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GREP: Search Files for Pattern
GREP is used to search for strings in multiple files.
Command syntax:
grep [switches] pattern { file }
- pattern is the string to search for.
- file is the name of the file to search. Multiple
files can be listed, and wildcards can be used.
- -h Suppress printing of filenames.
- -i Become case-insensitive.
- -r Recursively search subdirectories.
- -v Verbose; print name of each subdirectory as it is searched.
- -z Search for wide character strings.
GREP will print each line in each file that contains a match for
pattern. It works with binary files as well as text files.
Example:
To search all .c files for the string 'this':
grep this *.c
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