How to base64 encode image in linux bash / shell

Question

I\'m trying to base64 encode an image in a shell script and put it into variable:

test=\"$(printf DSC_0251.JPG | base64)\"
echo $test
RFNDXzAyNTEuSlBH
         


        

Answer 1

If you need input from termial, try this

lc=`echo -n "xxx_${yyy}_iOS" |  base64`

-n option will not input "\n" character to base64 command.