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Re^2: Efficient way to sum columns in a file

by sk (Curate)
on Apr 13, 2005 at 18:12 UTC ( #447544=note: print w/replies, xml ) Need Help??

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  1. or download this
    [sk]% time cut -d, -f"1-15" numbers.csv > out.csv
    5.670u 0.340s 0:06.27 95.8% 
    
  2. or download this
    [sk]% time perl -lanF, -e 'print join ",", @F[0..14];' numbers.csv > o
    +ut.csv
    31.950u 0.200s 0:32.26 99.6%
    

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[stevieb]: Then throw in changes to Windows that throws everything you trusted right out the window.
[shmem]: that's why it is called "Windows"
[stevieb]: shmem thanks for the 'insight' :P
[shmem]: good thing that Sun already took "OpenWindows", otherwise I'd not stop to shudder imagining an "OpenWindows" from MS
[shmem]: more garbage in, more garbage out that would be
[stevieb]: I found that win10 broke a C# library I was using for one project while enhancing tests for a Perl dist, which breaks other Perl dists, and I'm about to throw my hands up on berrybrew. win2k12 broke one thing, win10 breaks something...
[stevieb]: ...unrelated which requires replacing a lot of code and a whole lib. I'm about to go nix only ffs
[shmem]: stevieb: what you're doing sounds afwully complex. Too much for me this evening to provide brighter insight ;-)
[stevieb]: I don't even own a Windows computer. Both my girl and I have a laptop each with Linux. I'm supporting Windows in some of my projects and I can't even guage whether it's worth it or not.

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