in which the regex can match in a single regex: grep -E 'A. Grepping patterns with spaces is helpful when you only want to match patterns that contain spaces. I want to grep daemon. sh script Jan 1, 2024 · grep multiple string with AND condition. Oct 30, 2019 · If you want to match spaces and tabs between a and b, you can insert a literal tab character inside [] with $'\t': grep "\"'x','a[ "$'\t'"]\+b[ "$'\t'"]\+c'\"" grep -E "\"'x','a[ "$'\t'"]+b[ "$'\t'"]+c'\"" Jul 17, 2019 · The spaces are not the problem here, it should work fine. 6. /*(D. The line numbers are just for the reference. txt file which is saved in another directory. 10). grep "Create Test 'account'\|Create Test \`account\`" test. txt Note that some greps (like GNU grep) won't require -E for this example to work. I get different results when combining string when I do a grep command from a variable or a file. grep -F $'\r' application. ² while egrep has been deprecated by POSIX and is sometimes no longer found on some systems, on some other systems like Solaris when the POSIX or GNU utilities have not been installed, then egrep is your only option as its /bin/grep supports none of -e, -f, -E Sep 7, 2015 · grep \\-X grep '\-X' grep "\-X" One way to try out how Bash passes arguments to a script/program is to create a . grep "[[:space:]-]" file. [:space:] only works inside "a set of characters" pair of square brackets. Would like to use what I have mainly because I use it for other things and it's familiar, just stuck on how to feed it grep strings from a file then outputting the match with filename Dec 12, 2017 · The only thing that I came up that works is saving the line as a string and then get the site name as a string after a certain number of characters, like this: echo ${line:50} but I'd like something more elegant. txt data. log In your case, as you want to match a fixed string and not a regex, you should use grep -F instead. Using the -e Option. "a=b,c:d". txt For the second question: To test for something in a string I usually stick to case, as this can check for multiple cases at once (note: case only executes the first match, if you need fallthrough use multiple case statements), and this need is quite often the case (pun intended): Aug 27, 2014 · Use grep -e option (multiple times) like this: grep -e Added -e Changed -e Fixed -e Deleted otherwise go to the regex route: Grep multiple strings. Then you don't need to escape: grep -F 'Starting [1] TaskInit' process. * stands for Kleene closure, and is meant to accept/match 0 or more occurrences of the previous character/character class. Every log file line is preceded by the time stamp. Grep in R using AND. grep 'xxxxxx\. Feb 15, 2010 · Regular Expressions In grep; Search Multiple Words / String Pattern Using grep Command; Grep Count Lines If a String / Word Matches; Grep From Files and Display the File Name; How To Find Files by Content Under UNIX; grep command: View Only Configuration File Directives Apr 14, 2022 · -0777 to slurp the file in as a single string /\bdummy\(\s*"(. I've tried: grep -i -e "word1 \tword2" along with several variations, but I still can't figure it out. Oct 9, 2020 · wolf@linux:~$ cat space. txt: Jul 9, 2013 · I often need to search for lines containing multiple strings/patterns in a git project e. txt 0space 1 spaces 2 spaces 3 spaces 4 spaces wolf@linux:~$ I just want to grep up to 3 spaces only, minimum 1 space, maximum 3 spaces Unfortunately, it doesn't really work as expected. txt has: error1 errors error3 with space error4 with multiple spaces. So write: grep 'Starting \[1] TaskInit' process. grep up to 3 spaces with \s. Mar 13, 2019 · I want to grep 2 patterns in a file on Solaris UNIX. all the provided patterns must match in the same line Mar 25, 2024 · Discover the power of grep for searching multiple strings effortlessly. log I've never found a way to search for multiple patterns, and believe me, I've looked! Like so, your shell file, with an embedded string: #!/bin/bash grep *A6* "Alex A1 Alex A6 Alex A7 Bob A1 Chris A9 Chris A6"; grep *A7* "Alex A1 Alex A6 Alex A7 Bob A1 Chris A9 Chris A6"; grep *A8* "Alex A1 Alex A6 Alex A7 Bob A1 Chris A9 Chris A6"; This looks like a behavior difference in the handling of \s between grep 2. I'm trying to figure out how to deal with whitespace in grep. For example, in an otherwise empty directory create Mar 16, 2012 · @Prometheus any line that has more than two consecutive spaces will, by definition, have two consecutive spaces, so this command will find them as well. You can also use grep to find multiple words or strings. txt grep '/^[^[[:space:]]]+/' text1. But the concatenation of the result with a string goes wrong. *\)String/\1/'. So far I have: egrep '[ ]\w+[ ]{1,}' sample. 