Hi all,

I have a text file that has been created from a very old FoxPro database file that I have to format ready for transfer to a mainframe file. The text file holds nearly 1 million records (1 line per record).

I am processing the file using code similar to the following:- 
open (INPUT, $input) || die "Cannot open input file: $!\n";
while ($line = <INPUT>) {
  # format the record and write to a new file
}
close INPUT || die "Cannot close input file: $!\n";

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Due to the number of records this will take a while. I've thought about writing the file to an array and processing from there - but I run out of memory.

Does anybody have any ideas of how to speed this up a bit?

elbow

In reply to Formatting a large number of records by elbow

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