funpack, decompress fpacked files. Version 1.1.2 (September 2008) usage: funpack [-F] [-D] [-Z] [-P
] [-O ] [-S] [-L] [-C] [-H] [-V] 

Flags must be separate and appear before filenames:
   -v          verbose mode; list each file as it is processed
   -F          overwrite input file by output file with same name
   -D          delete input file after writing output
   -P 
    prepend 
 to create new output filenames
   -O    specify full output file name
   -S          output uncompressed file to STDOUT
   -Z          recompress the output file with host GZIP program
   -L          list contents, files unchanged
   -C          don't update FITS checksum keywords
   -H          print this message
   -V          print version number
         FITS files to unpack