3 (cygwin) OS info: Windows 2008 R2 Nov 16, 2012 · I have a variable in my shell script of the form myVAR = "firstWord###secondWord" I would like to use grep or some other tool to separate into two variables such that the final result is: myFIRS Mar 9, 2018 · Thus, all you need to do is to use your pattern with word boundaries. But the brackets [need to be escaped in regex. Jun 19, 2017 · Pattern to be recognized here also 4. Something like this: find . log But how to get those that are between spaces? ¹ some grep implementations support even more like perl-compatible ones with -P, or augmented ones with -X, -K for ksh wildcards. ' + grep -e 'test this' I want to test this. From basic syntax to advanced techniques, find tips and tricks for efficient searching and troubleshooting. I use a script called echo-args. Both strings are being stored as variables and here is a code example: #!/bin/bash long_str=$(man man) shrt_str="guide" if grep -q $ You can have multiple tests in a single grep command by passing each expression with a -e argument instead of as the first non-option argument as you normally see: $ grep -v -e foo -e bar file That says the same thing your command does: print lines from file that contain neither "foo" nor "bar". How do I match many strings in a string with a single command? I know grep could be used for pattern matching, but using grep, I can check only one string at a time. Mar 21, 2017 · By the way: (1) you need to put your sed script in single-quotes so that Bash doesn't mess with it (since sed s/\n/ /g calls sed with two arguments, namely s/n/ and /g); (2) since you want the output of cat file | grep pattern to be the input to sed, not the arguments to sed, you need to eliminate xargs; and (3) there's no need for cat here, since grep can take a filename as its second argument. grep -c returns the number of lines that match the pattern, with multiple matches on a line still counting for just one matched line. In this tutorial, we’ll explore matching words and ignoring multiple spaces using the grep and tr commands. Sep 27, 2008 · Just don't use xargs. 0. log Alternatively, use printf, or echo, for POSIX compatibility Sep 27, 2024 · Using Grep to Filter Multiple Strings Method 1: Using the -E Flag. Everything in single quotes is untouched by the shell. I can echo the number. tsv. When used with the -v flag, it helps exclude multiple strings from the output. -Z will ensure that any unusual characters like newlines are printed and sent to the next command correctly. If you just want the part between "one is" and "String", then you need to make the regex match the whole line: sed -e 's/. Original Aug 16, 2018 · With zsh (cd folder && grep -l $' \t ' . *one is\(. Here is a portable (POSIX) solution, i. ), but it didn't work. grep -i '^[[:blank:]]pattern' returns 1,3 Sep 10, 2012 · Following that logic, I thought maybe [:space:] is the representation of a single space character, and could be used directly in an egrep string, but this is not the case. -iname '*. The strings can be anywhere in the files. The -E flag in grep enables extended regular expressions, allowing for pattern matching. I want to return the whole word (delimited by spaces) that matches _SEQ. git grep -i -e str1 --and -e str2 --and -e str3 -- *strings*txt This gets tedious very quickly. 10 on all reports to make sure it is pointing to the right IP address. tabs) and not only the common literal "space", replace the literal space " " in the grep patterns above with [:space:] Aug 24, 2009 · Bash does handle single quoted strings differently from double quoted strings. 10. tsv, the backslash keeps the shell from interpreting the pipe and trying to feed the output of grep abcdef to the command filename. pdf' example + means "one or more of the preceding character". sh to play with from time to time, all it contains is: Jul 5, 2013 · If you want to grep for just one space as you put in your question, you would use something like: grep -e '^\s[^\s]' -e '[^\s]\s$' -e '[^\s]\s[^\s]' a. 5. How to grep two terms at the same time in R. The same issue would happen with this line is any file names have spaces in them: for FILE in $(ls) The results of ls are substituted into the line and, if any file names have spaces, tabs, or carriage returns in them (all of these are legal characters), then the names are split into parts. txt: abc fed ghi jkl zyx wvu tsr qpo because each of these two lines match one of the patterns in match. txt grep '*[^\s]' text1. debug @10. The tr converts the output of grep so that if any filenames include spaces they'll be protected going forward. If those are the only strings you need to search for, use -F (grep for fixed strings): grep -F "directory1 directory2 directory3" file. May 5, 2022 · With a GNU grep, you can use. to match newlines. In regular expressions, * means 0 or more repetitions of the previous expression, which in your case was a space. A dot means any character at all. May 13, 2020 · In this article, we’re going to show you how to use GNU grep to search for multiple strings or patterns. – Jul 6, 2024 · Find multiple strings. +?)"