in reply to Hexadecimal to binary

$ (echo ibase=16; echo obase=2; echo F23CC481AAE190180000000014000008)
+ | BC_LINE_LENGTH=200 bc
1111001000111100110001001000000110101010111000011001000000011000000000
+0000000000000000000000000000010100000000000000000000001000

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HTH. HAND.

In Section Seekers of Perl Wisdom