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Challenges

You need to do a program that outputs the input string to hexadecimal!

For each character in the input string, convert it's ascii value to hexadecimal and output it out.

Example

Something = 536f6d657468696e67

Of course, this is code golf, so the shorter code wins!

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    \$\begingroup\$ See Default input/output methods. A file is allowed by default and there isn't much (if any) difference after this (apart from separating by spaces in the other question) \$\endgroup\$ Commented Feb 14, 2016 at 17:40
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    \$\begingroup\$ I'm downvoting because this question is too simple. \$\endgroup\$ Commented Feb 14, 2016 at 18:02

9 Answers 9

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Pyth, 3 bytes

.Hz

Pyth docs:

.H <str>
  Converts A to a hexadecimal string, treating the string as a base 256 integer.

z is a variable autoinitialized to input().

Try it here.

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    \$\begingroup\$ 'That's what I get for writing a try-it link' \$\endgroup\$ Commented Feb 14, 2016 at 17:30
  • \$\begingroup\$ @muddyfish Hahaha. To be fair, you ninja'd my answer verbatim while I was writing an explanation on the last challenge :D \$\endgroup\$ Commented Feb 14, 2016 at 17:30
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Bash, 6 bytes​​​​​​​​​​

xxd -p
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1
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JavaScript ES6, 49 bytes

s=>s.replace(/./g,l=>l.charCodeAt().toString(16))

Try it online

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  • \$\begingroup\$ Wouldn't this replace newlines in the input with a instead of 0a? \$\endgroup\$ Commented Feb 14, 2016 at 17:34
  • \$\begingroup\$ @Doorknob the OP hasn't specified that and a is the hexadecimal value of 10 (newline) so I'm not sure \$\endgroup\$ Commented Feb 14, 2016 at 17:36
  • \$\begingroup\$ Should it become necessary, (l.charCodeAt()+256).toString(16).slice(1) edges out ('0'+l.charCodeAt().toString(16)).slice(-2) by one byte. \$\endgroup\$ Commented Feb 14, 2016 at 19:00
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Python3 console, 21 bytes

input().encode("hex")

input() -- Gets the input in a string.
       .encode("hex") -- Encodes it to hexadecimal.

Doing this on the console saves the print argument.

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  • \$\begingroup\$ If you do it on the console, it will print itself \$\endgroup\$ Commented Feb 14, 2016 at 17:43
  • \$\begingroup\$ You should mention, that this doesn't work in the recent Python versions 3.4 and 3.5. docs.python.org/3/whatsnew/3.4.html#codec-handling-improvements \$\endgroup\$ Commented Feb 14, 2016 at 17:59
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𝔼𝕊𝕄𝕚𝕟, 7 chars / 9 bytes

ïⓢ⒨⒞ⓧ)⨝

Try it here (Firefox only).

Explanation later.

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0
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TeaScript, 5 bytes

ΣcT16

I really need to add base conversion built-ins

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Explanation

Σ    // Loop through input
 c   // Get char code
 T16 // To hexadecimal
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0
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JavaScript ES6, 50 bytes

s=>[for(c of s)c.charCodeAt().toString(16)].join``

Using an array generator comprehension, it loops through each character of the string and generates an array of the transform, then call .join() with an empty string as an argument to prevent inclusion of commas in default array toString() method.

Try it Online

This currently only works in Firefox v ≥ 30

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0
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Perl 6, 25 bytes

{lc [~] .ords».base(16)}

Usage:

my &code = {lc [~] .ords».base(16)}

say code 'Something';
# 536f6d657468696e67
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Python, 24 bytes

lambda x:x.encode("hex")

Test:

a=lambda x:x.encode("hex")
a("something")    # 736f6d657468696e67
a("Hello World!") # 48656c6c6f20576f726c6421
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