pokegra script

for n in {0..2963..6}
do
    let "dir=$n/6"
    $(GFX) pokegra/$(printf "%04d" $dir)/female/back.png a004/4_$(printf "%04d" $n).NCGR -scanfronttoback -handleempty
    let "a=$n+1"
    $(GFX) pokegra/$(printf "%04d" $dir)/male/back.png a004/4_$(printf "%04d" $a).NCGR -scanfronttoback -handleempty
    let "a=$n+2"
    $(GFX) pokegra/$(printf "%04d" $dir)/female/front.png a004/4_$(printf "%04d" $a).NCGR -scanfronttoback -handleempty
    let "a=$n+3"
    $(GFX) pokegra/$(printf "%04d" $dir)/male/front.png a004/4_$(printf "%04d" $a).NCGR -scanfronttoback -handleempty
    let "a=$n+4"
    $(GFX) pokegra/$(printf "%04d" $dir)/female/front.png a004/4_$(printf "%04d" $a).NCLR -bitdepth 8 -nopad -comp 10
    let "a=$n+5"
    $(GFX) pokegra/$(printf "%04d" $dir)/female/back.png a004/4_$(printf "%04d" $a).NCLR -bitdepth 8 -nopad -comp 10
    let "a=$n+4"
    $(GFX) pokegra/$(printf "%04d" $dir)/male/front.png a004/4_$(printf "%04d" $a).NCLR -bitdepth 8 -nopad -comp 10
    let "a=$n+5"
    $(GFX) pokegra/$(printf "%04d" $dir)/male/back.png a004/4_$(printf "%04d" $a).NCLR -bitdepth 8 -nopad -comp 10
done