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Top Forums Shell Programming and Scripting Passing a variable name to be created within a function Post 47193 by Perderabo on Wednesday 4th of February 2004 02:20:57 PM
Old 02-04-2004
First of all, you don't need a tr process. ksh can upshift all by itself.

typeset -u xyz
a="abc"
xyz=$a
echo $xyz

And you can use eval to build a command then execute it.
var="xyz"
eval typeset -u $var
a="abc"
eval $var=\$a
eval echo \$$var

But I too don't know why you'd want to do this.
 

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GUPNP_SERVICE_PROXY_ADD_NOTIFY(3)					 1					 GUPNP_SERVICE_PROXY_ADD_NOTIFY(3)

gupnp_service_proxy_add_notify - Sets up callback for variable change notification

SYNOPSIS
bool gupnp_service_proxy_add_notify (resource $proxy, string $value, int $type, mixed $callback, [mixed $arg]) DESCRIPTION
Sets up callback to be called whenever a change notification for variable is recieved. PARAMETERS
o $proxy - A service proxy identifier. o $value - The variable to add notification for. o $type - The type of the variable. Type can be one of the following values: o GUPNP_TYPE_BOOLEAN - Type of the variable is boolean. o GUPNP_TYPE_INT - Type of the variable is integer. o GUPNP_TYPE_LONG - Type of the variable is long. o GUPNP_TYPE_DOUBLE - Type of the variable is double. o GUPNP_TYPE_FLOAT - Type of the variable is float. o GUPNP_TYPE_STRING - Type of the variable is string. o $callback - The callback to call when variable changes. Typically, callback function takes on three parameters. The $variable parameter being the first, $value parameter being the second, and the $arg is third. o $arg - User data for $callback. RETURN VALUES
Returns TRUE on success or FALSE on failure. SEE ALSO
gupnp_service_proxy_remove_notify(3). PHP Documentation Group GUPNP_SERVICE_PROXY_ADD_NOTIFY(3)
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