Decoding non printing characters

I am working with a VI that invokes a telnet session. The responses come back in multiple line formats. What's a quick way to translate the non-printing characters so I can see what to use for delimiters? Using platform dependent EOL does not work which I expected since this data is coming straight from the UUT.
Thanks,
jvh
Solved!
Go to Solution.

jvh75021 wrote:
I am working with a VI that invokes a telnet session. The responses come back in multiple line formats. What's a quick way to translate the non-printing characters so I can see what to use for delimiters? Using platform dependent EOL does not work which I expected since this data is coming straight from the UUT.
Thanks,
jvh
I will noramlly put the data in a string indicator and set it for either slash code or hex display. If that gets to hard to read, cast the string as an array of bytes and display that.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

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Hiding non printing characters

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so use the Document
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Hi,
I was cutting and pasting code from a post
http://forum.java.sun.com/thread.jspa?forumID=54&threadID=766671
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So something else must have been a problem. But
without any error messages or other details, I
couldn't possibly tell what.After I read your reply I thought; maybe I did screw up somewhere else, so
I did the copy and pasting again to try and reproduce the errors.
I copied from the forum and pasted into TextEdit.
Saved as plain text (UTF-16)
I tried to compile and got the following results.
Since I pasted into JEdit and everyrthing compiled
I figuered the problem had to do with editor, or formatting.
Welcome to Darwin!
bill-macleods-computer:~ bill$ cd desktop/test2
bill-macleods-computer:~/desktop/test2 bill$ javac *java -d ~/desktop/test2
JavaTester.java:1: 'class' or 'interface' expected
??/* File: JavaTester.java
^
JavaTester.java:1: illegal character: \731
??/* File: JavaTester.java
^
JavaTester.java:1: illegal character: \0
??/* File: JavaTester.java
^
JavaTester.java:1: illegal character: \0
??/* File: JavaTester.java
^
JavaTester.java:1: illegal character: \0
??/* File: JavaTester.java
^
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??/* File: JavaTester.java
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??/* File: JavaTester.java
^
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??/* File: JavaTester.java
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JavaTester.java:2: illegal character: \0
^
JavaTester.java:2: illegal character: \0
^
JavaTester.java:2: illegal character: \0
^
JavaTester.java:2: illegal character: \0
^
JavaTester.java:3: illegal character: \0
package com.company.javatester.gui;
^
JavaTester.java:3: illegal character: \0
package com.company.javatester.gui;
^
JavaTester.java:3: illegal character: \0
package com.company.javatester.gui;
^
JavaTester.java:3: illegal character: \0
package com.company.javatester.gui;
^
JavaTester.java:3: illegal character: \0
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^
JavaTester.java:3: illegal character: \0
package com.company.javatester.gui;
^
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^
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^
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^
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^
JavaTester.java:5: illegal character: \0
import com.company.javatester.data.QuestionDAO;
^
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import com.company.javatester.data.QuestionDAO;
^
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JavaTester.java:5: illegal character: \0
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^
JavaTester.java:5: illegal character: \0
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^
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import com.company.javatester.data.QuestionDAO;
^
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^
JavaTester.java:6: illegal character: \0
import javax.swing.*;
^
JavaTester.java:6: illegal character: \0
import javax.swing.*;
^
JavaTester.java:6: illegal character: \0
import javax.swing.*;
^
JavaTester.java:6: illegal character: \0
import javax.swing.*;
^
JavaTester.java:6: illegal character: \0
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JavaTester.java:7: illegal character: \0
^
JavaTester.java:7: illegal character: \8224
^
JavaTester.java:7: illegal character: \0
^
JavaTester.java:8: illegal character: \0
^
JavaTester.java:8: illegal character: \0
^
JavaTester.java:8: illegal character: \0
^
JavaTester.java:8: illegal character: \0
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
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* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: unclosed character literal
* A Java testing application. It provides user's with various java related
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* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:9: illegal character: \0
* A Java testing application. It provides user's with various java related
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
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JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
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^
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^
JavaTester.java:10: illegal character: \0
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^
JavaTester.java:10: illegal character: \0
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^
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^
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^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
JavaTester.java:10: illegal character: \0
* questions. It can be run as either an applet or an application. If it is
^
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* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
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JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
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JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
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JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
JavaTester.java:11: illegal character: \0
* run as an applet, then the applet will need to be signed if is to access
^
100 errors
bill-macleods-computer:~/desktop/test2 bill$

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Edited by: user13496918 on 2013. 3. 20 오후 7:39
Edited by: user13496918 on 2013. 3. 20 오후 9:17
Edited by: user13496918 on 2013. 3. 20 오후 9:18

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sure that you use a Font that has representations for
all the UNICODE characters you wish to display. It is
normal for any character that does not have a valid
glyph in a gien font to display as a box.That infrastructure exists and is working fine ... as I mentioned
this is working OK when plain text is being used.
The problem was with using the getBytes() rather than getBytes("windows-1256")
Its working now ... thanks alot .. again. I wonder how that never occurred to me.

