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grep

To search text for lines contain a match to the given strings or word

QuestionAnswer
Searches through file text for specific words or character patterns grep
grep Options: Searches binary (executables) files as if they were text files grep -a
grep Options: Print a specified number of lines AFTER the matching line grep -A number
grep Options:Print a specified number of lines BEFORE the matching line grep -B number
grep Options: Print a specified number of lines AROUND the matching line grep -C number
grep Options: Show number of matches of the string for the file grep -c
grep Options: Use regular expressions for the text file (like egrep) grep -E
grep Options: Uses a file as a source for string patterns grep -F
grep Options: Searches for multiple strings using a file that lists the string pattern grep -f
grep Options: Ignore the case of a string grep -i
grep Options: List just the names of the files with a match – used when search multiple files grep -l
grep Options: Show only a specified number of matches for a file grep -m number
grep Options: Displays the line number of the lines containing the term grep -n
grep Options: Display no-matching lines grep -v
grep Options: Search the directory recursively grep -r
grep Options: Searches in files with names that match a specified string grep --include=file_name
grep Options:Searches in files with names that DO NOT match a specified string grep --exclude=file_name
grep Options: Search for words only grep -w
grep Options: Suppress the inclusion of the file name in the grep output grep -h
Created by: johnadream