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JIRA: BOTTLENECK-10

Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>

1 files changed, 86 insertions, 0 deletions

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+NAME
+     pgrep - a grep with Perl-compatible regular expressions.
+
+
+
+SYNOPSIS
+     pgrep [-Vchilnsvx] pattern [file] ...
+
+
+
+DESCRIPTION
+     pgrep searches files for character patterns, in the same way
+     as  other  grep  commands  do,  but it uses the PCRE regular
+     expression library to support patterns that  are  compatible
+     with  the  regular  expressions of Perl 5. See pcre(3) for a
+     full description of syntax and semantics.
+
+     If no files are specified, pgrep reads the  standard  input.
+     By  default, each line that matches the pattern is copied to
+     the standard output, and if there is more than one file, the
+     file  name  is  printed before each line of output. However,
+     there are options that can change how pgrep behaves.
+
+     Lines are limited to BUFSIZ characters. BUFSIZ is defined in
+     <stdio.h>.  The newline character is removed from the end of
+     each line before it is matched against the pattern.
+
+
+
+OPTIONS
+     -V        Write the version number of the PCRE library being
+               used to the standard error stream.
+
+     -c        Do not print individual lines; instead just  print
+               a  count  of the number of lines that would other-
+               wise have  been  printed.  If  several  files  are
+               given, a count is printed for each of them.
+
+     -h        Suppress printing of filenames when searching mul-
+               tiple files.
+
+     -i        Ignore upper/lower case distinctions  during  com-
+               parisons.
+
+     -l        Instead of printing lines  from  the  files,  just
+               print the names of the files containing lines that
+               would have been printed. Each file name is printed
+               once, on a separate line.
+
+     -n        Precede each line by its line number in the file.
+
+     -s        Work silently, that  is,  display  nothing  except
+               error messages.  The exit status indicates whether
+               any matches were found.
+
+     -v        Invert the sense of the match, so that lines which
+               do not match the pattern are now the ones that are
+               found.
+
+     -x        Force the pattern to be anchored  (it  must  start
+               matching  at  the  beginning  of  the line) and in
+               addition, require it to  match  the  entire  line.
+               This is equivalent to having ^ and $ characters at
+               the start and end of each  alternative  branch  in
+               the regular expression.
+
+
+
+SEE ALSO
+     pcre(3), Perl 5 documentation
+
+
+
+
+
+DIAGNOSTICS
+     Exit status is 0 if any matches were found, 1 if no  matches
+     were  found,  and  2  for syntax errors or inacessible files
+     (even if matches were found).
+
+
+
+AUTHOR
+     Philip Hazel <ph10@cam.ac.uk>
+     Copyright (c) 1997-1999 University of Cambridge.
+