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fold: Using -b option crashes #7606

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karlmcdowall opened this issue Mar 29, 2025 · 0 comments · May be fixed by #7608
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fold: Using -b option crashes #7606

karlmcdowall opened this issue Mar 29, 2025 · 0 comments · May be fixed by #7608
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@karlmcdowall
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Running fold with the -b option crashes. It's quite easy to reproduce with any reasonably large file, E.g.

$ wget -O shakespeare.txt https://www.gutenberg.org/files/100/100-0.txt
$ ./target/release/fold -b ./shakespeare.txt
...
...
byte index 80 is not a char boundary; it is inside '”' (bytes 78..81) of `then—“Neighbour Quickly,” says he, “receive those that are civil, for,”
`
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

I'm planning to take a look at this issue.
@karlmcdowall karlmcdowall changed the title fold: Using -b fold: Using -b option crashes Mar 29, 2025
@cerdelen cerdelen linked a pull request Mar 29, 2025 that will close this issue
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Fixes error for fold -b if line split splits a char cerdelen/coreutils
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@cakebaker @karlmcdowall