Perl script backspace not working for Unicode characters
Hello,
My Perl script reads input from stdin and prints it out to stdout. After I read input I use BACKSPACE to erase characters. However BACKSPACE does not work with Unicode characters that are multi-bytes. On screen the character is erased but underneath only one byte is deleted instead of all bytes of the character, which makes remaining bytes incomplete UTF-8 characters. Here's my script:
I am using bash in a Putty terminal with UTF-8 encoding. Everything on Unicode works fine in shell including BACKSPACE. It is only a problem in my Perl script. Can anyone help? Thanks.
Hello,
I've written a Perl script that prompts for asnwers to questons. At those prompts, the backspace key shows up as ^H^H.
I would like the users to have the ablility to use the backspace key. I'm running bash shell and don't otherwise have this problem.
Any help would be greatly... (4 Replies)
I have a stream of characters like "\u8BBE\u5907\u7BA1"
and i want to display it.
I tried following things already without any luck.
1) printf("%s",L("\u8BBE\u5907\u7BA1"));
2) printf("%lc",0x8BBE);
3) setlocale followed by fwide followed by wprintf
4) also changed the local manually... (3 Replies)
hi,
I have a problem with unicode chars ( chinese, japanese etc ) insertion using sqlplus prompt.
When i wrote a proc program for it i am able to create records.
But when i fore the same query on sql prompt it stores reverse ????? ..some junk.
widechar columns are mapped with NVARCHAR datatype.... (0 Replies)
I have a csv (tab delimited) file that is created by an application (that I didn't write).
Every so often it throw out a <U+FEFF> (Zero Width no break space) character at the begining of a tabbed field. The charcater is invisible to some editors, but it shows up bolded in less.
The issue is... (3 Replies)
Hi,
How do I remove the lines where special characters or Unicode characters appear?
The following query does work but I wonder if there is a better way.
cat test.txt | egrep -v '\)|#|,|&|-|\(|\\|\/|\.'
The following lines show that my query is incomplete.
Warning: The word "*Khan" is... (1 Reply)
Hi,
My program uses gl_get_line from libtecla to get user input from terminal. It works fine as long as I enter English at the terminal prompt. However, if I enter other languages, such as Chinese characters, either by typing in or cut-and-paste, the input characters get cleared from terminal... (5 Replies)
Hi ,
I have to press shift + Backspace to do backspace on my unix termminal everytime. How can i configure it to a normal backspace only.
Please help me here. PFB the contents of the stty -a :
dbtgr@hpxi017:/pocuser/C5/aimsys/dbtgr> stty -a
speed 38400 baud; line = 0;
rows = 35; columns =... (4 Replies)
Hi friends,
Hope u r doing well. It is a very strange problem that I've never faced when I used linux or freebsd. When a type a command in Solaris 10, and if I make a mistake, the backspace doesn't work, when I press the backspace key three times forexample, this is what I get, ^H ^H ^H. The same... (2 Replies)
Friends,
I observed a peculiar problem in shell.
if I set a variable using standard input and backspace was used by the user, then the variable get ^? characters embedded in the variable.
###
echo "Enter value for X="
read X
echo $X
expr $X + 1
###
If the variable is echoed, then there... (3 Replies)
Hi all,
I have a shell script that has several strings with \uxxxx characters distributed within. I would like to display these characters when I execute the script and echo the strings. I am running on zos in an sh environment. Some strings look like this:
"Chcete-li pou\u017e\u00edt" <---... (1 Reply)