grep - manual page for grep 1.31.1
grep [-HhnlLoqvsriwFE] [-m N] [-A/B/C N]
PATTERN/-e PATTERN.../-f FILE [FILE]...
BusyBox v1.31.1 (2020-04-30 13:38:01 EDT) multi-call binary.
Search for PATTERN in FILEs (or stdin)
- -H
- Add 'filename:' prefix
- -h
- Do not add 'filename:' prefix
- -n
- Add 'line_no:' prefix
- -l
- Show only names of files that match
- -L
- Show only names of files that don't match
- -c
- Show only count of matching lines
- -o
- Show only the matching part of line
- -q
- Quiet. Return 0 if PATTERN is found, 1 otherwise
- -v
- Select non-matching lines
- -s
- Suppress open and read errors
- -r
- Recurse
- -i
- Ignore case
- -w
- Match whole words only
- -x
- Match whole lines only
- -F
- PATTERN is a literal (not regexp)
- -E
- PATTERN is an extended regexp
- -m N
- Match up to N times per file
- -A N
- Print N lines of trailing context
- -B N
- Print N lines of leading context
- -C N
- Same as '-A N -B N'
-e PTRN Pattern to match
-f FILE Read pattern from file