# Format string to hex

**URL:** <https://www.ruby-forum.com/t/format-string-to-hex/91403>\
**Category:** Ruby\
**Created:** [April 8, 2007, 2:33pm UTC](https://www.ruby-forum.com/t/format-string-to-hex/91403 "2007-04-08T14:33:12Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rubytest](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/c77e96/32.png) [@rubytest](https://www.ruby-forum.com/u/rubytest)\
**Post date:** [April 8, 2007, 2:33pm UTC](https://www.ruby-forum.com/t/format-string-to-hex/91403/1 "2007-04-08T14:33:12Z")

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hello,boys  
I have a problem,I want to format the string to hex ,just like format  
abc to  
0x616263 ,but I don’t know how to do it ,  
Can you help me,and give me a code?

thx

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<div class="post-metadata">

**Author:** ![rubytest](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/c77e96/32.png) [@rubytest](https://www.ruby-forum.com/u/rubytest)\
**Post date:** [April 8, 2007, 2:52pm UTC](https://www.ruby-forum.com/t/format-string-to-hex/91403/2 "2007-04-08T14:52:21Z")

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Hi,

Am Sonntag, 08. Apr 2007, 21:33:14 +0900 schrieb Rubt Test:

> I want to format the string to hex ,just like format  
> abc to  
> 0x616263 ,but I don’t know how to do it ,

“abc”.unpack “H\*”

Bertram