@ALIAS[name] : Returns the contents of the specified alias as a string, or a null string if the alias doesn't exist.
When manipulating strings returned by @ALIAS you may need to disable certain special characters with SETDOS /X. Otherwise, command separators, redirection characters, and other similar characters in the alias may be interpreted as part of the current command, rather than part of a simple text string.
Examples:
alias xyz=d:\path\myprog.exe -options
echo %@alias[xyz]
d:\path\myprog.exe -options
