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Full Discussion: UNIX Shell Scripting (Solaris) for File Checking
Top Forums Shell Programming and Scripting UNIX Shell Scripting (Solaris) for File Checking Post 302974690 by MadeInGermany on Thursday 2nd of June 2016 07:32:32 AM
Old 06-02-2016
Don, grep -q ... is not portable, and if ! does not work in a Bourne shell.
Instead one needs grep ... >/dev/null,
and one of the following workarounds
Code:
grep ...
if [ $? -ne 0 ]
then
  echo "not matched"
fi

or
Code:
if grep ...
then
  :
else
  echo "not matched"
fi

or
Code:
grep ... || {
  echo "not matched"
}

The following is a modification of my post #7, and greps the words in the file data.
Code:
basedir=/home
log=$basedir/dummyevents.log

for word in banana apple orange
do
  dir=$basedir/$word
  badfile=0
  
  for fname in $dir/*
  do
    if [ -f "$fname" ]
    then
      grep -w "$word" "$fname" >/dev/null
      if [ $? -ne 0 ]
      then
        echo "No '$word' in '$fname'"
        # We redirect the standard output of the whole loop
        badfile=1
      end
    fi
  done >> $log
  
  if [ $badfile -eq 1 ]
  then
    echo "Invalid file in $dir, see $log"
  fi
done

This User Gave Thanks to MadeInGermany For This Post:
daveaztig14
 

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LEARN ABOUT X11R4

zgrep

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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