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Full Discussion: Query regarding portable script
Top Forums Shell Programming and Scripting Query regarding portable script Post 302218712 by dhiraj4mann on Saturday 26th of July 2008 05:17:52 AM
Old 07-26-2008
Query regarding portable script
Dear Experts,

I want to write a script which has to work on Solaris & Linux sytems.
The problem which i am facing is, there are commands whose options are different on both OS's. For example ping.

On Solaris i have to write:
ping $host 1
to check if the host is alive

On Linux i have to use following command
ping $host -c 1
One way to write generic script is
if [ `uname -s` == "SunOS" ]
then
OPT="1"
fi
if [ `uname -s` == "Linux" ]
then
OPT="-c 1"
fi

ping $host $OPT
The only problem with this approach is that for every set of options i have make OS specific check. Is there some better way of achieving same in shell scripts. In make i know sth like following works:

OPT.solaris="1"
OPT.linux="-c 1"
OPT=$(OPT.$(OSTYPE))

Is something like this possible in shell scripts also?
 

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LEARN ABOUT SUSE

sieveshell

SIEVESHELL(1)						User Contributed Perl Documentation					     SIEVESHELL(1)

NAME

       sieveshell - remotely manipulate sieve scripts

SYNOPSIS

       sieveshell [--user=user] [--authname=authname] [--realm=realm] [--exec=script] server[:port]

       sieveshell --help

DESCRIPTION

       sieveshell allows users to manipulate their scripts on a remote server.	It works via MANAGESIEVE, a work in progress.

       The following commands are recognized:

	   list list scripts on server.

	   put <filename> upload script to server.

	   get <name> [<filename>] get script. if no filename display to stdout

	   delete <name> delete script.

	   activate <name> activate script.

	   deactivate deactivate all scripts.

OPTIONS

       -u user, --user=user
	   The authorization name to request; by default, derived from the authentication credentials.

       -a authname, --authname=authname
	   The user to use for authentication (defaults to current user).

       -r realm, --realm=realm
	   The realm to attempt authentication in.

       -e script, --exec=script
	   Instead of working interactively, run commands from script, and exit when done.

REFERENCES

       [MANAGESIEVE] Martin, T.; "A Protocol for Remotely Managing Sieve Scripts", draft-ietf-managesieve-03.txt, Mirapoint, Inc.; May 2001, work
       in progress.

AUTHOR

       Tim Martin <tmartin@mirapoint.com>, and the rest of the Cyrus team <cyrus-bugs@andrew.cmu.edu>.

perl v5.10.0							    2008-04-04							     SIEVESHELL(1)
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