Make info file updates atomic.

[utils.git] / planime

#!/bin/sh

cmdline=(mplayer -fs)

while [ "${1:0:1}" = - ]; do
    a="$1"
    shift
    case "$a" in
	-t)
	    cmdline=("${cmdline[@]}" -ao oss:/dev/dsp1)
	    ;;
	-s)
	    savepar="$1"
	    shift
	    saveval="$1"
	    shift
	    ;;
    esac
done

if [ $# -lt 1 ]; then
    echo "usage: planime [QUAL] EPNUM" >&2
    exit 1
fi
if [ $# -eq 1 ]; then
    ep="$1"
    unset qual
elif [ $# -eq 2 ]; then
    qual="$1"
    ep="$2"
fi

if [ ! -r "$ep" ]; then
    if [ -z "$qual" ]; then
	ep="$(basename "$(pwd)") - ${ep}"
    else
	ep="$(basename "$(pwd)") ${qual} - ${ep}"
    fi
    if [ -r "${ep}.ogm" ]; then
	ep="${ep}.ogm"
	defopts=(-aid 1 -sid 0)
    elif [ -r "${ep}.mkv" ]; then
	ep="${ep}.mkv"
	defopts=(-slang eng -alang jpn)
    elif [ -r "${ep}.mpg" ]; then
	ep="${ep}.mpg"
    elif [ -r "${ep}.mp4" ]; then
	ep="${ep}.mp4"
    elif [ -r "${ep}.avi" ]; then
	ep="${ep}.avi"
    fi
fi

if [ ! -r "$ep" ]; then
    echo "no such episode: $ep" >&2
    exit 1
fi

ifile=".${ep}.info"

if [ -n "$savepar" ]; then
    if [ -r "$ifile" ]; then
	egrep -v "^${savepar}:" "$ifile" >"$ifile.new"
	mv -f "$ifile.new" "$ifile"
    fi
    echo "$savepar: $saveval" >>"$ifile"
    exit 0
fi

unset delay

if [ -r "$ifile" ]; then
    delay="`sed -n 's/delay *: *\([^ ]*\)$/\1/p' <"$ifile"`"
    cmdline=("${cmdline[@]}" -delay "$delay")
else
    cmdline=("${cmdline[@]}" "${defopts[@]}")
fi

if [ "`hostname`" = pc6 ]; then chwp=y; fi

if [ "$chwp" = y ]; then (sleep 2; randomwp) & fi
"${cmdline[@]}" "$ep"