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2024年4月14日发(作者：tplogincn管理页面)

-o, --only-matching show only the part of a line matching PATTERN

-q, --quiet, --silent suppress all normal output

--binary-files=TYPE assume that binary files are TYPE;

TYPE is 'binary', 'text', or 'without-match'

-a, --text equivalent to --binary-files=text

-I equivalent to --binary-files=without-match

-d, --directories=ACTION how to handle directories;

ACTION is 'read', 'recurse', or 'skip'

-D, --devices=ACTION how to handle devices, FIFOs and sockets;

ACTION is 'read' or 'skip'

-r, --recursive like --directories=recurse

-R, --dereference-recursive

likewise, but follow all symlinks

--include=FILE_PATTERN

search only files that match FILE_PATTERN

--exclude=FILE_PATTERN

skip files and directories matching FILE_PATTERN

--exclude-from=FILE skip files matching any file pattern from FILE

--exclude-dir=PATTERN directories that match PATTERN will be skipped.

-L, --files-without-match print only names of FILEs containing no match

-l, --files-with-matches print only names of FILEs containing matches

-c, --count print only a count of matching lines per FILE

-T, --initial-tab make tabs line up (if needed)

-Z, --null print 0 byte after FILE name

Context control:

-B, --before-context=NUM print NUM lines of leading context

-A, --after-context=NUM print NUM lines of trailing context

-C, --context=NUM print NUM lines of output context

-NUM same as --context=NUM

--group-separator=SEP use SEP as a group separator

--no-group-separator use empty string as a group separator

--color[=WHEN],

--colour[=WHEN] use markers to highlight the matching strings;

WHEN is 'always', 'never', or 'auto'

-U, --binary do not strip CR characters at EOL (MSDOS/Windows)

-u, --unix-byte-offsets report offsets as if CRs were not there

(MSDOS/Windows)

'egrep' means 'grep -E'. 'fgrep' means 'grep -F'.

Direct invocation as either 'egrep' or 'fgrep' is deprecated.

When FILE is -, read standard input. With no FILE, read . if a command-line

-r is given, - otherwise. If fewer than two FILEs are given, assume -h.

Exit status is 0 if any line is selected, 1 otherwise;

if any error occurs and -q is not given, the exit status is 2.

Report bugs to: bug-grep@

GNU Grep home page:

General help using GNU software:


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