01-30-2010
Hi.
Would this excerpt from an interview with David Korn convince you otherwise about
pdksh?
Quote:
Question 3) pdksh...
by mirko (mirko@myfamilyname.org)
Do you collaborate (or plan to) with the pdksh development team ?
Korn: I don't know the pdksh development team but I would like to thank them for the service they have done in making a version of ksh available while ksh was proprietary. I have noticed remarkable improvements in pdksh in its ability to mimic ksh88 functionality. I don't know what plans the pdksh development team has now that ksh93 is available in open source form, but I certainly would help them try to maintain compatibility if they do continue pdksh distribution. Otherwise, I would hope that they would pick up the ksh93 source and help support and enhance it.
-- more at
Slashdot | David Korn Tells All (from about 10 yars ago)
Best wishes ... cheers, drl
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LEARN ABOUT OPENSOLARIS
let
let(1) User Commands let(1)
NAME
let - shell built-in function to evaluate one or more arithmetic expressions
SYNOPSIS
ksh
let arg...
ksh93
let [expr...]
DESCRIPTION
ksh
Each arg is a separate arithmetic expression to be evaluated.
ksh93
let evaluates each expr in the current shell environment as an arithmetic expression using ANSI C syntax. Variables names are shell vari-
ables and they are recursively evaluated as arithmetic expressions to get numerical values. let has been made obsolete by the ((...)) syn-
tax of ksh93(1) which does not require quoting of the operators to pass them as command arguments.
EXIT STATUS
ksh
ksh returns the following exit values:
0 The value of the last expression is non-zero.
1 The value of the last expression is zero.
ksh93
ksh93 returns the following exit values:
0 The last expr evaluates to a non-zero value.
>0 The last expr evaluates to 0 or an error occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
ksh(1), ksh93(1), set(1), typeset(1), attributes(5)
SunOS 5.11 2 Nov 2007 let(1)