8000 tr: GNU refuses sensible longer-than-class input, should we refuse it, too? · Issue #6460 · uutils/coreutils · GitHub
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tr: GNU refuses sensible longer-than-class input, should we refuse it, too? #6460

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BenWiederhake opened this issue Jun 10, 2024 · 1 comment
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tr: GNU refuses sensible longer-than-class input, should we refuse it, too? #6460

BenWiederhake opened this issue Jun 10, 2024 · 1 comment
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@BenWiederhake
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BenWiederhake commented Jun 10, 2024 •
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$ true | cargo run -q tr '[:lower:]a' '[:upper:]'
$ true | tr '[:lower:]a' '[:upper:]'
tr: when translating with string1 longer than string2,
the latter string must not end with a character class
[$? = 1]
$ true | tr -t '[:lower:]a' '[:upper:]'

I see two options:

  • Either we claim this is an extension of tr, in that case we should document it on https://uutils.github.io/coreutils/docs/extensions.html
  • Or this is a bug (because it's a difference in behavior to GNU), then we should fix that. Make sure you catch that weird case where truncating removes the warning again!

Found while reading #6445, even though it wasn't introduced there.
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cvonelm commented Jun 30, 2024

a46e4fd decided this in favor of sticking with GNU

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