> I'm writing a perl program that takes input from one file, processes it
> (line by line), and then
> puts in into another text file. I'm trying to figure out how I can
> search the second text file to see
> if a particular part that line (at the beginning of the line) has
> already been put into the file, and if
> it has, don't put it in.
>
> What I'm having trouble on is how to search the output file in perl for
> that text before writing to it.
> -any ideas?
The best way IMHO is to hash the second file. Then you can just do a hash comparison
to check, rather than relatively expensive regex's.
-- * The Digital Hermit http://www.digitalhermit.com * Unix and Linux Solutions kwan@digitalhermit.com ----------------------------------------------------------------------- This list is provided as an unmoderated internet service by Networked Knowledge Systems (NKS). Views and opinions expressed in messages posted are those of the author and do not necessarily reflect the official policy or position of NKS or any of its employees.
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