Its input is a list of files (or current directory by default) and a text string or set of [[regular expressions]]. Its output consists of lines of text in the given files that match the string or [[regular expressions]]. The name "grep" stands for "Global Regular Expression Parser." | Its input is a list of files (or current directory by default) and a text string or set of [[regular expressions]]. Its output consists of lines of text in the given files that match the string or [[regular expressions]]. The name "grep" stands for "Global Regular Expression Parser." |