Henrik Loeser data-henrik

## readme.md

      
        
          
            
              
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                data-henrik
                / readme.md
            
            
              Created
              March 20, 2020 08:15
                — forked from lounagen/readme.md
            
              
                Example for decoding a JWT Payload with your Shell (bash, zsh...)
              
          
        
      
        
  
      
    Setup

Add this to your .profile, .bashrc, .zshrc...
BASE64_DECODER_PARAM="-d" # option -d for Linux base64 tool
echo AAAA | base64 -d > /dev/null 2>&1 || BASE64_DECODER_PARAM="-D" # option -D on MacOS

decode_base64_url() {
  local len=$((${#1} % 4))
  local result="$1"
 if [ $len -eq 2 ]; then result="$1"'=='