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Top Forums Shell Programming and Scripting Help require for vLookup Utility same as in EXCEL Post 302751631 by rbatte1 on Friday 4th of January 2013 08:14:34 AM
Old 01-04-2013
From the above examples you could try:-

Code:
#!/bin/ksh
while read f1
do
   f2line=`grep "^${f1}tab" File2.txt`
   f2="${f2line#*tab}"
   echo "${f1}tab${f2}"
done < File1.txt > File3.txt

That might get you started, but the follow-up question is a bit harder.


Robin
Liverpool/Blackburn
UK

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

For the follow up question, consider:-

Code:
#!/bin/ksh
cut -f3 -d "tab" File1.txt | while read f1
do
   f2line=`cut -f6,9 -d "tab" File2.txt|grep "^${f1}tab"
   f2="${f2line#*tab}"
   echo "${f1}tab${f2}"
done > File3.txt


Does that do the job?

These may be a little slow as they are running a while read loop. Perhaps someone can suggest a good awk that will run faster. You will notice the difference with larger files as that may read the files once where my suggestion will re-read File2.txt for every line in File1.txt

Robin

Last edited by rbatte1; 01-04-2013 at 10:10 AM..
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SHUNIT2(1)																SHUNIT2(1)

NAME
shunit2 - A unit test framework for shell scripts SYNOPSIS
shunit2 unitfile DESCRIPTION
shUnit2 is a xUnit unit test framework for Bourne based shell scripts, and it is designed to work in a similar manner to JUnit, PyUnit, etc.. If you have ever had the desire to write a unit test for a shell script, shUnit2 can do the job. You can either run shunit2 directly from the commandline and specify the unit file or directly source the shunit2 executable. If you directly execute shunit2 and don't specify a unitfile shunit2 assumes a empty testfile and will return without an error message. EXAMPLE
Simple script to test if 1 equals 1 #! /bin/sh testEquality() { assertEquals 1 1 } # load shunit2 . shunit2 Execute shUnit2 unit tests directly from the commandline shunit2 /path/to/unit/file OPTIONS
shunit2 does not support any commandline options at all. You can either source shunit2 to execute your unit tests or directly run shunit2 as a commandline script. SEE ALSO
For more information see http://code.google.com/p/shunit2/ or have a look at the installed documentation in /usr/share/doc/shunit2/ AUTHOR
shunit2 was written by Kate Ward <kate.ward@forestent.com>. This manpage was written by Ulrich Dangel <mru@spamt.net>. 2.1.6 03/25/2012 SHUNIT2(1)
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