Re^4: Bit order in bytes

Not sure about your statement on swapping but I cannot see any. hex 12 is decimal 18 = 16 + 2 is binary 00010010 and hex 34 is decimal 52 is binary 00110100.

print unpack 'b*', "\x12\x34";;
01001000 00101100
   18       52


print unpack 'B*', "\x12\x34";;
00010010 00110100
   18       52
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Re^5: Bit order in bytes by BrowserUk (Patriarch) on Dec 10, 2013 at 13:10 UTC
Nybbles == 4-bits, so looking at the byte values in decimal doesn't show it. Look at the patterns of the nybbles (in hex): `## 'b' lists bits lsb->msb print unpack 'b', "\x12\x34";; 1248 1248 1248 1248 0100 1000 0010 1100 2 1 4 3 ## 'B' lists bits msb <- lsb print unpack 'B', "\x12\x34";; 8421 8421 8421 8421 0001 0010 0011 0100 1 2 3 4` [download] With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday' Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error. "Science is about questioning the status quo. Questioning authority". In the absence of evidence, opinion is indistinguishable from prejudice.	[reply] [d/l]

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Re^5: Bit order in bytes
by BrowserUk (Patriarch) on Dec 10, 2013 at 13:10 UTC

Nybbles == 4-bits, so looking at the byte values in decimal doesn't show it.

Look at the patterns of the nybbles (in hex):

## 'b' lists bits lsb->msb 
print unpack 'b*', "\x12\x34";;

1248 1248 1248 1248
0100 1000 0010 1100
   2    1    4    3

## 'B' lists bits msb <- lsb
print unpack 'B*', "\x12\x34";;

8421 8421 8421 8421
0001 0010 0011 0100
   1    2    3    4
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With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.

[reply]
[d/l]