set command will return the value of the argument( variable, actually )
2010-12-02 14:42
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eg:
set var {the value of var}
=> the value of var
set name var
=> var
set name
=> var
set $name ## here, the name will be replaced by "var", so <=> set $var => the below result
=> the value of var
set var {the value of var}
=> the value of var
set name var
=> var
set name
=> var
set $name ## here, the name will be replaced by "var", so <=> set $var => the below result
=> the value of var
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