General :: How To Use Extended ASCII Characters
Apr 6, 2010
How can I use extended ascii characters, like ALT + 2 + 0 + 0 for instance? I'm using some of those characters for my passwords for online accounts made under MS Windows and it seams I'm unable to use them in Slackware 13. For instance: if I type ALT+2+0+0 in Pidgin there is no character displayed and if I type in the Terminal the same thing, it will replace my shell prompter (sasser@HOSTA:~$) with (arg: 200):
sasser@HOSTA:~$
(arg: 200)
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Mar 4, 2011
I have an application where the client is written in Visual Studio (C#), run on PCs, and the server end has traditionally been SCO. We're now migrating to Linux. I can, for example, input "Test This" in a text box on the client, and when the server end is SCO, it is able to 'accept' the character sent to it from the client. When I try this same example on Linux, that character (hex D1) does not 'make it' from the client to the server.
The problem is not on the client, and I have verified that the telnet connection is in fact passing these extended characters, but they are not recognized properly by the Linux server.In researching this, I've played with setting the LANG environmental variable from LANG=en_US.UTF-8 to several of the other possible values found in /usr/lib/locale, for a european locale (the end user is actually in Spain), and these 'euro' characters are still not handled properly in my application.Would anyone be able to point me to any specific env variable settings, and/or anything else that would resolve this issue?
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Jul 8, 2011
What command could I use in terminal to delete all ASCII characters? That is, delete a-z, A-Z, 0-9, and all punctuation? I have a file containing Chinese characters, and I want to remove everything else and leave just the Chinese.
I can use grep to leave only the lines that have Chinese in them, but this still leaves a lot of non-Chinese stuff on those lines. Does anyone know how I could actually remove everything that isn't Chinese?
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Mar 8, 2010
How can I filter ASCII quotes( ' ) and double quotes ( " ) so that I can replace them with the UTF-8 equivalent?If I copy text from a Word Document(ASCII), and upload it to a web page with PHP. The Database(UTF-8) will replace these racters with incorrect character(s).I need some function that will replace these characters but I don't know how to differentiate the ASCII quotes and the UTF-8 Quotes without (somehow) converting the string to hex, then preg_replace'ing the hex code for the symbol.
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Apr 26, 2010
Well, I have a web application in Linux server. All my Java codes are there. FYI, whenever user entered non-ASCII characters(e.g. ∞,�,�) in a text field in my web application, and I check the log of my Java code in Linux server, it returns weird characters.
Suppose user entered ∞ in the text field. I should get ∞ in my log too. However, I got weird characters in return.
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Mar 9, 2011
i want to print all ASCII characters kind of like a table, but i really don't have an idea of how to do it, i don't know if there is a built-in method or something to accomplish this, if not
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Feb 20, 2010
Say you wanted to write a bash script for "hello world" but the characters were shifted up or down by one.
How would one go about this?
Example:
Code:
Code:
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Jun 8, 2011
I am working on a project where I am dialing out of a modem!! Old stuff, ya, but the modem allows my device send info from remote sites from my datibase through a phone line so that this IT departments dont have to worry my device being a security issue on their networks.
Any way, the modem I'm using isn't incredibly well designed, and when a certain ascii char is read by the modem, it reads it as an EOF indicator. It is also important that the files I send are compressed.
My question is: Does anyone know of a compression format that allows ME to dissallow IT's use of certain ascii chars?
just as an illustration:
Device --------> Modem ---------> Off-site
and the Modem stops talking to the device when a certain char is passed to it.
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Jan 16, 2010
Banshee (Version 1.5.2) doesn't seem to support cover art for tracks that include non ascii characters in any way. All manual methods that work with ascii tracks failed (folder.jpg in album folder, copying appropriately named jpg in ~/.cache/album-art, embedding jpg in mp3 metadata). This is really quite a drawback for users who don't have an English-only music collection. Is there any workaround or bugfix that I missed or do I have to go back to Rhythmbox to have non-English cover art?
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Jun 25, 2010
I'm stuck with the problem of amarok refusing to play songs that have any non-ascii characters in the metadata, which is about 1/3 of my collection.A solution to that problem would be ideal, but if there is a good alternative (like amarok 1.x series) I would probably switch.
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Dec 9, 2009
In previous versions of Fedora I was able to do Ctrl + Shift + U, enter the Unicode number - i.e., 20ac, press Enter and get a euro character. In Fedora 12 I do not have that feature. My language is US English.
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Nov 7, 2010
I am using 'sed -e /foo/d' to match lines which I want to delete from a file. I discovered I have some lines which contain random (extended?) characters like 'ủ' which I would also like to delete. The lines in the file should only contain alpha numeric characters.
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Nov 13, 2010
Debian "squeeze" AMD64 Some filenames, containing accented or other extended ASCII characters are not shown both in Nautilus and Terminal, nor in Virtual Console.
