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Full Discussion: grep files without header and move to new dir
Top Forums Shell Programming and Scripting grep files without header and move to new dir Post 302221434 by era on Monday 4th of August 2008 12:59:30 PM
Old 08-04-2008
You can avoid the Useless Use of ls and avoid reading the rest of each file with awk; all the above script really does is examine the first line, and print the text before any "|" (or the whole line otherwise). Assuming that logic as such is good, the following script is slightly simpler.

Code:
for filen in file*
do
  if awk '/^HDR|/ { exit 0 } { exit 1}' "$filen"
  then
    mv "$filen" nohead
  fi
done

 

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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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