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  1. or download this
    >perl -CSD -we"print chr 0x2660" | perl -CSD -we"printf qq{%X\n}, ord 
+<STDIN>"
2660
  2. or download this
    >perl -CSD -we"print chr 0x2660" | perl -CSD -we"printf qq{%X\n}, ord 
+<>"
2660
  3. or download this
    >perl -CSD -we"print chr 0x2660" > foo

>perl -CSD -we"printf qq{%X\n}, ord <>" foo
2660