how to insert row in first line of text file ?

Posted by Gold on Stack Overflow See other posts from Stack Overflow or by Gold
Published on 2010-03-08T13:22:02Z Indexed on 2010/03/08 13:51 UTC
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hi

i have test file that contain

1,2,3

2,3,4

5,6,7

i need to insert in the first line this: A,B,C

it will be like this:

A,B,C

1,2,3

2,3,4

5,6,7

how i can do it ?

thank's in advance

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