{Updated} How do I show an error when a shell variable such as $1 is not set and exit with an error?
The post Bash Shell: Find Out If a Variable Is Set or Not appeared first on nixCraft.
{Updated} How do I show an error when a shell variable such as $1 is not set and exit with an error?
The post Bash Shell: Find Out If a Variable Is Set or Not appeared first on nixCraft.