on run argv
  set the this_file to item 1 of argv
  set the vertical_crop to 20
  set the horizontal_crop to 30
  tell application "Image Events"
    launch
    set this_image to open this_file
    copy dimensions of this_image to {W, H}
    crop this_image to dimensions {W - horizontal_crop, H - vertical_crop}
    save this_image with icon
    close this_image
  end tell
end run

on run argv set the this_file to item 1 of argv set the vertical_crop to 20 set the horizontal_crop to 30 tell application "Image Events" launch set this_image to open this_file copy dimensions of this_image to {W, H} crop this_image to dimensions {W - horizontal_crop, H - vertical_crop} save this_image with icon close this_image end tell end run

naresh$ osascript crop_image.scpt /complete/path/to/image.ext

naresh$ osascript crop_image.scpt /complete/path/to/image.ext