tinypng.sh

#!/bin/bash
keys=(
"-QGvZ7H-4RFzjizRMsNf-rVVI_UTnmYK"
"Zkf1LHXMWyyGcpUhsgH8bjET9j5oSw7S"
"DC7Fxhf-iEw40XfDmAb3KrWRnEPfBEDN"
"qJ2q_PJPcwPNkh-67iyBFLjja08hTaF6"
"zZBeZRbbiuqn0k2H8Cl-3l66lPWCZ6VB"
"BoOoA1UulwN_4-O_MN4UyN3U9YAm1ZUC"
"bNQajkm4E5swM-T3eYUr9l_Hkpmg2SWM"
"92eMC5fvjMhqyn3rnFhvnV7HH4QyQAR4"
"T7V6Hoqj43O9mmot0wBB1Ic6A-XyTK0g"
"ofXiw_AinfTA3XvK6TQ8gemLp32UqeGf"
"HqeEITFeyKmkRME0tC3jaQBHmkSZuzUV"
"8GLzzhNJPzruTOVysu9yD39kh-J0QGlH"
)
key_index=0
echo $key
echo "" >> tinypng_record.txt
removeQuotation(){
  val=$1
  len=${#val}
  echo ${val:1:len-2}
}

compress(){
  echo "begin compress $img"
  conent="curl --user api:${keys[key_index]} --data-binary @$1 https://api.tinify.com/shrink"
  echo "exec:$conent"
  response2=`$conent`
  echo $response2
  error=`echo $response2|jq ".error"`
  if [[ x$error != x"null" ]]; then
    echo "error msg:$error"
    key_index=`expr $key_index + 1`
    length=${#keys[@]}
    if [[ $key_index -ge $length ]]; then
      echo "no useful key,last file $img"
      exit
    else
      compress $1
    fi
  else
    url=`echo $response2|jq ".output.url"`
    url=$(removeQuotation $url)
    echo "begin download url:$url"
    curl $url -o $img
    echo "done $url"
    echo "$1 " >> tinypng_record.txt
    echo ""
  fi
}

list_alldir(){
  for file2 in `ls -a $1`
  do
    if [ x"$file2" != x"." -a x"$file2" != x".." ];then
      if [ -d "$1/$file2" ];then
        if [[ x$file2 = x"build" ]]; then
          echo "skip build dir"
        else
          list_alldir "$1/$file2"
        fi
      else
        img="$1/$file2"
        result=`cat tinypng_record.txt | grep $img`
        if [[ x$result != x""  ]]; then
          echo "skip $img,have already compress"
          continue;
        fi
        right=${img##*.}
        if [[ x"$right" = x"png" ]]; then
          compress $img
        fi
        if [[ x"$right" = x"jpg" ]]; then
          compress $img
        fi
      fi
    fi
  done
}

list_alldir .