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Per Amundsen, 01/02/2019 03:34 AM
Added in 1.9.0
$bvar(&binvar,N,M)
Returns M ASCII values from a &binvar starting from the Nth byte.
N-N2 can be used to get a range of ASCII values.
N- can be used to get all ASCII values from position N.
Parameters
&binvar - The &binvar to use.
N - Position to start retrieving bytes.
M - Numbers of bytes to get.
Properties
.text - Returns plain text instead of ASCII values.
.word - Outputs decimal value of a 2-byte word, seeing bytes in little-endian byte order (low value first)
.nword - Outputs decimal value of a 2-byte word, seeing bytes in big-endian byte order (high value first)
.long - Outputs decimal value of a 4-byte dword (unsigned long), seeing bytes in little-endian byte order (low value first)
.nlong - Outputs decimal value of a 4-byte dword (unsigned long), seeing bytes in big-endian byte order (high value first)
Example
; Returns the length of the binary variable. //echo -ag $bvar(&binvar,0) ; Returns ASCII value at position N. //echo -ag $bvar(&binvar,1) ; Returns ASCII values from 5 to 8. //echo -ag $bvar(&binvar,5,3) ; Returns ASCII values from 5 to end. //echo -ag $bvar(&binvar,5-) ; Returns plain text from 5 to 8 up to the first zero character. //echo -ag $bvar(&binvar,5,3).text ; Returns &binvar if the binvar exists. //echo -ag $bvar(&binvar)
Updated by Per Amundsen almost 6 years ago · 8 revisions