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|
emulate -L zsh
setopt extendedglob
zmodload -i zsh/datetime
local optm datefmt opt
integer optr replyset
zstyle -s ':datetime:calendar_showdate:' date-format datefmt ||
datefmt="%a %b %d %H:%M:%S %Z %Y"
# Memo to myself: both + and - are documented as giving relative
# times, so it's not a good idea to rewrite this to use getopts.
# We need to detect the small number of options this can actually
# handle.
while [[ $1 = -r || $1 = -- || $1 = -f* ]]; do
case $1 in
(-r)
shift
REPLY=0
optr=1
;;
(-f*)
if [[ $1 = -f?* ]]; then
datefmt=$1[3,-1]
shift
else
shift
if [[ -z $1 || $1 != *%* ]]; then
print "$0: -f requires a date/time specification" >&2
return 1
fi
datefmt=$1
shift
fi
;;
(--)
shift
break
;;
esac
done
(( optr )) || local REPLY
if (( ! $# )); then
print "Usage: $0 datespec [ ... ]" >&2
return 1
fi
while (( $# )); do
optm=
if [[ $1 = [-+]* ]]; then
# relative
[[ $1 = -* ]] && optm=-m
1=${1[2,-1]}
# if this is the first argument, use current time
# don't make assumptions about type of reply in case global
if (( ! replyset )); then
REPLY=$EPOCHSECONDS
replyset=1
fi
fi
if (( replyset )); then
calendar_scandate $optm -R $REPLY -aA $1 || return 1
replyset=1
else
calendar_scandate -aA $1 || return 1
fi
shift
done
(( optr )) && return
strftime $datefmt $REPLY
|
