Need help in a small script - Shell Programming and Scripting

super_duper_guy · #1 (**permalink**) 10-24-2005

Hi all,

I have a file of the following format -

EXPRPT:SCN:1.1706E+10:SEQ_START:121652:SEQ_END:121664:0
( This file name is variable and changes daily)

Now in the same directory I have another set of files of the format -

EXPRPT.log.0001.0000121669

Now what I am trying to do is to

1. Parse the first file name and Get the number 121652 from the first file and then DELETE all the files of type EXPRPT.log.* where 6-7 digits of EXPRPT.log.* are lesser than number extracted from first file.

For example -

Let us say the following files are there -

EXPRPT.log.0001.0000121649
EXPRPT.log.0001.0000121651
EXPRPT.log.0001.0000121669
EXPRPT.log.0001.0000121670

Then only following files should be deleted as number 121652 is higher than numbers in these files.

EXPRPT.log.0001.0000121649
EXPRPT.log.0001.0000121651

Thanks for all your help.
Regards

Unbeliever · #2 (**permalink**) 10-24-2005

You should be able to modify the below code to suit your specific purposes

Code:

FILE="EXPRPT:SCN:1.1706E+10:SEQ_START:121652:SEQ_END:121664:0"

NUM=`echo $FILE | cut -d':' -f 5`

for file in `ls EXPRPT*`
do
  NUM2=`echo $file | cut -d'.' -f 4`
  if [ $NUM2 -lt $NUM ]
  then
    echo Removing $file
    rm -f $file
  fi
done

super_duper_guy · #3 (**permalink**) 10-24-2005

Thanks a lot.

Tested it in one scenario. Works fantastically.

Regards

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