% astqdp [-h] [-k] [filename [device]]
The -h option prints a short summary of the usage of the procedure.
The -k option instructs ASTQDP that the intermediate QDP file
should be retained (the default is to delete it). If this option
is selected then the file will be named .qdp. If the
filename is not supplied then it will be prompted for. If the
output device is not specified then QDP will use the device defined
by the PGPLOT_TYPE environment variable, which is usually set to
the value "/xwin".
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