Dirk Laurie on Wed, 15 Oct 2003 12:10:17 +0200

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Re: write in a file

Markus Endres skryf:
> the unix shell command 'sed' works fine with the parigp command
> 'extern'.
> so you can do something like this in gp
> getline(n) =
> {
> return(extern("sed -n "n"p file"));
> }
> where n is the number of the line you want to read from the file 'file'.
> now you have only to write a for-loop which runs from the first line you
> want to the last one. ok, you must know the number of lines in the file,
> but if you wrote the file with 'write()', thats easy.
I can use this one.  Very clever!