On Fri, 2005-04-22 at 13:46 -0400, Christian Pearce wrote:
> $(expr) and ${word} is valid shell how do you differentiate?
>
> bash-2.05b$ test=$(echo test)
> bash-2.05b$ echo $test
> test
> bash-2.05b$ test=${test}
> bash-2.05b$ echo $test
> test
> bash-2.05b$ test=${test1}
> bash-2.05b$ echo $testThe same way Make does, by requiring you escape shell variables in strings--it would remove the ambiguity and permit more useful error messages and syntax checking. Wil -- Wil Cooley [EMAIL PROTECTED] Naked Ape Consulting http://nakedape.cc * * * * Linux, UNIX, Networking and Security Solutions * * * *
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