zgrep用法

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http://manpages.ubuntu.com/manpages/trusty/man1/zgrep.1.html

NAME

       Zgrep - search compressed files for a regular expression

SYNOPSIS

       zgrep [options] <pattern> [files]

DESCRIPTION

       Zgrep is a front end to the grep program that allows transparent search
       on any combination of compressed and non-compressed files. If any given
       file  is  compressed, its uncompressed content is used. If a given file
       does not exist, and its name  does  not  end  with  one  of  the  known
       extensions,  zgrep tries the compressed file names corresponding to the
       supported compressors. If no files are specified,  data  is  read  from
       standard input, decompressed if needed, and fed to grep. Data read from
       standard input must be of  the  same  type;  all  uncompressed  or  all
       compressed  with  the  same  compressor.  The supported compressors are
       bzip2, gzip, lzip and xz.

       Exit status is 0 if match, 1 if no match, 2 if trouble.

OPTIONS

       --help display this help and exit

       -V, --version
              output version information and exit

       -a, --text
              treat all files as text

       -A, --after-context=<n>
              print <n> lines of trailing context

       -b, --byte-offset
              print the byte offset of each line

       -B, --before-context=<n>
              print <n> lines of leading context

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

       -C, --context=<n>
              print <n> lines of output context

       -e, --regexp=<pattern>
              use <pattern> as the pattern to match

       -E, --extended-regexp
              <pattern> is an extended regular expression

       -f, --file=<file>
              obtain patterns from <file>

       -F, --fixed-strings
              <pattern> is a set of newline-separated strings

       -h, --no-filename
              suppress the prefixing filename on output

       -H, --with-filename
              print the filename for each match

       -i, --ignore-case
              ignore case distinctions

       -I     ignore binary files

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

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

       -m, --max-count=<n>
              stop after <n> matches

       -n, --line-number
              print the line number of each line

       -o, --only-matching
              show only the part of a line matching <pattern>

       -q, --quiet
              suppress all messages

       -r, --recursive
              operate recursively on directories

       -s, --no-messages
              suppress error messages

       -v, --invert-match
              select non-matching lines

       --verbose
              verbose mode (show error messages)

       -w, --word-regexp
              match only whole words

       -x, --line-regexp
              match only whole lines

zgrep用法

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原文地址：http://www.cnblogs.com/jyaray/p/6323177.html