GREP.1
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操作系统开发
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C/C++
- GREP(1) Minix Programmer's Manual GREP(1)
- NAME
- grep - search a file for lines containing a given pattern
- SYNOPSIS
- grep [-elnsv] pattern [file] ...
- OPTIONS
- -e -e pattern is the same as pattern
- -c Print a count of lines matched
- -i Ignore case
- -l Print file names, no lines
- -n Print line numbers
- -s Status only, no printed output
- -v Select lines that do not match
- EXAMPLES
- grep mouse file # Find lines in file containing mouse
- grep [0-9] file # Print lines containing a digit
- DESCRIPTION
- Grep searches one or more files (by default, stdin) and selects out all
- the lines that match the pattern. All the regular expressions accepted
- by ed and mined are allowed. In addition, + can be used instead of * to
- mean 1 or more occurrences, ? can be used to mean 0 or 1 occurrences, and
- | can be used between two regular expressions to mean either one of them.
- Parentheses can be used for grouping. If a match is found, exit status 0
- is returned. If no match is found, exit status 1 is returned. If an
- error is detected, exit status 2 is returned.
- SEE ALSO
- cgrep(1), fgrep(1), sed(1), awk(9).
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