Hi David, On 8/19/07, David Brodbeck <[EMAIL PROTECTED]> wrote:
It certainly has its warts. In particular, Bash's "test" (aka "[") > operator has pitfalls. Testing for an empty variable, for example, > is awkward. If you do: > > if [ $foo == "" ] > > Bash will complain about missing arguments. Instead, you have to do > something like this: > > if [ "x$foo" == "x" ] > > which works, but makes no sense the first time you see it. The file- > testing features of "test" are quite powerful and extensive, though > -- there are few languages where it's quite so easy to test > conditions like, 'is this a directory?'. Thanks. I copied this to my 'Bash-howto'. Greetings, Manon.
