/usr/share/bash-completion/completions/rev is in util-linux 2.25.2-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | _rev_module()
{
local cur prev OPTS
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-h'|'--help'|'-V'|'--version')
return 0
;;
esac
case $cur in
-*)
OPTS="--version --help"
COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
return 0
;;
esac
local IFS=$'\n'
compopt -o filenames
COMPREPLY=( $(compgen -f -- $cur) )
return 0
}
complete -F _rev_module rev
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