bash/etc/cutter.sh

   1 #!/bin/bash
   2
   3 pieceHeight=5408
   4 pieceSlide=$[$pieceHeight-130]
   5 targetdir=./work
   6 infile="$1"
   7 inputname=${infile%%.*}
   8
   9 mkdir -p ${targetdir}
  10
  11 function getwidth() { magick identify -format '%[height]' "$1"; }
  12 height=$(getwidth "${infile}")
  13
  14 echo "[${height}]"
  15
  16 top="0"
  17 fno="0"
  18 while [ $top -lt $height ]
  19 do
  20 echo "$top $height"
  21 convert -crop x${pieceHeight}+0+${top} +repage "${infile}" "${targetdir}/${inputname}_${fno}.png"
  22 top=$[$top+$pieceSlide]
  23 fno=$[$fno+1]
  24 done