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Thanks to all for replying. All replies were great.It is so simple to deal with problem.

Just an additional thing , I want to know how can we disable actual rm command of UNIX system so that...

Hi All ,

We usually tend to use rm -f or rm -rf commands to delete files and directories in UNIX based Systems. But despite of utter care while deletion, there is high possibility that some of...

Thanks a lot alister. This works like charm :)

Hi All,

I have a requirement wherein I need to test if a line in file succeeding "IF" statement has "{" .If the line succeeding "IF" statement does not have "{" , then I need to insert the "{"....

Thanks Scrutinizer and alister. Quite helpful replies :)

Hi All,

I am facing a problem while taking input from user in Shell Script. Basically , I want to read a file line by line. And I want to remove certain lines of that file.But before removing...

Hi All ,

Given a file , I need to delete , modify and insert lines matching certain patterns in that file using shell scripting.

e.g. If a file FILE1 has following content :

CUST.ABC.DEF...

Thanks a lot steadyonabix. :) Your code is working perfectly fine.

Yes steadyonabix. I need to show the matching string once only, whatever may be the number of times a matching string is repeated.

Thanks for the reply.

Unfortunately , egrep and grep both are not supporting "-o" option on the unix flavor I am working upon.Any other solution or approach ?

Hi All ,

I need to extract the strings that are matching with the pattern : CUST.<AnyStringOfAnyLength>.<AnyStringOfAnyLength> from a file and then write all these string into another file.
...

Hi All ,

I have different strings (SQL queries infact) of different lengths such as:

1. "SELECT XYZ FROM ABC WHERE ABC.DEF='123' "
2. "DELETE FROM ABC WHERE...