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Thanks for the reply, What you were saying is within a same file. But I need incremental value in different files. we have a string which repeats in each and every record. So we have to write a script in ksh which finds that string on each line and replaces it with a new string(incremental value) fo...

How to replace a string in diff. files with incremental values. For example-

In 1st file I need '1'
In 2nd file I need '2'
In 3rd file I need '3'.. so on

Please help

Can anyone please tell me what is the Regular expression to insert 'file name' in middle of the file.

for example : I want to replace the wold 'pad' at 7th line with file name.