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Full Discussion: Grep command to show the number of results
Top Forums UNIX for Beginners Questions & Answers Grep command to show the number of results Post 303042554 by RavinderSingh13 on Sunday 29th of December 2019 09:48:20 AM
Old 12-29-2019
Quote:
Originally Posted by milhan
do you mean the count of matching lines? If so, then -c option will do it. From man page on a NetBSD system:
Code:
-c, --count
              Suppress  normal output; instead print a count of matching lines
              for each input file.  With the -v,  --invert-match  option  (see
              below), count non-matching lines.

Code:
~ grep --version
grep (GNU grep) 2.5.1a nb1

Hello milhan,

If you see OP's question carefully, OP needs to know total number of matched count of string NOT number of lines and as per your posted quote seems -c Option gives matched number of lines.

Take an example where a line contains a string in 5 lines but one line is having string 2 in a line then count should come 2 but this will not be the case as per man page lines you showed, though I can't test it as I am not in box as of now.

IMHO awk could be a choice for this one.

Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
milhan
 

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LEARN ABOUT CENTOS

show-installed

show-installed(1)														 show-installed(1)

NAME

       show-installed - show installed RPM packages and descriptions

SYNOPSIS

       show-installed [options]

DESCRIPTION

       show-installed gives a compact description of the packages installed (or given) making use of the comps groups found in the repositories.

OPTIONS

       -h, --help
	      show this help message and exit

       -f FORMAT, --format=FORMAT
	      yum,  kickstart or human; yum gives the result as a yum command line; kickstart the content of a %packages section; "human" readable
	      is default.

       -i INPUT, --input=INPUT
	      File to read the package list from instead of using the rpmdb. - for stdin. The file must contain package names  only  separated	by
	      white space (including newlines). rpm -qa --qf='%{name}
' produces proper output.

       -o OUTPUT, --output=OUTPUT
	      File to write the result to. Stdout is used if option is omitted.

       -q, --quiet
	      Do not show warnings.

       -e, --no-excludes
	      Only show groups that are installed completely. Do not use exclude lines.

       --global-excludes
	      Print exclude lines at the end and not after the groups requiring them.

       --global-addons
	      Print package names at the end and not after the groups offering them as addon.

       --addons-by-group
	      Also  show  groups  not  selected to sort packages contained by them. Those groups are commented out with a "# " at the begin of the
	      line.

       -m, --allow-mandatories
	      Check if just installing the mandatory packages gives better results. Uses "." to mark those groups.

       -a, --allow-all
	      Check if installing all packages in the groups gives better results. Uses "*" to mark those groups.

       --ignore-missing
	      Ignore packages missing in the repos.

       --ignore-missing-excludes
	      Do not produce exclude lines for packages not in the repository.

Florian Festi							  21 October 2010						 show-installed(1)
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