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| | #compdef date gdate
local -a args
if _pick_variant gnu="Free Software Foundation" unix --version; then
args=(
'-d[output specified date]:time string'
'-f[output dates specified in file]:file:_files'
'-I-[iso-8601]:precision:(date hours minutes seconds)'
'-r[reference]:file:_files'
'-R[RFC2822 format]'
'-s[set]:time string'
'--rfc-3339=-[output date and time in RFC 3339 format]:output type:(date seconds ns)'
--
'*=FILE*:file:_files'
'*=DATEFILE*:date file:_files'
)
else
case "$OSTYPE" in
solaris*)
args=( '-a:adjustment' )
;;
freebsd*|darwin*|dragonfly*|netbsd*|openbsd*)
args=(
'-n[only set time on current machine]'
'-d:daylight saving time value'
'-j[do not try to set date]'
'-r:seconds since epoch'
'-t:minutes west of GMT'
)
;|
freebsd*) args+=( '-R[RFC2822 format]' ) ;|
freebsd*|dragonfly*|darwin*)
args+=( '-f:parsing format' '-v:adjustment value' )
;;
openbsd*)
args+=( '-z[specify timezone for output]:time zone:_time_zone')
;|
openbsd*|netbsd*) args=( '-a[gradually skew]' ) ;;
esac
fi
_arguments \
'-u[display or set time in UTC]' \
': :_guard "^--*" "format or date"' \
"$args[@]"
|