1/6/2023 0 Comments Grep vs.egrep![]() Include two lines of context before and after the matched line. Search all files, recursing through directories. Instead, exit with a zero exit status if any match is found. Include line numbers along with matching lines. Print filenames that contain matching pattern only. (Helpful for specifying several alternate patterns.) Common Command Line Switches for the grep Command Switch Consult the grep man page (or invoke grep –help) for more information. The following table summarizes some of grep’s more commonly used command line switches. ![]() The pattern is expected to be a single argument, so if pattern contains any spaces, or other characters special to the shell, you must enclose the pattern in quotes to prevent the shell from expanding or word splitting it. The pattern argument supplies the template characters for which grep is to search.
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