Unnamed

#!/bin/bashwhile test $# -gt 0; do    DO_SHIFT=:    case "$1" in        "-i" )            shift            INFILE="$1"            ;;        "-o" )            shift            OUTFILE="$1"            ;;        "-f" )            shift            FRAME_ARG=$1            ;;        "-b" )            shift            BORDER_ARG=$1            ;;    esac    $DO_SHIFT && shiftdone if [[ -n "$FRAME_ARG" ]]; then    FRAME="-frame $FRAME_ARG"    frame=${FRAME_ARG/x*}else    frame=0fiif [[ -n "$BORDER_ARG" ]]; then    BORDER="-bordercolor '#6E6E6E' -border $BORDER_ARG"    border=${BORDER_ARG/x*}else    border=0fitsize=$(( 640 - frame - (border * 2) ))convert  -size 640x480 "$INFILE" -bordercolor '#6E6E6E' \$FRAME -thumbnail ${tsize}\> xc:black +swap -gravity center \-composite "$OUTFILE"