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Pushing carriage return in a file

Comment:

I have a file which has carriage returns at different positions at different lines: 47, 48, 45, etc. I would like to have all of them aligned at position 50. Is there any command or script which can serve the above purpose? eg: pgm oldfile newfile 'newfile' should contain all the carriage returns/line feeds at position 50. Thanks.

Name: nails
Date: March 21, 2006 at 07:10:16 Pacific

Reply:

First, in unix lines are terminated with just a LF - not a CR/LF. There's a number of ways to do this. The printf command will work: #!/bin/ksh while read line do printf "%-50.50s\n" "$line" done < data.file > newdata.file You can also use any programming environment that uses printf such as perl or awk: awk '{ printf("%-50.50s\n", $0) }' data.file > newdata.file

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