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using std::stringstream to print a string in hex decimal form

I am using a log4cpp to log any debug info to a file.

log4cpp::Category::getRoot() << log4cpp::Priority::DEBUG << "My error string";

There is time I would like to turn the error string into an array of hex codes for each character in the string

log4cpp::Category::getRoot() << log4cpp::Priority::DEBUG << "0x65 0x63 0x67 0x68 .. .. ..";

What is the best way to transform "My error string" to "0x65 0x63 0x67 0x68 .. .. .."

SOLUTION

sarabande

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SOLUTION

jkr

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tommym121

ASKER

JKR,

I really like your new trick, as I am learning to apply generic programming. (template).

One more winkle I like to add, what if I would like to print max16 Hex numbers in a row.

how would I do it.

SOLUTION

jkr

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tommym121

ASKER

JKR,

I forget to mention if what I am trying to print out is an array of char (e.g. TCP/IP) packet, '\n' can be present in the char array, I would like to print '\n' as ASCII code and still able to print 16 maximum HEX number in a row.

So I suppose I can not use string or stringstream am I right

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jkr

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ASKER CERTIFIED SOLUTION

sarabande

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tommym121

ASKER

Thanks