uutils/coreutils

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Cross-platform Rust rewrite of the GNU coreutils

Stars: 24.1k
Forks: 2k
Open beginner issues: 66
Indexed issues: 760
Avg merge: 1d 5h
Merged PRs (30d): 365

Dominant language: Rust
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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756 open issues indexed

bug(vdir): when using -R with a large nested file it leads to a no human readable error messages reported after the traversal failed Open

U - vdir

Difficulty 3/5 1-2 days Newbie friendliness 56/100

uutils/coreutils#12827 · Opened Jun 13, 2026
bug(dir): when using -R with a large nested file it leads to a no human readable error messages reported after the traversal failed Open

U - dir

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12826 · Opened Jun 13, 2026
bug(ls): when using -R with a large nested file it leads to a no human readable error messages reported after the traversal failed Open

U - ls

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12818 · Opened Jun 12, 2026
bug(rm): removing a long dir with rm cause reporting incorrect errors Open

U - rm

Difficulty 3/5 1-2 days Newbie friendliness 52/100

uutils/coreutils#12817 · 1 comment · Opened Jun 12, 2026
bug(kill): when using -l with $'\xFF' no errors reported Open

U - kill

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

uutils/coreutils#12816 · Opened Jun 12, 2026
bug(kill): using $'\xFF' as the signal, it treated as empty argument Open

U - kill

Difficulty 3/5 1-2 days Newbie friendliness 52/100

uutils/coreutils#12807 · Opened Jun 12, 2026
bug(fold): when passing $'\xFF' it reports incorrect error messages Open

U - fold

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12806 · 3 comments · Opened Jun 12, 2026
minorbug(env): when using $'\xFF' with -S or without it, an unknown error reported Open

U - env

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12805 · 1 comment · Opened Jun 12, 2026
bug(realpath): when using $'\xFF' no errors reported at all Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12800 · 2 comments · Opened Jun 12, 2026
bug(basenc): when appending a/ to a regular file regardless of the encoding, reports wrong error messages Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12799 · Opened Jun 12, 2026
bug(dircolors): ignores error handling for special file /proc/self/mem Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12797 · Opened Jun 12, 2026
bug(od): when $'\xff' the tools hangs while the gnu one rejects it with an error Open

U - od

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12794 · 1 comment · Opened Jun 11, 2026
gnucompability(chgrp): using `:1000` as a group will get accepted by uutils one but will be rejected by gnu one Open

U - chgrp

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12792 · Opened Jun 11, 2026
bug(mv): when moving /dev/full to full the uutils one just hangs while gnu one reports an error Open

U - mv

Difficulty 3/5 1-2 days Newbie friendliness 48/100

uutils/coreutils#12791 · Opened Jun 11, 2026
bug(ptx): when -W is an invalid regex, the uutils one not report error but the gnu one does Open

U - ptx

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12790 · Opened Jun 11, 2026
bug(ptx): panics when -g is a large number Open

U - ptx

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

uutils/coreutils#12787 · Opened Jun 11, 2026
bug(more): when adding a / to a regular file both reports incorrect error messages Open

U - more

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12786 · Opened Jun 11, 2026
minorbug(env): when using a/ with -S or without it, an unknown error reported Open

U - env

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12778 · Opened Jun 11, 2026
bug(df): when using a/ reports incorrect error messages Open

U - df

Difficulty 2/5 1-3 hours Newbie friendliness 67/100

uutils/coreutils#12777 · Opened Jun 11, 2026
bug(sync): sync ignores errors handling when the file is /proc/self/mem and /dev/full Open

U - sync

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12776 · Opened Jun 11, 2026
`sudo date 06110816` fails Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12774 · 2 comments · Opened Jun 11, 2026
du panic (`into_string().unwrap`) on a non-UTF-8 filename in the dereferencing traversal Open

U - du

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

uutils/coreutils#12769 · Opened Jun 11, 2026
csplit: --suffix-format with a huge field width panics (Result::unwrap on a formatter error) Open

U - csplit

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

uutils/coreutils#12763 · 5 comments · 1 reaction · Opened Jun 11, 2026
chown USER: does not change group to user's login group Open

U - chown

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12751 · 1 comment · 2 reactions · Opened Jun 10, 2026
Windows glob expansion via wild does not preserve input path separator style Open