/gs finds all the quoted string content after "dummy(" (with optional whitespace before the opening quote) the s flag allows . Ask Question Asked 4 years, 2 months ago. grep pattern with spaces. So, in order, grep str1 | grep str2 | grep str3. I want to know if multiple strings can be used with some other command or with grep itself. grep -E '[0-9]{12}' file. Aug 14, 2020 · For example, a 4 character string could be like "1100" or "0010" or "1001" or "1111". Sample Output: Aug 19, 2014 · grep -i -E -f inputfile namesfile > outputfile will do what you want, if your input file consists of one input name per line, in the pattern you already suggested: ^Michael: ^Jane: ^Tom: May 5, 2012 · How to use grep to output occurrences of the string 'export to excel' in the input files given below? Specifically, how to handle the line breaks that happen in between the search strings? Is there a switch in grep that can do this or some other command probably? Input files: File a. *\s. Example command: Jul 3, 2023 · I'm creating PowerShell and Bash scripts to standardise our usage of the former's Get-ChildItem and Select-String and the latter's grep. " If you want to match any "whitespace" (e. pattern with only one leading space I would like to grep only lines 2,3 and 4. Mar 25, 2016 · Here is the syntax using git grep combining multiple patterns Check if all of multiple strings or Will easily break for filenames containing spaces, asterisks Jan 25, 2011 · How to grep for multiple strings in file on different lines (Use the pipe symbol): and all one-liners here failed to me because the files contained spaces in the Apr 14, 2019 · i tried to make bash script that can find "keyword" inside *. 4, but all four of your greps do work when using grep 2. Everything else is pretty straight-forward. Example: foo foo <-match foo fooo <- not a match. I want to get all those lines which have a numeric string with 12 chars between spaces. Jun 18, 2015 · When you type grep abcdef\| filename. May 28, 2015 · I have a string like: "thisissometext". Jun 22, 2021 · R grep: Match one string against multiple patterns. I changed this, then used the if statement proposed by @PesaThe below instead of my test. It works as expected when I grep a variable with the same text as in May 4, 2019 · grep searching multiple strings in a file. For example: #!/bin/bash myFunction { echo $1 echo $2 echo $3 } myFunction "firstString" "second string with spaces" "thirdString" When run, the output I'd expect is: firstString second string with spaces thirdString Apr 16, 2019 · instead of in the code below: grep "error1\|error2" mygrepitemslist. Aug 28, 2020 · grep -rlZ John . txt file and output the matching lines: Apr 22, 2010 · To search recursively across all files (across multiple lines within each file) with EITHER string present (i. You can specify multiple patterns by using the -e switch. How to Grep Multiple Patterns in a File; Search for Multiple Exact Matches in a File; Ignore Case when Using Grep for Multiple Strings; Show the Count of Multiple Matches in a File Sep 21, 2024 · We can easily grep two words or string using the grep/egrep command on Linux and Unix-like systems. any string containing escaped double quotes will break this regex; map {s/^\s+|\s+$//gr} trims leading/trailing whitespace from each Mar 16, 2009 · Another simple but effective method is to use split + join repeatedly. As part of the Bash script, I'm taking command-line arguments, parsing the comma-delimited values for the filename includes (plural), and trying to pass them to Grep's --include= but encountering all sorts of difficulties. But if you want the continuous string that combines one or the other option, you can remove the space. desktop file. If I assume there is no whitespace I can use: Jun 29, 2012 · Hi, Well as the title says, I have an array of strings (delimited by null). sh + GREP_OPTS=(-e "test this") + echo 'I want to test this. Finding a string in a Oct 30, 2015 · I'd be very tempted to use something like tr ';' '\n' < datafile | grep 'CPU[0-9]_Temp', using tr to convert the incredibly long string into a series of lines broken where there were semicolons, and then looking for the detail that is interesting. Eg. lbldqla apxk ivtueeg ntwdo ljfp hkpv qxhyx mmdzkh vxchf bhjwy axnlm brxnl djl cqospx fgd