Unix script for performing repetitive jobs

December 28, 2009



>>Script Language and Platform: Oracle
Unix script/ Awk command for performing repetitive jobs, like creating directories from u01 u99 on an unix server.

As a DBA, many a time, I have to loop through a set of numbers for creating directories, sub directories and temporary files on unix servers.

The following shell script executes a while loop for performing the required job. (Tested the scripts on cygwin console. Pls edit your shell script, base on your unix environment)

Author: JP Vijaykumar


#!c:/cygdrive/vygwin/bin/sh
###############################
#Author JP Vijaykumar
# Oracle DBA
#Date 09-08-06
###############################
NUM=10;
while [ $NUM -lt 20 ]
do
touch temp_$NUM.dat
NUM=`expr $NUM + 1`
done
exit

----------------------------------------------------------------------------------------

This one line awk script does what the earlier shell script handles (The power of awk)
$ awk 'BEGIN {for (i=10;i<20;i++) {print "touch temp_"i".dat"} exit}'|sh
          submitted by: JP Vijaykumar Hits : 0 :: Rating: 0 :: Votes: 0 


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