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liberodark opened this issue Dec 8, 2023 · 3 comments · Fixed by #5640
Closed

tr: no output for some inputs #5627

liberodark opened this issue Dec 8, 2023 · 3 comments · Fixed by #5640
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U - tr

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@liberodark
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liberodark commented Dec 8, 2023 •
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Hi,

when using uutils cannot run this command :

head /dev/urandom | tr -dc A-Za-z0-9

I think is probably tr issue.
But work on GNU Core Utils 9.3

head /dev/urandom | tr -dc A-Za-z0-9
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

Best Regards
@cakebaker
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Yes, it seems to be related to tr.

cargo run head /dev/urandom | tr -dc A-Za-z0-9 works fine, whereas head /dev/urandom | cargo run tr -dc A-Za-z0-9 doesn't output anything.

@cakebaker
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A simplified example to reproduce the issue is:

$ printf "\200abc" | tr -dc A-Za-z0-9
abc
$ printf "\200abc" | cargo run tr -dc A-Za-z0-9
// no output

@cakebaker cakebaker changed the title Antropy issue tr: no output for some inputs Dec 9, 2023
@tertsdiepraam
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Oof, this is because of invalid UTF-8. I think this means that tr needs to be refactored to work entirely on bytes instead of chars. I'll give it a try.

@tertsdiepraam tertsdiepraam mentioned this issue Dec 11, 2023
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tr: operate on bytes instead of chars tertsdiepraam/coreutils
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@cakebaker @liberodark @tertsdiepraam