It will not show any lines or words when you use the "-c" option. Include or Exclude specific files names from search Using grep command it is also possible to include only specific files as part of the search. /i: Specifies that the search is not case-sensitive. $ grep -n unix examplefile.txt 2:this is line 2 unix This makes it easier to locate the pattern in a large file that doesn't have its own line numbers. [^#;] means any character which is not # or ;. If the standard input is searched, the string ``(standard input)'' is written. -exec grep … will find files … You need to restrict the find to only grep within plain files. Dear all, I wanted to use grep to search some files containing code - and the result was very disappointing: although I could see with my own eyes the expressions (written in the files), grep didn't g | The UNIX and Linux Forums In that case, combine the patterns manually into a single grep: grep -e 'word1. ! -exec grep … is not equivalent to -exec grep -v …. ! Path- names are listed once per file searched. Then I'm piping this to grep, to find only lines that contain "X". grep "^[^#;]" smb.conf The first ^ refers to the beginning of the line, so lines with comments starting after the first character will not be excluded. Linux, Solaris, BSD, Ubuntu or IBM AIX is used to search files with matching patterns, by using grep command in Unix you can search a file which contains a particular word or particular … grep command in Unix operating system e.g. Displays all lines that don’t contain the specified . For many files: grep word1 ~/files/* | grep word2 No need for a loop or cat. -type d finds plain files, symbolic links, named pipes, sockets, and device files — everything except directories. *word2' -e 'word2. Thank you! You want to use the "-L" option of grep:-L, --files-without-match Only the names of files not containing selected lines are written to standard output. grep command is one of the most frequently used UNIX command stands for "Global Regular Expression Print" like find, chmod or tar command in Unix. I think that your problem is that you are using find to grep on the ./logs directory itself and not just on the files in that directory. -exec grep -v … will find files that have at least one line that doesn’t match. /n: Precedes each line with the file’s line number. For example we only would like to search for a specific text/string within configuration files with extension .conf.The next example will find all files with extension .conf within /etc directory containing string bash: Now I want to pipe this again into another grep, that will remove all the lines containing "Y". This may not work correctly for files whose names contain word2. (4) Display how many lines contain the search pattern Another option instructs grep to count the number of times a pattern appears. When I add the second pipe, the file stop refreshing and it looks like no data is coming. [/off[line]] Doesn’t skip files … That's working perfectly fine. Search in a directory specifically through output files only (named oxxxxx), for those that do not contain the phrase completed without error, listing these oxxxx files in the terminal window. So find . To save time is there a way of using the grep command to. *word1' ~/files/* When multiple files are provided to grep, it prints the i mean if the grep command find these word"program by x team", it will ignore the file in result. /c: Counts the lines that contain the specified and displays the total. Note that ! hello i want to make a bash script to grep all .asp file in specific directory that doesn't not contain a word like "program by x team" for security reason. I'm tailing a log file with -f flag. 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