Help with editing file - Shell Programming and Scripting

dsravan · #1 (**permalink**) 01-31-2007

I have a file of 100000 records. This file is created by concatenation of two files. I want to edit this file from record number 80,000 till the end and add "|N" for each record . How can I acheive this. Please suggest

anbu23 · #2 (**permalink**) 01-31-2007

Use this command in vi

Code:

80000,$ s/$/|N/

dsravan · #3 (**permalink**) 01-31-2007

If the file is too large I am getting error as temp file too large. In this case what should I do?

aigles · #4 (**permalink**) 01-31-2007

find a filesystem with free space (/fs for example) to use for temp file and modify the file with sed:

Code:

sed '80000,$ s/$/|N/' infile > /fs/temp
mv /fs/temp outfile

Jean-Pierre.

aigles · #5 (**permalink**) 01-31-2007

Another solution :

Code:

sed ''80000,$ s/$/|N/' inputfile1 inputfile2 > resultfile

Jean-Pierre.

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