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Re^7: perllocale weirdness, bug, or...?

by choroba (Canon)
on Oct 22, 2010 at 11:21 UTC ( #866787=note: print w/ replies, xml ) Need Help??

in reply to Re^6: perllocale weirdness, bug, or...?
in thread perllocale weirdness, bug, or...?

You should use sort -k1,1 to make sort ignore the rest of the line.

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Re^8: perllocale weirdness, bug, or...?
by Krambambuli (Deacon) on Oct 22, 2010 at 12:20 UTC
    Thanks for the tip - I really hoped it might solve the issue, but unfortunately it does not.

    For the file test.txt (TAB separated fields) being
    a_2 2 a2 1
    I still get
    $ sort -k 1,1 test.txt | cut -f 1 a2 a_2
    whereas when there is no second field then the result is reversed,
    a_2 a2
    Looks like the problem 'survives'.
      Looks like two level sort: on the first level, it ignores the _, but if the strings are different only thanks to the underscore, it is used in the second level.
      $ echo $'a_2\t2\na2\t1' | sort -k1 a2 1 a_2 2 $ echo $'a_2\t2\na2\t1' | sort -k1,1 a2 1 a_2 2 $ echo $'a2\t2\na_2\t1' | sort -k1,1 a2 2 a_2 1 $ echo $'a2\t2\na_2\t1' | sort -k1 a_2 1 a2 2

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