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Full Discussion: shell script - unexpected result
Top Forums Shell Programming and Scripting shell script - unexpected result Post 302549055 by rajashekar.y on Sunday 21st of August 2011 03:50:44 AM
Old 08-21-2011
shell script - unexpected result
I hv a file --am executing a script which is giving me unexpected results


COntents of file:

f1
Code:
CMT_AP1_CONT:/opt/sybase/syboc125:150:ASE12_5::Y:UX:
CMT_AP1:/opt/sybase/syboc125:150:ASE12_5::Y:UX

f1.tmp
Code:
CMT_AP1_CONT:/opt/sybase/syboc125:150:ASE12_5::Y:UX:
CAT_AP1:/opt/sybase/syboc125:150:ASE12_5::Y:UX

Difference is at 2nd line "CMT" and "CAT"

Script#1
Code:
for i in `grep AP1 f1 |awk -F: '{print $1}'`
do
  DSQUERY=$i
  A15F=`grep AP1  f1| grep ${DSQUERY} | awk -F: '{print $3}'`
  echo "$A15F ----- $i"
  if [ "$A15F" = "150" ]; then
    echo $i
  else
   echo "Version 12.5",$i
  fi
done

ouput:
Code:
150 ----- CMT_AP1_CONT
CMT_AP1_CONT
150
150 ----- CMT_AP1
Version 12.5,CMT_AP1

Script#2:
Code:
for i in `grep AP1 f1 |awk -F: '{print $1}'`
do
  DSQUERY=$i
  A15F=`grep AP1  f1| grep ${DSQUERY} | awk -F: '{print $3}'`
  echo "$A15F ----- $i"
  if [ "$A15F" = "150" ]; then
    echo $i
  else
    echo "Version 12.5",$i
  fi
done

Output 2:
Code:
150 ----- CMT_AP1_CONT
CMT_AP1_CONT
150 ----- CAT_AP1
CAT_AP1

++++++expected behaviour is 2 why script #1 is not working in a desired way..Pls hlelp me..Thanks
Last edited by Scott; 08-21-2011 at 06:03 AM.. Reason: Please use code tags...
 

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LEARN ABOUT PHP

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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