Perl Programming - Perl, mod-perl, CGI, etc.
Parsing Hex bytes using Perl Posted by dharshana.ve (dharshana.ve), 25 October 2006 Hi all,I am a student working on a project using Perl. My work is... I have few hex bytes as inputs for my program. Its a series of hex bytes. for eg: 01 0a ab 2a 1c etc... Here each byte stands for some representation. I also have a data file in which all the representations are stored. For eg: 01 => "abcd" 02 => "ertg" 1c => "srfrf" etc... I have to parse the input hex bytes using this data file and the output should show the parsed input series. The problem i face in linear search id, there are few hex bytes in which the digits are same but the representations are different. For eg: 01 stands for "abcd" and also in some other place it stands for "cdfv" also. My program follows ASN.1 format. I mean The bytes come in a fashion like TYPE and then LENGTH and then VALUE.. So i have to parse in teh above mentioned manner. I am unable to come up with an algorithm for the same as i am very new to Perl programming. Also, the data files are very huge and input also is very huge file in which there are several hex bytes. So plz can anyone help me in this? This page is a thread posted to the opentalk forum
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