in reply to join on 6 huge files

Have 6 handles open and simulate peeking at the next line for each filehandle. You have to make sure that you don't attempt to read from a handle that's finished, but that's easy. I wrote one of these in less than 4 hours, with testing.

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We are the carpenters and bricklayers of the Information Age.

Then there are Damian modules.... *sigh* ... that's not about being less-lazy -- that's about being on some really good drugs -- you know, there is no spoon. - flyingmoose

I shouldn't have to say this, but any code, unless otherwise stated, is untested

In Section Seekers of Perl Wisdom