getimage.zsh

#!/usr/bin/zsh
# $1 => Original Image
setopt extended_glob

infile="$1"
name="$2"

identify "$infile"
if [[ $(identify "$infile") == *" "(#b)(<->)x(<->)" "* ]]
then
  h=$match[1]
  w=$match[2]
  
  if (( $h > $w ))
  then
    convert -geometry ${h}x${w} wmark/w.png wmark/tmp.png
  else
    convert -geometry ${h}x${w} wmark/h.png wmark/tmp.png
  fi
  composite -watermark 30% wmark/tmp.png "$infile" img/fig/_tmp_"$name".${(L)infile:e}
  
  if (( $w > 1600 ))
  then
    convert -geometry 1600x img/fig/_tmp_"$name".${(L)infile:e} img/fig/"$name".${(L)infile:e}
    rm img/fig/_tmp_"$name".${(L)infile:e}
  else
    mv img/fig/_tmp_"$name".${(L)infile:e} img/fig/"$name".${(L)infile:e}
  fi
  
  rm wmark/tmp.png
  
  convert -geometry 400x img/fig/"$name".${(L)infile:e} img/thumb/"$name".${(L)infile:e}

    
else
  print "Some error occured: Really it's image file?" >&2
  exit 1
fi