reading a line of a file at a time

[sfullman]

Ihave a 1 GIGA byte file, and I want to get emails found on each line. The regular expressions part is easy.

Using $string= implode('',file('bigfile')) is impractical -- it would put a gig in memory before anything else.

I know how to use $fp=fopen('bigfile', 'r'), but all I've ever used to read the file is fgetcsv(), though I suppose I could use that if I wanted and just implode it (hey, an answer to get this done!)

But is there a more elegant way to read lines until the file is completed?

Mucho Thanks,
Sam

[devinemke]

Originally posted by sfullman
But is there a more elegant way...

yes, the more elegant way is called using a database.

[bubblenut]

[man]fgets[/man] reads to the end of the line. 1024 bytes is usually enough but if you expect your lines to be longer than that you can add the second parameter with something bigger.

[sfullman]

Sorry, devinemke, the /var/spool/mail file wasn't in a database, so I had to just be semi-elegant.

But I do thank bubblenut who actually answered my question. I usually assume posts with 1 reply got helpful answers, but bubblenut you didn't so double-thanks.

I'm not sure /var/spool/mail will ever be in a database.

Sam