I have 4 versions of ksh93 at hand and following are all the ${.sh.version}
strings:
Version M 1993-12-28 p
Version M 93t 2008-11-04
Version JM 93u 2011-02-08
Version jM 93u 2011-02-08
And I remember (not quite sure) I've ever seen one version like 93q+.
For new ksh users like me it seems to be a bit difficult to understand what
`JM' means and what's the difference between `JM' and `jM'. And I don't
know which one of `JM' and `jM' is newer. To write a kshrc which can work
for all ksh versions I have to check the ${.sh.version} string but the
format is not consistent and it's not as easy to parse and compare. So is
it possible to use a more readable version string? Or we can introduce a
new var like Bash's ${BASH_VERSINFO[@]}?
-Clark
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