Cannot rename file with non-ASCII characters when using the

My application moves files from one directory to another by calling File[] srcFiles = srcDir.listFiles() to get a list of files in the source directory, and then calling srcFiles.renameTo(destFile) to rename each file.
This does not work (renameTo returns false and the file is not moved) under the following circumstances:
- the file's leaf name contains non-ASCII characters, for example "�"
- the OS is Solaris 9
- the LANG and LC_* environment variables are unset, i.e. the C locale is being used
If I set the LANG environment variable to, for example, en_GB.UTF-8 then the rename succeeds.
I have tried calling srcFiles[index].getName().getBytes("UTF-8") and the non-ASCII characters are being replaced with ? (0x3f) characters when LANG is unset.
Is this a bug in the JRE? I would argue that since my code does not actually manipulate the filename (I just use the File object that File.listFiles() gives me) then the rename should succeed. Of course I would not expect the file name to be displayed correctly if I printed it out.
I have reproduced this behaviour with JDK 1.4.2_05 and 1.5.0_04 on Solaris 9.
Francis

Thanks for the info Alan.
I considered setting the locale in the environment (this sounds like the "correct" fix to me and we might implement it later), but this application shares a WebLogic server with many other applications so we would have to do a huge amount of testing to make sure that the locale change wouldn't break the other apps. In the end I worked around the problem by making the code that generates the filenames in the first place strip out any non-ASCII characters (the names of the files are not critically important).
Looking forward to JSR-203, in the meantime perhaps a note about this behaviour in the java.io.File javadoc would be useful.

Prevent Non-English Characters on JSP forms

I was hoping to get any programming tips/ideas to prevent users from entering non-english text on web-forms.
Any feedback would be greatly appreciated. Thanks.

I have a jsp page something like:
<tr>
<td colspan=2> </td>
<td colspan=2>
<textarea name="title" cols="<%=cols%>" rows="3" wrap><%= form.getTitle()%></textarea>
</td>
</tr>
When the user submits the page, I do the form validation in the java formhandler. I was hoping that I could somehow compare the ascii codes of the character to ensure user is entering only english characters.
The following is the code, I have written in java the form-handler
for (int i =0 ; i < title.length() ; i++) {
     char c = title.charAt(i);
     System.out.println("c = " + c + ", ascii = " +(int)'c');
     if (int(c) > 127) {
          setErrorMessage(ID.QUESTION.TITLE, "Non-English characters are not allowed. Please enter the required information only in Enlgish.");
But for some reason which I am not able to debug, is that no matter what character I enter english or non-english its ascii equivalent i.e. the int(c) value getting printed out is always 99. Moreover even if I enter a non-english character, in the system.out it is printing its english equivalent...if that makes any sense...
I hope I was able to explain my problem...Any help/feedback would be greatly appreciated.
Thanks.

Non-ANSI characters in Java

class test {
public static void main (String[] args) {
System.out.print("새");
}Is it possible to print non-ANSI characters like the above? Since obviously saving this code in ANSI will remove the non-ANSI characters.

The code you posted runs OK on my computer - both in Eclipse and in the console. It prints a character somewhat like a rugby player about to attempt to convert a try.
Korean, I think.
Anyway Google thinks so. It directed me to this web site which has the character as its page title. www.woorimal.net/hangul/hyundai-poem/sae.htm
The poem in question has the English title "New".
1
Non covered the sky
Both divers ability of the wind
Come Athens
Both the shade of trees, birds
Sing. It is patterned knowledge of the line
It is knowledge of the bird line 19
Two Judgment beak,
Two die in the ward
Warm temperatures (体温) divide.
2
Bird uleo
Rather than creating it.
Presented gyotae (娇态)
Love is the expression (假饰).
3
--- Catcher Schneider is a cracker
As a pure (纯粹) targets, but
It is meant shooting
A wet blood saee nothing more than a virtual (伤)

Decoding non printing characters

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