ksh array updated by multiple scripts Post: 302920168

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Top Forums Programming ksh array updated by multiple scripts Post 302920168 by Corona688 on Tuesday 7th of October 2014 05:53:11 PM

10-07-2014

Registered User

If you create a new shell, variables cannot travel from it to the old shell.

One solution would be to source the script instead of executing it, which would run it in the same shell:

Code:

. ./scriptname

The use of 'exit' is one potential pitfall, which would cause it to quit completely instead of returning, if you use exit you must use return instead in the sourced script.

Another solution would be to have the script print the values, for you to read into the old shell.

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LEARN ABOUT LINUX

let

let(1)                                                             User Commands                                                            let(1)

NAME

       let - shell built-in function to evaluate one or more arithmetic expressions

SYNOPSIS

   ksh
       let arg...

DESCRIPTION

   ksh
       Each arg is a separate "arithmetic expression" to be evaluated.

EXIT STATUS

       The following exit values are returned:

       0        The value of the last expression is non-zero.

       1        The value of the last expression is zero.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       ksh(1), set(1), typeset(1), attributes(5)

SunOS 5.10                                                          15 Apr 1994                                                             let(1)