The ugliest script to convert trimmed images in latex to cropped images.

trimtex.sh

#!/usr/bin/env bash

file=$1
dir=$(dirname $file)

nfile=${file}.new
cp $file $nfile

cat $file |
  grep -E '^[^%]*\includegraphics.*trim={.*}.*$' |
  sed 's/^.*\includegraphics[[^\]]*trim={\([[:digit:]]*\)px \([[:digit:]]*\)px \([[:digit:]]*\)px \([[:digit:]]*\)px}.*]{\([^}]*\).*}$/\1 \2 \3 \4 \5 \0/' |
  while read -r a b c d f line; do
    fdir=$(dirname $f)
    fname=$(basename $f)
    ofname=$fname
    add=0
    if [ ! -f $dir/$f ]; then
      if [ "$(ls $dir/$f.* | wc -l)" -ne 1 ]; then
        echo /!\\ $dir/$f not processed. crop $a $d -$c -$b $f $nf
        continue
      fi
      f=$fdir/$(basename $(ls $dir/$f.*))
      fname=$(basename $f)
    fi
    nf=${fdir}/trim_${a}_${b}_${c}_${d}_${ofname}
    newline=$(echo $line | sed "s/trim={${a}px ${b}px ${c}px ${d}px},\?//" | sed "s|\(\includegraphics.*\){[^}]*}|\1{${nf}}|")
    python3 -c "s=open('$nfile', 'r').read().replace('${line//\\/\\\\}', '${newline//\\/\\\\}');open('$nfile','w').write(s)"
    nf=${fdir}/trim_${a}_${b}_${c}_${d}_${fname}
    # requires crop from imscript
    crop $a $d -$c -$b $dir/$fdir/$fname $dir/$nf
    echo $dir/$f
  done