grcat: add grcat command for gawk library routines - #62
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Can we avoid unsafe libc using nix or rustix? |
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From my end, same comments as in the other PR.
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Annotate elided lifetimes on prop-test helpers so clippy -D warnings passes under the current toolchain.
Add the grcat helper used by gawk library routines such as group.awk. Print /etc/group-format lines from getgrent/endgrent, return ExitCode from main, and treat BrokenPipe as success. libc is needed because rustix/nix do not expose the group-database iterators. Closes uutils#60
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Add a Rust implementation of grcat, the helper binary shipped by GNU awk under lib/awk/. It dumps the group database in /etc/group format via POSIX getgrent()/endgrent(), matching the program described in the GNU Awk User's Guide and used by gawk library routines such as group.awk.
Closes #60