10-16-2010
Quote:
Originally Posted by
DGPickett
Yes, the David Korn is still with us, and getting the newer ksh opens a lot of new doors. Maybe BASH will pick up more ksh-isms. I am still a ksh guy, by immersion and satisfaction, especially on systems with <() = systems with /dev/fd/# like Solaris.
I agree -- it's very frustrating to work with bash after enjoying the features of Kshell.
If anybody is interested in keeping up with Kshell or AST (a set of software tools from AT&T Labs Research) you can join one of the mailing lists listed on this page:
AT&T Research AST and UWIN mailing groups
I think this is a worthwhile mailing list to belong to.
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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)