selective replacing text using sed/perl

Shell Programming and Scripting
1

Hi,

I have the following text which I want to search and replace using perl and sed. I would appreciate any help.
Please notice the file contains schema name with a single dot and a double dot . &&WEBDIR_SCHEMA. and &&WEBDIR_SCHEMA .. }

I would like to change it to the acutal schema name.tablename
The schema name in this case will be DSP

Before

SELECT COUNT(*) INTO CTR FROM &&WEBDIR_SCHEMA.SYSPROP WHERE DOMAIN = 'test' AND PNAME = 'svcURL';

SELECT COUNT(*) INTO CTR FROM &&WEBDIR_SCHEMA..SYSPROP
WHERE DOMAIN = 'test' AND PNAME = 'MaxConnectionsHost';

After
SELECT COUNT(*) INTO CTR FROM DSP.SYSPROP WHERE DOMAIN = 'test' AND PNAME = 'svcURL';

SELECT COUNT(*) INTO CTR FROM DSP.SYSPROP
WHERE DOMAIN = 'test' AND PNAME = 'MaxConnectionsHost';

Thanks,

2

In sed.,

sed 's/&&WEBDIR_SCHEMA\.\{1,2\}/DSP./' FILENAME

In Perl.,

perl -e 'while(<>){ s/&&WEBDIR_SCHEMA\.{1,2}/DSP./;print }' FILENAME
3

How can do in the following way ?

#!/bin/bash
USER=DSP
for line in `ls test_001.sql`
do
perl -pi -e 's/&&WEBDIR_SCHEMA\.{1,2}/${USER}./g' ${line}
done

---------- Post updated at 10:27 AM ---------- Previous update was at 07:39 AM ----------

Thank-you Geek, I figured out a way to use your suggestion and modify it necessary to my needs.
Thanks for jumpstarting me ! I really appreciate.

4

I am very eager to know,

  1. What is the solution you found ( you wanted ) ?
  2. What modifications.. and the path in learning ( what ever possible to explain ).
5

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Thank You.

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@jville please edit your posts and add code tags.

Thanks,

6

done ! thanks.

---------- Post updated at 06:45 AM ---------- Previous update was at 06:34 AM ----------

Geek ,
Please notice the single quotes in the sed commad for ${USER}

I took the liberty to change the perl command you had provided.

perl -e 'while(<>){ s/&&WEBDIR_SCHEMA\.{1,2}/DSP./;print }' FILENAME

#!/bin/bash
USER=DSP
for line in `ls test_001.sql`
do
perl -pi -e 's/&&WEBDIR_SCHEMA\.{1,2}/'${USER}.'/g' ${line}
done