Example:
local var1, var2, var3, retval
var1 = prompt( "Drive to change ", "C", 1 )
var2 = curdir( var1 )
var3 = prompt( "Change from " + var2 + " to:", "", 50 )
retval = chDir( var3 )
println( "The Default Directory was " + var2 )
println( "The new Default directory is " + var3 )
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