Questions tagged [control-characters]

Control characters are non-printing characters used to send signals to the output terminal.

Control characters are generally non-printing characters that are used to send signals to the output terminal.

More information is available on Wikipedia.

218 questions
0
votes
1 answer

Replacing weird control characters from sql server table

I have a sql server table where control characters appear when column is copied and pasted into notepad. I need to remove/replace these control characters. For example here is a text i copied from my sql server table into notepad How do i remove…
Wsi
  • 111
  • 1
  • 9
0
votes
0 answers

"ACK" character in XML causes subsequent fields not to be extracted (Python)

I'm using lxml to parse a XML file in python. One of the files has a field that contains an "ACK" character. All subsequent fields cannot be extracted. How can I skip this field if it contains non-standard characters like "ACK" and continue to…
Rayne
  • 14,247
  • 16
  • 42
  • 59
0
votes
1 answer

show the final look of a text file that contains control characters

I have a cronjob that runs a program whose output is redirected to a text file. During its execution, the program is showing a progression intended for the command line, with a final summary. My problem is that the progression is continuously…
Seki
  • 11,135
  • 7
  • 46
  • 70
0
votes
1 answer

Is there a term for characters that appear from ios logs like `\M-C\M-6` or `\134`

I'm trying to figure out the term for these types of characters: \M-C\M-6 (corresponds to german "ö") \M-C\M-$ (corresponds to german "ä") \M-C\M^_ (corresponds to german "ß") I want to know the term for these outputs so that I can easily convert…
Steve
  • 149
  • 1
  • 11
0
votes
1 answer

HP/Tandem TACL How to use the % as a value in the SQL like clause

In my TACL, I'm trying to create a variable used as input to an SQLCI command. I want to use a LIKE clause with a % as a wildcard. Every time it replaces the % with a ? causing the SQL statement to not return the desired results. Code snippitz: …
0
votes
0 answers

Non-printable control characters over serial port in C++ using WriteFile

I am trying to write a control character (CTRL-T, which is #20 in ASCII table) to the serial port using the WriteFile() function, but apparently it does not work. When I use putty and press CTRL+T, I receive a response over the serial port for…
Amir
  • 1
  • 1
0
votes
0 answers

Processing standard output for logs (process backspace and delete characters in a string)

When running a console application and redirecting the output to my own stream, I receive all the control characters used to create text based progress-bars and percentages etc... Writing this to a file and opening it in an editor shows these…
Louis Somers
  • 2,560
  • 3
  • 27
  • 57
0
votes
0 answers

Ignoring control character in json response

I have control character in my database table. I am retriving this data and sending the JSON response to client. How we can ignore the control character at time of sending the response in Java.
Kumar
  • 11
  • 4
0
votes
1 answer

Cannot deserialize text when character "" is found

I have a .net application that tries to deserialize a string using .net serializer. But looks like my serializer fails when  is found in the text. XML:  …
0
votes
4 answers

BufferedReader is not parsing ascii control characters when using readline

I am trying split some strings with ascii control characters from a text file and ultimately have the following output: Record1 Record2 Record3 Record4 My text file looks like this in notepad++: But when using BufferedReader to get the line from…
Nomad
  • 613
  • 2
  • 7
  • 15
0
votes
1 answer

Differentiating text keycode from control keycode in Android KeyEvent

There are 284 KeyEvent key codes. Some of them represent Unicode characters (like KEYCODE_A and KEYCODE_1), while others represent control characters (like KEYCODE_DEL). I am making a custom view that handles keyboard input. It gets most of its…
Suragch
  • 484,302
  • 314
  • 1,365
  • 1,393
0
votes
1 answer

How are seu control characters bph and sci added to create white and blue text?

How are seu control characters bph and sci added to create white and blue text? Whats the simplest way to do this? Is there a better approach to coloring text when using RDi? Using Google found a variety of techniques: How to change color of source…
mike
  • 1,233
  • 1
  • 15
  • 36
0
votes
0 answers

Determine if a a fie is printable

I'm writing a code that receives a file/byte array from multiply operation system and like to determine if such input is printable as a file. From the ASCII table we know that control character range is 0-31 but: Horizontal Tab = 9 and printable in…
Dolev
  • 654
  • 11
  • 20
0
votes
1 answer

Need .txt file that lists all ASCII Control Characters as single character entities/symbols

Control characters I'm talking about can be found here: http://ascii.cl/control-characters.htm I need the control characters as their single character length entity, not represented as an ASCII code, or the plain text of their symbol. See…
Wafer
  • 188
  • 3
  • 17
0
votes
1 answer

Different Code 128 barcode symbols representing the same data

I'm currently using software called LineView. It generates downtime reason codes for our factory lines. An operator scans the barcodes with an RS232 scanner and it goes into our XL board system. The software itself generates the barcodes within an…
Calum
  • 109
  • 8