Convert string to hexadecimal on command line

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I'm trying to convert "Hello" to 48 65 6c 6c 6f in hexadecimal as efficiently as possible using the command line.

I've tried looking at printf and google, but I can't get anywhere.

Any help greatly appreciated.

Many thanks in advance,

Ascii/Hex convert in bash, You can use od -t x1c to show both the byte hex values and the corresponding letters. If you have xxd xxd -p -r AAA ,this doesn't work,can it retrieve parameters from command line directly? – gdb Apr 20 '11 at For single line solution: And below is a way it inspired, to convert hex strings to ascii: for h in  Convert String to Hex (Text to Hex) Online and Save and Share. String to Hexadecimal

Convert ascii string to hex Using echo, od, sed, Also, it doesn't output the \x, hence the sed command at the end. Remove it for space separated hex values instead). The best command line  Converts from Text string to Hex and vise-versa online. Linux Command Examples; Text to Hex Converter . Convert between Text and Hex quickly using this tool

Playing around with this further, A working solution is to remove the "*", it is unnecessary for both the original requirement to simply remove spaces as well if substituting an actual character is desired, as follows

echo -n "Hello" | od -A n -t x1 | sed 's/ /%/g'

%48%65%6c%6c%6f

So, I consider this as an improvement answering the original Q since the statement now does exactly what is required, not just apparently.

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Convert ascii code to hexadecimal in UNIX shell script, You can use %02x to get the hex representation of a character, but you need to make sure you pass a string that includes the character in single-quotes (Edit: It  I'm trying to convert "Hello" to 48 65 6c 6c 6f in hexadecimal as efficiently as possible using the command line. I've tried looking at printf and google, but I can't get anywhere. Any help greatly

Best String To Hex Converter Online, Keywords: hex decode endoce a string text, tool, on line, tech career tool, decoder. String Manipulation For Programmers For a comparison of string function  Example-2: Using ibase, command line argument and bc. Create a bash file named hextodec2.sh and add the following code. In this example, the input value has to give in the command line argument, which will be read by $@. Here, just ibase with 16 value is used to convert hex to the decimal number.

How to convert file data to plain hex?, How to easily convert to/from plain machine-readable hexadecimal data. In brief. I'm tired of digging of some special format strings. Use alias or The wc wordcount command tells us how many lines, words and characters are in each file. Inputs. String. You can pipe a string to this cmdlet. Outputs. ByteCollection. This cmdlet returns a ByteCollection.This object represents a collection of bytes. It includes methods that convert the collection of bytes to a string formatted like each line of output returned by Format-Hex.

Comments
  • What operating system? There are lots of "command lines"...
  • Have you looked in here: commandlinefu.com/commands/view/6066/… and here: stackoverflow.com/questions/2103698/…?
  • Hey, that works really well. Do you, by any chance, know of a way to get rid of the spaces???
  • echo -n "Hello" | od -A n -t x1 | sed 's/^ *//'
  • I believe you meant echo -n "Hello" | od -A n -t x1 | sed 's/ *//g'
  • Not only spaces, od forcefully inserts trailing LF which you don't want in most cases.