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tclout with return value

Syntax: tcloutr <option>[<par1>] [<par2>] [<par3>]

tcloutr is identical to the tclout command except that it also provides what is stored in $xspec_tclout as a return value. Therefore it can be used in tcl scripts like this:

set var1 [tcloutr energies 1]

tcloutr may produce quite a lot of unwanted screen output, which can be avoided by using tclout.