PAGE 131 in Book Chapter 7 #2
Description
to_lower()
{
input="$1"
output=$( echo $1 | tr [:upper:] [:lower:] )
return $output
}
In book, to_lower() is returning a string which is not possible in bash. the script does not work.
{{ message }}
to_lower()
{
input="$1"
output=$( echo $1 | tr [:upper:] [:lower:] )
return $output
}
In book, to_lower() is returning a string which is not possible in bash. the script does not work.