uutils / uutils/coreutils

head /proc/self/mem shows wrong message

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U - head
Dominant language
Rust
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Description

$ gnu9.11/head /proc/self/mem
head: error reading '/proc/self/mem': Input/output error
$ head /proc/self/mem
head: error writing 'standard output': Input/output error

Because of not catching read error at proper place?
related: https://github.com/uutils/coreutils/issues/12215 https://github.com/uutils/coreutils/issues/11972

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First steps

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  4. Open a pull request that references the issue number.

Research direction

Start with the Rust implementation of the head command and reproduce the two /proc/self/mem cases shown in the issue. Compare the read-error and standard-output error paths, then verify that the reported message matches the failing operation without changing the behavior for other input files.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
cli
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
55/100

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