Here are some ways to do it: grep –color ‘pattern\|$’ file grep –color -E ‘pattern|$’ file egrep –color ‘pattern|$’ file The | symbol is the OR operator. Either escape it using \ or tell grep that the search text has to be interpreted as regular expressions by adding -E or using the egrep command instead … Read more
You can do it using -v (for –invert-match) option of grep as: grep -v “unwanted_word” file | grep XXXXXXXX grep -v “unwanted_word” file will filter the lines that have the unwanted_word and grep XXXXXXXX will list only lines with pattern XXXXXXXX. EDIT: From your comment it looks like you want to list all lines without … Read more
grep -nr ‘yourString*’ . The dot at the end searches the current directory. Meaning for each parameter: -n Show relative line number in the file ‘yourString*’ String for search, followed by a wildcard character -r Recursively search subdirectories listed . Directory for search (current directory) grep -nr ‘MobileAppSer*’ . (Would find MobileAppServlet.java or MobileAppServlet.class or … Read more
If your grep has the -L (or –files-without-match) option: $ grep -L “foo” *
If you want to find all commits where the commit message contains a given word, use $ git log –grep=word If you want to find all commits where “word” was added or removed in the file contents (to be more exact: where the number of occurrences of “word” changed), i.e., search the commit contents, use … Read more
Turn on grep‘s line buffering mode when using BSD grep (FreeBSD, Mac OS X etc.) tail -f file | grep –line-buffered my_pattern It looks like a while ago –line-buffered didn’t matter for GNU grep (used on pretty much any Linux) as it flushed by default (YMMV for other Unix-likes such as SmartOS, AIX or QNX). … Read more
Use the shell globbing syntax: grep pattern -r –include=\*.cpp –include=\*.h rootdir The syntax for –exclude is identical. Note that the star is escaped with a backslash to prevent it from being expanded by the shell (quoting it, such as –include=”*.cpp”, would work just as well). Otherwise, if you had any files in the current working … Read more
Try grep -o: grep -oh “\w*th\w*” * Edit: matching from Phil’s comment. From the docs: -h, –no-filename Suppress the prefixing of file names on output. This is the default when there is only one file (or only standard input) to search. -o, –only-matching Print only the matched (non-empty) parts of a matching line, with each … Read more
Recent versions of GNU Grep (>= 2.5.2) provide: –exclude-dir=dir which excludes directories matching the pattern dir from recursive directory searches. So you can do: grep -R –exclude-dir=node_modules ‘some pattern’ /path/to/search For a bit more information regarding syntax and usage see The GNU man page for File and Directory Selection A related StackOverflow answer Use grep … Read more
First redirect stderr to stdout — the pipe; then redirect stdout to /dev/null (without changing where stderr is going): command 2>&1 >/dev/null | grep ‘something’ For the details of I/O redirection in all its variety, see the chapter on Redirections in the Bash reference manual. Note that the sequence of I/O redirections is interpreted left-to-right, … Read more