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#compdef compress uncompress
local expl state line bits common_args1 common_args2 decompress
typeset -A opt_args
bits=( {9..16} )
common_args1=( \
'-n[omit compressed file header from compressed file]' \
'-V[display current version and compile options]' \
'*:files:->files')
common_args2=( \
'-c[write on standard output]' \
'(-F)-f[force overwrite]' \
'(-f)-F[force overwrite]' \
'(-v)-q[suppress display of compression statistics]' \
'(-q)-v[display compression statistics]' \
"${common_args1[@]}" )
case "${words[1]:t}" in
compress)
_arguments -s \
"-b[specify maximum number of bits used to replace common substring]:bits:(${bits[*]})" \
'-C[produce output compatible with BSD 2.0]' \
'(-b -C)-d[decompress]' \
"${common_args2[@]}"
;;
uncompress)
_arguments -s "${common_args2[@]}"
decompress=yes
;;
zcat)
_arguments -s "${common_args1[@]}"
decompress=yes
;;
esac
if [[ "$state" = files ]]; then
if [[ -z "$decompress" ]] || (( $+opt_args[-d] )); then
_description files expl 'file to compress'
_files "$expl[@]" -g '*~*.Z'
else
_description files expl 'compressed file'
_files "$expl[@]" -g '*.Z'
fi
fi
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