The null character, abbreviated NUL, is a control character with the value zero.
Questions tagged [null-character]
101 questions
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1 answer
ValueError: rename: embedded null character in dst
I'm trying to rename my media file names based on the metadata.
File name format is song name - artist name
import os
from tinytag import TinyTag
import re
for root, dirs, files in os.walk("C:/Users/username/Desktop/Music/"):
for name in…

Julian
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Remove null character (\x00) in between buffer of byte array : Qt
I am using readAll() method of QSerialPort class to read data from the virtual COM port.
I am getting two response from my hardware board.
1. Acknowledgement ("10") string
2. Query Data (";1395994881;1.0.0") string data
as a QByteArray :…

AB Bolim
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3 answers
in java, change size of char array with null character
The following code (from "Cracking the code interview", from Gaale Laakman), shows how to remove duplicate characters in a char array without using a copy of the array to avoid some extra memory use. It re-writes the final characters in the first…

sarah vb
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Loop seems to terminate before reaching the null character in C
Below is a section of a Tokenizer I built. The user types a string they wish to tokenize, that string is stored into a char array, and a null character ('\0') is placed as soon as the string ends. That section of the code seems to work fine after…

Omar Khalik
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Null character deleting rest of output in TextBox and RichTextBox
I have came across this annoying feature/bug. Assume I have a string with trailing spaces like the following:
string value = "someValue ";
The amount of spaces can vary. So I try to show it in a TextBox enclosed in begin and end tags to see how…

Mong Zhu
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Remove junk characters from a utf-8 file in Unix
I'm getting the junk chars (<9f>, <9d>, <9d> etc), CNTRL chars (^Z,^M etc) and NULL chars(^@) in a file. However I was able to remove CNTRL and NULL chars from the file but couldn't eliminate the junk characters. Could anyone suggest a way to remove…

user2975559
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Using cut on null character inside variable
GNU bash, version 4.3.42(1)-release
Trying to deliminate on a null character, but bash doesn't seem to keep the null character in a variable.
$ echo -e 'hello\0goodbye' > testlist
$ cat testlist | cut -d '' -f1
hello
$ foobar=$(echo -e…

Miati
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2 answers
String Initialization in c
I am quite new to C programming so feel free to correct me, I insist. My basic understanding of strings in C is when we initialize a string a null character is automatically assigned at the end of the string and the null character cannot be read…

ritam bala
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Trying to grep a find -print0 causes strange behavior
I have a folder full of directories/files with spaces in their names, and I want to copy all of the *.ttf files to another directory except for the folders Consolas and System Volume Information. Following this post, I tried:
find ... -print0 |…

James Ko
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How can I delete all null characters from a file?
I had a directory with a lot of PGN chess files, from which I wanted to remove the move times (written as [%emt {a_number}]. I wrote this script:
regex = /\[.emt[^\]]+\]/
directory = "path/to/files"
extension =…

EMBLEM
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2 answers
Copy string data with NULL character inside string to char array
I am trying to copy one string to char array, string have multiple NULL character. My problem is when first NULL character encountered my program stops copying the string.
I have used two approaches. This is what I am so…

someone
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What are the ramifications of null bytes and multipart/form-data?
A third party is sending us a flat file that is supposed to contain exclusively printable ASCII characters. However, we've discovered that there's a string of about 50 0x00 bytes in the middle of the file.
We want to be able to upload the file to…

Joe Holloway
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How to initialize a string in java without causing the initialization to cause problems in the program?
I recently wrote a program to convert a string from infix to post-fix in java!
To do that i used two strings 's' and 'p'.
I initialized both strings with 'NULL'.
Then i got the value of s from user using Scanner class.
s=s1.nextLine();
so if user…

user2839702
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null character inside string
From Rules for C++ string literals escape character ,Eli's answer
std::string ("0\0" "0", 3) // String concatenation
works because this version of the constructor takes a char array; if you try to just pass "0\0" "0" as a const char*, it will…

Zxcv Mnb
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5 answers
strcpy() of a small string into a bigger string leaves the rest of the bigger string unchanged.How to deal with it?
Here in this sample program to illustrate this behavior of strcpy(),I wrote a string "S" into a bigger string previous which original had "Delaware".But this overwriting only affects the first two characters in the original string.The rest of the…

Rüppell's Vulture
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