Jon Gale wrote: > [EMAIL PROTECTED] root]# time sed -i -e '1,4d' test.txt > > real 1m13.596s > user 0m18.020s > sys 0m52.930s > > test2.txt is only 100 lines. test.txt is 10,000,000 lines. > > Is there a better way to do this that won't necessitate scanning the entire > file just to remove the first x number of lines?
The majority of that time is spent in I/O, not computation. The best way to accomplish this would be to write the output to a different hard drive with similar specs, enabling you to use the combined throughput of both drives. Shane /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
