When you want to return a command line output, you may consider using two methods: `cat file` or $(cat file). As far as I know, they are equivalent before my eyes.
Is there a difference between both? If so, what's the difference please?
When you want to return a command line output, you may consider using two methods: `cat file` or $(cat file). As far as I know, they are equivalent before my eyes.
Is there a difference between both? If so, what's the difference please?