RosettaCodeData/Task/Shell-one-liner/NetRexx/shell-one-liner.netrexx

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$ TNRX=`mktemp T_XXXXXXXXXXXX` && test ! -e $TNRX.* && (echo 'say "Goodbye, World!"' >$TNRX; nrc -exec $TNRX; rm $TNRX $TNRX.*; unset TNRX)