#!/bin/bash
DCRAW=`which dcraw`       ; if [ "$DCRAW" == "" ];      then echo "*** dcraw not found"; fi
CJPEG=`which cjpeg`       ; if [ "$CJPEG" == "" ];      then echo "*** cjpeg not found"; fi
EXIFTOOL=`which exiftool` ; if [ "$EXIFTOOL" == "" ];   then echo "*** exiftool not found"; fi

#	default to use white-blance specified by camera
RAWFLAG=w

THISPROG=`basename $0`

usage () {
    echo "Usage: $THISPROG [-a] input-file[s]"
    echo "makes JPEG(s) from the input .pef RAW file(s)"
    echo "using camera white-balance by default"
    echo "or automatic white-balance if -a flag given"
}

if [ ! "$1" ] ; then usage; exit 1; fi
if [ "$1" == "-a" ] ; then
    RAWFLAG=a
    shift
fi

if [ "$DCRAW" == "" ] || [ "$CJPEG" == "" ] || [ "$EXIFTOOL" == "" ] ; then echo "*** [$0] conversion tool(s) missing: cannot process RAW file";  exit 1; fi

# for INFILE in $* ; do
# #    OUTFILE=`echo $INFILE | sed 's/.pef/.jpg/'`
#     OUTFILE=`echo $INFILE | sed 's/\.pef\|\.cr2\|\.dng/.jpg/'`
#     if [ "$INFILE" == "$OUTFILE" ] ; then
#         echo "*** ERROR filename $INFILE not recognised"
#         exit 1
#     fi
#     echo $THISPROG $INFILE '->' $OUTFILE
# #echo    $DCRAW -w -$RAWFLAG $INFILE
#     $DCRAW -$RAWFLAG -c $INFILE | cjpeg -quality 95 > $OUTFILE
#     # could use 'convert - outfile' instead of cjpeg
# 
#     $EXIFTOOL -overwrite_original -TagsFromFile $INFILE $OUTFILE 2>&1>/dev/null
# done
for INFILE in $* ; do
#    OUTFILE=`echo $INFILE | sed 's/.pef/.jpg/'`
    OUTFILE=`echo $INFILE | sed 's/\.pef\|\.cr2\|\.dng//'`
    if [ "$INFILE" == "$OUTFILE" ] ; then
        echo "*** ERROR filename $INFILE not recognised"
        exit 1
    fi
    echo $THISPROG $INFILE '->' $OUTFILE
#echo    $DCRAW -w -$RAWFLAG $INFILE
    for FLAG in "-a" "-w" "" ; do
        $DCRAW $FLAG -c $INFILE | cjpeg -quality 95 > ${OUTFILE}$FLAG.jpg
        $EXIFTOOL -overwrite_original -TagsFromFile $INFILE ${OUTFILE}$FLAG.jpg 2>&1>/dev/null
    done
done
exit 0