http://www.perlmonks.org?node_id=380826


in reply to Re: system() vs `backtick`
in thread system() vs `backtick`

Regarding the compatibility of bash and sh... Bash is supposed to run in a compatibility when invoked as "sh" (by "compatibility mode" I mean that it should function in exactly the same way as sh). Of course, I cannot speak for how well it pulls this off. :-D
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