Grep variable with spaces
WebApr 7, 2024 · The grep command (short for Global Regular Expressions Print) is a powerful text processing tool for searching through files and directories. When grep is combined … WebFeb 26, 2010 · I am trying to grep a string which has two words separated by space. I used a script to grep the string by reading the string in to a variable command i used in the script is Code: echo "enter your string" read str grep $str it is working fine when the entered string is a single word but if it has two words then it is throwing an error Code:
Grep variable with spaces
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WebJan 30, 2024 · Recursive Searches With grep. To search through nested directories and subdirectories, use the -r (recursive) option. Note that you don’t provide a file name on the command line, you must provide a path. … Web5 Answers Sorted by: 8 Using xargs, it can be done in this way: find . -type f -print0 xargs -0 file grep -v 'image' But xargs is so yesterday. The cool kids use parallel today. Using parallel, it would be: find . -type f parallel file grep -v 'image' See. No use of -print0 and -0. parallel is really smart by itself. UPDATE
WebThat is because the file name has spaces and, after word splitting, the for loop gets three arguments: a, b, and c. This is easily avoided. Use instead: for file in * The shell is smart enough to keep each file name here in tact regardless of what characters are in its name. Recursive Searching Webthe -z (--null-data) option, and grep -P may warn of Matching Control-e PATTERNS, --regexp=PATTERNSUse PATTERNSas the patterns. multiple times or is combined with the -f (--file) option, search for all patterns given. This option can be used to -f FILE, --file=FILEObtain patterns from FILE, one per line.
WebDec 9, 2008 · The bash for loop is practical, but you must remember that it splits when it sees whitespace characters like space, tab, newline and more. So, it would help if you … WebDec 9, 2008 · The bash for loop is practical, but you must remember that it splits when it sees whitespace characters like space, tab, newline and more. So, it would help if you used IFS (Internal Field Separator). There is no need to grep command or egrep command when dealing with file with spaces. Instead try the find command and bash for loop.
WebJun 14, 2024 · No, it doesn't split on spaces. The shell splits the output of the $ (…) expansion on spaces, and xargs can do absolutely nothing about it when it's being used that way. If you leave any $variable or $ …
WebOct 24, 2024 · You can use sed for this use case. From the man page, sed uses the format: sed [options] commands [file-to-edit] Our command for this use case might look like this: This command breaks down as follows: The s stands for substitute. The % is a delimiter (we can use any characters here). The appears after the first %. rcw failure to yield intersectionWebJun 2, 2015 · Depending on your real data, you could look for the word followed by a space: grep 'deiauk ' file.txt If you know it has to be at the start of the line, check for it: grep '^deiauk ' file.txt Share Improve this answer Follow answered Jun 2, 2015 at 4:26 Volker Siegel 16.7k 4 52 78 Sadly, all of the answers other than this are incorrect. – Shatu rcw fail to provide vehicle registrationWebgrep searches the named input FILE s (or standard input if no files are named, or if a single hyphen-minus ( -) is given as file name) for lines containing a match to the given PATTERN. By default, grep prints the matching lines. rcw facilitiesWeb1 Answer. Word-Splitting is occurring on your GREP_OPTS="-e \"test this\"" resulting in the command being. See BashFAQ-50 - I'm trying to put a command in a variable, but the complex cases always fail. In order to prevent word splitting use an array for options … simulink rocker switchWebAug 28, 2024 · 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. rcw failure to renew tabsWebJul 17, 2024 · The spaces are not the problem here, it should work fine. But the brackets [need to be escaped in regex. So write: grep 'Starting \[1] TaskInit' process.log In your … rcw failure to register as a sex offenderWebAug 9, 2009 · Grep variable with space I want to grep a string variable that is provided by the user as input but it has a space between the two strings Actually I want user to input … rcw failure to yield right turn