A shell script to translate Apple's SIPS (scriptable image processing system) commands to ImageMagick. It can be used to test software that depends on SIPS (and thus the proprietary Core Image) on any other unixoid system, ie. Linux.

sips.sh

#!/bin/bash
# This script translates some SIPS (scriptable image processing system) commands to ImageMagick.
# http://www.unix.com/man-page/all/1/sips

input=""
output=""
convertoption=""

while :
do
  case $1 in
    # Crop image to fit specified size.
    -c|--cropToHeightWidth)
        convertoption="$convertoption -crop $2x$3!"; shift 3;;
    # Flipping.
    -f|--flip)
        case $2 in
          horizontal)
            convertoption="$convertoption -flop"; shift;;
          vertical)
            convertoption="$convertoption -flip"; shift;;
        esac
        shift;;
    # Resample image to specified width.
    --resampleWidth)
        convertoption="$convertoption -resize $2x"; shift 2;;
    # Resample image to specified height.
    --resampleHeight)
        convertoption="$convertoption -resize x$2"; shift 2;;
    # Resample image at specified size. Image apsect ratio may be altered.
    -z|--resampleHeightWidth)
        convertoption="$convertoption -resize $2x$3!"; shift 3;;
    # Resample image so height and width aren't greater than specified size.
    -Z|--resampleHeightWidthMax)
        convertoption="$convertoption -resize $2x$2"; shift 2;;
    # Rotating.
    -r|--rotate)
        convertoption="$convertoption -rotate $2"; shift 2;;
    # Set a property value for key to value.
    -s|--setProperty)
        case $2 in
          formatOptions)
            convertoption="$convertoption -quality $3"; shift 2;;
        esac
        shift;;
    # Output path
    --out)
        output=$2; shift 2;;
    # Input path
    *)
        if [ -z "$input" ]; then
          input=$1; shift
        else # No more options. Stop while loop.
          break
        fi
        ;;
    --) # End of all options
        shift
        break
        ;;
  esac
done

if ! [ -e $input ]; then
  echo "Input file does not exist."
  exit 1
fi

if [ -e $output ]; then
  output=$input
fi

echo convert $input $convertoption $output
convert $input $convertoption $output

exit 0

Nice, thanks!

Thanks!