I'm not able to reproduce this. On revisiting it, I thought there might be some difference in how mawk allocates memory based on the two types of command-line. However I'm able to process a file with 250 million lines using the same command-line format. So it's either a data dependency or something that was fixed.
(mawk is twice as fast as gawk for my simple test) -- Thomas E. Dickey <[email protected]> http://invisible-island.net ftp://invisible-island.net
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