P - Windows U - ls

Difficulty 5/5 Over a week Newbie friendliness 25/100

uutils/coreutils#12742 · 6 comments · 1 reaction · Opened Jun 9, 2026
MS coreutils: cp --reflink=always file1 file1_reflink1 returns "Not supported" Open

P - Windows U - cp

Difficulty 4/5 3-5 days Newbie friendliness 38/100

uutils/coreutils#12720 · 2 comments · Opened Jun 8, 2026
install: ancestor directories respect process umask instead of using fixed 0755 (diverges from GNU) Open

U - install

Difficulty 3/5 1-2 days Newbie friendliness 76/100

uutils/coreutils#12714 · Opened Jun 8, 2026
Directory creation mode handling silently drops setuid/setgid bits Open

U - mkdir

Difficulty 3/5 1-2 days Newbie friendliness 76/100

uutils/coreutils#12709 · 4 comments · Opened Jun 7, 2026
printf/seq still panic on large float precision and field width after #12572 integer-precision fix Open

U - printf U - seq

Difficulty 4/5 3-5 days Newbie friendliness 48/100

uutils/coreutils#12708 · 1 comment · Opened Jun 7, 2026
FR: usage integration Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

uutils/coreutils#12683 · 1 comment · Opened Jun 7, 2026
TIME_STYLE format is implemented backwards Open

U - ls

Difficulty 3/5 1-2 days Newbie friendliness 62/100

uutils/coreutils#12676 · 1 comment · Opened Jun 7, 2026
bug: uutils pinky show no output Open

U - pinky

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12674 · 8 comments · Opened Jun 6, 2026
bug(date): -f with /proc/self/mem errors are ignored Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12672 · Opened Jun 6, 2026
Add chown (set user, set user:group) and chgrp (set group) commands Open

P - Windows U - chgrp U - chown

Difficulty 4/5 3-5 days Newbie friendliness 52/100

uutils/coreutils#12660 · 3 comments · Opened Jun 6, 2026
cp: --sparse=always hangs if the source is truncated mid-copy Open

U - cp

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

uutils/coreutils#12648 · Opened Jun 5, 2026
cp: --sparse=always panics on 32-bit when the source is larger than 4 GiB Open

U - cp

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

uutils/coreutils#12647 · Opened Jun 5, 2026
od: --skip-bytes is missing seek optimization Open

U - od

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12604 · Opened Jun 4, 2026
bug: stat panics with --printf Open

U - stat

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12594 · 1 comment · Opened Jun 4, 2026
bug: printf panic again with '%d' & '%f' second time Open

U - printf

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12592 · Opened Jun 4, 2026
bug: printf panic same as fixed for %d but %f not Open

U - printf

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

uutils/coreutils#12591 · Opened Jun 4, 2026
numfmt panics (index out of bounds) on a very large `--to=si`/`--to=iec` value Open

U - numfmt

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

uutils/coreutils#12581 · Opened Jun 4, 2026
paste on Windows Open

P - Windows U - paste

Difficulty 3/5 1-2 days Newbie friendliness 48/100

uutils/coreutils#12575 · 1 comment · Opened Jun 3, 2026
bug: seq panic formatting argument out of range Open

U - seq

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12573 · 3 comments · Opened Jun 3, 2026
dd iflag=nocache should silently ignore fadvise's error in some cases Open

U - dd

Difficulty 3/5 1-2 days Newbie friendliness 52/100

uutils/coreutils#12571 · 1 comment · Opened Jun 3, 2026
numfmt aborts/panics on a large `--padding` (unbounded allocation) Open

U - numfmt

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12560 · 1 comment · Opened Jun 2, 2026
devcontainer.yml is useless Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

uutils/coreutils#12538 · 4 comments · Opened May 31, 2026
different output between uutils and GNU in uname Open

U - uname

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12536 · 1 comment · Opened May 31, 2026
regression: sha3 utilities do not work Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

uutils/coreutils#12518 · 9 comments · Opened May 29, 2026
csplit: panic on overflow in `{N}` repetition count and `/regex/OFF` offset Open

U - csplit

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

uutils/coreutils#12495 · 1 comment · Opened May 28, 2026
cp /dev/stdin /dev/stdout <file lacks splice optimization (and socket, tty?) Open

U - cp

Difficulty 4/5 3-5 days Newbie friendliness 48/100

uutils/coreutils#12484 · Opened May 26, 2026

uutils/coreutils

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