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Full Discussion: To make my script multi-os compatible
Top Forums Shell Programming and Scripting To make my script multi-os compatible Post 302843061 by wisecracker on Monday 12th of August 2013 03:10:51 AM
Old 08-12-2013
The code is not there so a few pointers...

1) Never make assumtions without quoting them and/or investigating them.
2) Do NOT take directory/folder/drawer trees as being identical on all the platforms.
3) Obtain units with default installs of the OSes you want to test with.
4) Check that the shell you want to use exists. Most Linux installs and the Macbook Pro default to bash.
5) Try to make your code backwards compatible - seriously difficult in Python.
6) If you are doing something odd inside the Terminal, (colours for example), ensure that the Terminals can handle them.
7) Ensure that any _commands_ you use exist and have the arguments you need; for example "stat -c ........" does not work on this Macbook Pro as the -c argument does not exist.
8) If you are not sure ask a Forum like this one to try out a command with the arguments you need on their platform of choice. There are people willing to help as it is a learning curve for them too.
9) Can't think of anything else at the moment. ;o)
10) Oh, and I am an amateur coder, I code to work first not work to code, but once working I will ask for help in speeding up any routines...
 

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LEARN ABOUT SUNOS

wsreg_remove_compatible_version

wsreg_add_compatible_version(3WSREG)		    Product Install Registry Library Functions		      wsreg_add_compatible_version(3WSREG)

NAME

       wsreg_add_compatible_version, wsreg_remove_compatible_version, wsreg_get_compatible_versions - add or remove a backward-compatible version

SYNOPSIS

       cc [flag ...]  file ...-lwsreg [library ...]
       #include <wsreg.h>

       int wsreg_add_compatible_version(Wsreg_component *comp, const char *version);

       int wsreg_remove_compatible_version(Wsreg_component *comp, const char *version);

       char **wsreg_get_compatible_versions(const Wsreg_component *comp);

DESCRIPTION

       The  wsreg_add_compatible_version()  function adds the version string specified by version to the list of backward-compatible versions con-
       tained in the component specified by comp.

       The wsreg_remove_compatible_version() function removes the version string specified by version from the list  of  backward-compatible  ver-
       sions contained in the component specified by comp.

       The wsreg_get_compatible_versions() function returns the list of backward-compatible versions contained in the component specified by comp.

RETURN VALUES

       The  wsreg_add_compatible_version()  function returns a non-zero value if the specified backward-compatible version was successfully added;
       otherwise, 0 is returned.

       The wsreg_remove_compatible_version() function returns a non-zero value if  the	specified  backward-compatible	version  was  successfully
       removed; otherwise, 0 is returned.

       The  wsreg_get_compatible_versions()  function  returns	a null-terminated array of char pointers that represents the specified component's
       list of backward-compatible versions.  If the specified component has no such versions, NULL is returned.  The resulting array and its con-
       tents must be released by the caller.

USAGE

       The  list  of  backward	compatible versions is used to allow components that are used by multiple products to upgrade successfully without
       compromising any of its dependent products.  The installer that installs such an update can check the list of backward-compatible  versions
       and look at what versions are required by all of the dependent components to ensure that the upgrade will not result in a broken product.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       prodreg(1M), wsreg_initialize(3WSREG), wsreg_register(3WSREG), wsreg_set_version(3WSREG), attributes(5)

SunOS 5.10							    22 Sep 2000 			      wsreg_add_compatible_version(3WSREG)
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