Shell script
s="Hello World!" echo $s # Hello World! a=${s,,} echo $a # hello world! b=${s^^} echo $b # HELLO WORLD!
O/p
Shell script
s="Hello World!" echo $s # Hello World! a=${s,,} echo $a # hello world! b=${s^^} echo $b # HELLO WORLD!
O/p
Last articles
same way you can replace charecter eg
APP_NAME=”hello world”
APP_NAME=${APP_NAME// /_}
echo $APP_NAME
——————
op
hello_world