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Full Discussion: calling csh script from ksh shell
Top Forums Shell Programming and Scripting calling csh script from ksh shell Post 302231932 by drl on Wednesday 3rd of September 2008 01:17:15 PM
Old 09-03-2008
Hi.

Here is one way. Start with a csh script and source the script that has your setenv defined. That will create environment variables that can be passed to children processes. Then in the first script call the Korn shell script. Here's how it would work with tcsh and pdksh:
Code:
#!/usr/bin/env tcsh

# @(#) first.csh        Demonstrate calling Korn shell script.

echo
echo "(Versions displayed with local utility version)"
sh -c "version >/dev/null 2>&1" && version "=o" tcsh
echo

source second.csh
./s1

exit 0

and second:
Code:
setenv X xyz

and the Korn script:
Code:
#!/bin/ksh -

# @(#) s1       Demonstrate inheriting environment variables from csh.

echo
echo "(Versions displayed with local utility \"version\")"
version >/dev/null 2>&1 && version "=o" $(_eat $0 $1)
set -o nounset

echo
echo " Results:"
echo " variable X is \"$X\""

exit 0

If you execute ./s1 by itself, we expect that the variable will not be defined:
Code:
% ./s1

(Versions displayed with local utility "version")
Linux 2.6.11-x1
pdksh 5.2.14 99/07/13.2

 Results:
./s1[12]: X: parameter not set

However, if you execute the first csh script, you get:
Code:
% ./first.csh

(Versions displayed with local utility version)
Linux 2.6.11-x1
tcsh 6.13.00


(Versions displayed with local utility "version")
Linux 2.6.11-x1
pdksh 5.2.14 99/07/13.2

 Results:
 variable X is "xyz"

You might also experiment with creating a function setenv which takes parameters variable-name and value, etc.

Best wishes ... cheers, drl
 

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LEARN ABOUT LINUX

suspend

suspend(1)                                                         User Commands                                                        suspend(1)

NAME

       suspend - shell built-in function to halt the current shell

SYNOPSIS

   sh
       suspend

   csh
       suspend

   ksh
       suspend

DESCRIPTION

   sh
       Stops the execution of the current shell (but not if it is the login shell).

   csh
       Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su.

   ksh
       Stops the execution of the current shell (but not if it is the login shell).

ATTRIBUTES

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

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

SEE ALSO

       csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5)

SunOS 5.10                                                          15 Apr 1994                                                         suspend(1)
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