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Full Discussion: count characters in multiple files and sort
Top Forums Shell Programming and Scripting count characters in multiple files and sort Post 302533785 by joeyg on Friday 24th of June 2011 03:29:47 PM
Old 06-24-2011
Not much time, but perhaps a start...
Code:
$ cat sample1.txt
ABCDEFAB ASK SDFKJDF

$ cat sample1.txt | sed s/./\&~/g | tr "~" "\n" | grep "B" | wc -l
2

This User Gave Thanks to joeyg For This Post:
patdoor
 

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LEARN ABOUT LINUX

zegrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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