Rudolf Polzer wrote:
> So basically - when using an assignment for the duration of a shell command
> execution, an explicit subshell must be used in portable scripts, as
> interpretation of this construct differs among shells and thus cannot be
> relied
> on.
If "shell command execution" means "function call", then yes.
[...]
> exported() { :; }
>
> foo=bar exported
> sh -c 'echo $foo'
Ah, yuck. On this machine:
- dash does not export
- zsh with "emulate sh" exports
- ksh93 does not export
- pdksh does not export
- posh does not export
- mksh exports
- "bash -o posix" exports
- busybox sh does not export
Fun.
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