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Home/ Questions/Q 6748317
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T12:33:03+00:00 2026-05-26T12:33:03+00:00

uniq (GNU coreutils 8.5) does not seem to distinguish between em- and en-dashes: $

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uniq (GNU coreutils 8.5) does not seem to distinguish between em- and en-dashes:

$ echo -e “a–b\na—b” | uniq -c

  2 a–b

Is there any way to force this distinction? I’ve tried various settings for LC_COLLATE with no luck.

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  1. Editorial Team
    Editorial Team
    2026-05-26T12:33:03+00:00Added an answer on May 26, 2026 at 12:33 pm

    Worked for me

    echo -e "a–b\na—b" | LC_COLLATE=C uniq -c
          1 a–b
          1 a—b
    
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