Replace all double quotes with single quotes

Question

I\'m trying to replace all double quotes in a string with single quotes. here my expression:

echo \"

        

Answer 1

You could use tr here, concise and less of quoting headache:

tr '"' "'"

Answer 2

You need to pass the g flag to sed:

sed "s/\"/'/g"

Answer 3

This might work for you:

sed "y/\"/'/" file