What about using nice and running it at a higher priority? On 10/25/07, Shane Hathaway <[EMAIL PROTECTED]> wrote: > 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. > */ >
/* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
