Re^4: Converting negative number to binary with specific width

what os the is use of pack 'v' for?

The documentation explains it :)

v  An unsigned short (16-bit) in "VAX" (little-endian) order.
V  An unsigned long (32-bit) in "VAX" (little-endian) order.
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Re^5: Converting negative number to binary with specific width by Anonymous Monk on Nov 03, 2015 at 07:44 UTC
do you have to use it? Isn't unpack 'b10' enough?	[reply]
Re^6: Converting negative number to binary with specific width by AnomalousMonk (Archbishop) on Nov 03, 2015 at 10:33 UTC
Try it and see. What result do you get? Are you happy with it? If yes, then you're done! (Of course, I'm not saying there is no other possible `pack/unpack/reverse/sprintf/substr/whatever` incantation that would do as well or better; see Convert ASCII string to 7-bit binary string for a recent, eerily similar discussion.) Give a man a fish: `<%-{-{-{-<`	[reply] [d/l] [select]