In sh, is '[' a portable synonym for 'test'?

[John Ruschmeyer]

>From: ado at elsie.UUCP (Arthur David Olson)
>Message-ID: <5242 at elsie.UUCP>
>Organization: NIH-LEC, Bethesda, MD
>
>> Any good reason *NOT* to make the link?
>
>If you want your software to be portable to sites where the administrators
>refuse to make the link (for *whatever* reason), don't make the link on your
>own site.

Actually, that almost sounds like a good reason to make the link, but
never use it in your own software. Therefore you do have some compatability
with the Sys V and 4.2 programmers who use '[' instead of 'test'.

Now if there was a patch for the v7 'sh' to use '#' as a real comment....

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