sh changes
David Langdon
dml at rabbit1.UUCP
Fri Jun 20 07:59:08 AEST 1986
>
> ${parameter:-word}
...
> ${parameter:=word}
...
> ${parameter:?word}
...
> ${parameter:+word}
...
>
> In case you missed it, the difference is the extra colon in the Sun 3.0
> system. Questions: when and why was this change made? Are there any
> other variants of Unix with this change? Has anybody's command file
> broken on account of this?
>
> Ken
Don't know the real answer to this, but from what ksh (korn shell)
documentation I have seen, the Sun 3.0 sh uses the same syntax as the
korn shell (which is supposed to be sh compatible).
--
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David Langdon Rabbit Software Corp.
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