[REBOL] Working with binary data Re:
From: al:bri:xtra at: 27-Sep-2000 13:24
> If I read in a binary file I get this for example:
>
> variable: #{
> 524946462400000043444441666D742018000000010001005C774C0100000000
> B253000000020000332D0400
> }
>
> How do I navigate this to get to specific values and extract them and
store them in variables?
> The best I could do is use
> data: first variable
>
> BUT, I would like to be able to extract more than one at a time.
>> variable: #{
{ 524946462400000043444441666D742018000000010001005C774C0100000000
{ B253000000020000332D0400
{ }
== #{
524946462400000043444441666D742018000000010001005C774C0100000000
B253000000020000332D0400
}
>> at variable 2
== #{
4946462400000043444441666D742018000000010001005C774C0100000000B2
53000000020000332D0400
}
>> first at variable 2
== 73
>> first at variable 3
== 70
>> first at variable 4
== 70
>> first at variable 1
== 82
>> foreach byte variable [print byte]
82
73
70
70
36
0
0
0
67
68
68
65
102
109
116
32
24
0
0
0
1
0
1
0
92
119
76
1
0
0
0
0
178
83
0
0
0
2
0
0
51
45
4
0
>>
>> print copy/part at variable 12 5
#{41666D7420}
I hope that helps.
Andrew Martin
ICQ: 26227169
http://members.nbci.com/AndrewMartin/
http://members.xoom.com/AndrewMartin/
