Inserting a String in a file header.

Hari123 · #1 (**permalink**) 05-14-2008

Dear all,

I have a file created in the name sample.txt in UNIX with header and footer. How to insert a required string (for example "FILE1") in the header part after the file has been created. What kind of command can i use to do the same.

Thanks in advance
Hari

danmero · #2 (**permalink**) 05-14-2008

man sed

Code:

sed '1 s/$/FILE1\n/' file

Hari123 · #3 (**permalink**) 05-14-2008

Can we include spaces in that sed command??

Thanks
hari

era · #4 (**permalink**) 05-14-2008

Try it, and be amazed.

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