Tips and tricks

TinyPNG CLI setup to compress all files in a folder

This has only been tested on mac but should run on LINUX and WINDOWS ( power shell ) as well. We will have to create a file in your folder called minify.command

Declare array of files we will ignore ( already compressed files ) and we will transform

declare -a exclude_array
declare -a compress_array

move to your folder, and scan files

STR="`dirname $0`"
cd  $STR
yourfilenames=`ls .`
for eachfile in $yourfilenames
do
  if [[ "$eachfile" == *"compressed"* ]]
  then
  echo $eachfile
  dup=${eachfile/compressed}
  exclude_array+=($eachfile)
  exclude_array+=($dup)
  fi
done


for eachfile in $yourfilenames
do
  if [[ "$eachfile" == *".png"* ]] || [[ "$eachfile" == *".jpg"* ]] ; then
  echo $eachfile
  compress_array+=($eachfile)
  fi
done

now that we have the files and we make sure we will that we rename so that we won’t compress again redundantly

for target in "${exclude_array[@]}"; do
  for i in "${!compress_array[@]}"; do
    if [[ ${compress_array[i]} = $target ]]; then
      unset 'compress_array[i]'
    fi
  done
done


for target in "${compress_array[@]}"; do
  tinypng $target
  mv $target compressed-${target}
done
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