How to convert byte array to string in bash code Linux

Question

I`m trying to find equivalent code in bash (Linux) to C# code.

I have this C# code:

// C# to convert a byte array to a string.
byte [] dBytes = ...
string str;
System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding();
str = enc.GetString(dBytes);

I'm running bash on fedora Linux machine.

I`m getting in bash a file containg all the byte array as text seperated by whitespace like this:

"72 0 101 0 108 0 108 0 111 0 32 0 87 0 111 0 114 0 108 0 100 0 33 0"

any ideas?

I think you should publish a short extract of your file that you're trying to read — Brian Agnew
– Brian Agnew, Commented Mar 6, 2013 at 9:47
Just a random thought: if you have C# code that is working - have you considered using Mono? It sounds like you are trying to convert this to bash: what have you tried? — Marc Gravell
– Marc Gravell, Commented Mar 6, 2013 at 9:52
+1 to Marc's suggestion. Another random thought, if you are running on Linux, you have the runtimes for a number of programming languages by default, that you don't get with Windows. You could do this really easily with python, and then run the Python script from Bash. Just a thought! — JMK
– JMK, Commented Mar 6, 2013 at 10:00
i already have a script in bash and i need to add another function to it that can do this — gil kr
– gil kr, Commented Mar 6, 2013 at 10:00
I suppose python could work, i tried to avoid it so the entire code will be in one script but if there is no way to accomplish this in bash... — gil kr
– gil kr, Commented Mar 6, 2013 at 10:02

gil kr · Accepted Answer · 2013-03-06 12:38:08Z

0

Eventually i did it in python and called the python script from my bash script:

file = open('xx.txt', 'r')
inputText = file.read()
split = inputText.split(" ")
noZeros= filter (lambda a: a != "0", split)
results = map(int, noZeros)
final = "".join(map(chr, results))
print final

answered Mar 6, 2013 at 12:38

gil kr

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Comments

Esailija · Accepted Answer · 2013-03-07 08:51:32Z

0

Those bytes are in UTF-16LE encoding, not UTF-8. Your python script should just be:

file = codecs.open('xx.txt', 'r', 'utf-16-le')
ustring = file.read() #this is a unicode string, not a normal python string
print ustring

answered Mar 7, 2013 at 8:51

Esailija

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