Re: Bad substitution breaks conditional statement

[Andreas Schwab]

On Okt 14 2020, Martin Schulte wrote:

> Consider the following script:
>
>>>>
> #!/bin/bash
>
> echo "${x;:-}" ; echo "Not executed"
> echo "Executed"
>
> echo "${x:-}" ;; echo "Not executed"
> echo "Not executed"
> <<<
>
> It just a source of problems that the two syntactical errors (both caused by 
> an extra semicolon) lead to different behaviour.

The difference being that the first error occurs during execution, while
the latter occurs during parsing.  The latter is also caught by bash -n.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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