KSH substring function (is it on your system?)

[Joseph S. D. Yao]

In article <3002 at sun.uucp> guy at sun.uucp (Guy Harris) writes:
>> > As long as we're talking about 'substring', 'expr' has a 'substr' option
>> > that used to be documented in V6.
>V6?  *V6?*  I don't remember any "expr" command in V6; the main use of
>"expr" is between backquotes in the shell, and the V6 shell didn't have
>backquotes (alas).  V7's "expr" had them, as did S3's; ...

My first memory of "expr" is in PWB 1.0, which pre-dated V7.  It may
also have been in V6.5; I don't rightly recall.
-- 

	Joe Yao		hadron!jsdy at seismo.{CSS.GOV,ARPA,UUCP}