I also noticed than when asking octave interpreter (ran from terminal) to display character range from 97 to 140 the output was:
On the other hand, when executing the same query in qtoctave the characters are displayed properly.
I've tried to change the font that the gnome terminal uses, to no benefit.
My default locale is en_us.utf8 and I am about to install every package that contains the prefix ttf
thank you for your time reading this
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Aug 28, 2011
While modifying the definition of my PS1, I saw that "[" and "]" markers should be added to help bash to compute the right display lenght. Many exemples on the web do not use them or even mention them.I searched for a solution to add them automatically, like with sed, but I didn't find any example.Are they still needed and is there a recommandation not to use sed to define PS1?
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May 20, 2010
how i can convert a text to ASCII? >>> ( to encrypt the text ) and how can we use the "hexdump"
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Feb 16, 2011
[URL] under Fedora 14 - Bash:
$ cat asdf | iconv -c -t ASCII
<a href="http://www.net-security.org/secworld.php?id=10607">biometric cabinet lock detects life in the finger</a>
ASDF
$
[Code]...
But theres no iconv under OpenWrt. Are there other working methods to convert a piped ( "|" ) text to only ascii format (under OpenWrt 10.03)?
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Oct 6, 2010
I'm used to holding the left Alt and entering the ASCII character whenever I'm using an unknown keyboard configuration and want to type a special character. For example, Alt-092 makes a backslash (). That's on Windows. Is there a way to do this in Ubuntu ?
Note : I also want to be able to use this in console mode. That means I don't want a solution involving a software with a GUI.
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Feb 10, 2011
Is there a known tool to convert a file consisting of 2 byte Hex into ascii?
Note: - Maintain file offset listing in bytes code...
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Oct 24, 2010
I want a command line tool that echoes a string in ASCII art way, like here.
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May 19, 2010
To encrypt the text, we take the word "python" and make it at least the same size as "welcome home" by repeating it as follows:
w e l c o m e h o m e
p y t h o n p y t h o n
Then, we convert each letter into its numerical ASCII value as follows:
w e l c o m e h o m e = 119 101 108 099 111 109 101 032 104 111 109 101
[Code].....
And, finally, we convert the numbers back into their corresponding ASCII character:
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Mar 16, 2011
is there command in linux which is able to convert binary (0101001010000100) to text like it means something
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Aug 3, 2011
This is weird, and I never noticed before, but now I have an application that is borking on weird things like when /etc/hosts is of one file format or another, and I don't even know the difference between the two (google doesn't tell much either). on CentOS 5.5/5.6 x86_64: a which on the following is an interesting tell:
vi = /bin/vi
vim = /usr/bin/vim
both are actually vim version 7.0.237 but sum differently, and although they are both actually separate executables in the stock installs of CentOS I've been building, on most distros, and older versions of CentOS it seems, vi is usually just a symlink to vim - but again, not in these fresh installs it seems. When I create a file with the 'vi' above, it defaults (usually) to "ASCII text" (but not always) When I create a file with the 'vim' above, it defaults to "ASCII English text" (and causes a particular application I'm working with to bork and barf). It seems the OS is installed by default yielding both file types too, as evidenced by the following:
[Code]...
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Nov 1, 2010
I recently installed a DisplayLink usb adapter on my desktop to use my tv as a second monitor because it had no vga socket, it works great only I can't use the tv as an extended desktop. The 2 monitors work perfectly seperately but I want to be able to use one as the main screen and the other as an extension. I am running Maverick on a P4 2ghz dell optiplex 260 and the output to tv is hd.
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Jun 16, 2010
I have my OpenSuse 11.1 box set up with utf-8, however, every time I try to open a file with utf-8 characters with vi it can't handle those characters properly.
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Mar 14, 2011
I'm trying to create an extended partition. In GParted, I shrunk the size of the existing partition and now want to create a new EXTENDED partition in the free, unallocated space. GParted only lets me create a PRIMARY partition. What am I doing wrong here?
Here's what I've got right now:
You can actually ignore the flag for the swap as "boot." That was me just messing around trying to get it to work. I've removed that flag. Not sure how the question of boot affects all of this...maybe it factors in somehow.
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Oct 14, 2010
I am installing opensuse on my laptop. Dual boot with Windows 7. Two partitions are already taken by windows. I am confused about extended partitions. I know I will need one because I can only have 4 primary partitions.
Here are the partitions I want:
Is there a certain order to create these? Does it matter which ones are primary partitions and which one are part of extended partitions?
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Aug 6, 2010
My new Debian box is running well and stable enough for me to decide to swipe out WindowsXP altogether. I have a 40GB HDD, which has the following partition scheme (after Windows was removed and hda1 was converted to Linux native type)
Code:
Device Boot Start End Blocks Id System
/dev/hda1 * 1 1762 13313159+ 83 Linux
/dev/hda2 1762 5168 25756889 f W95 Ext'd (LBA)
/dev/hda5 1762 3985 16813408+ b W95 FAT32
/dev/hda6 * 3986 5018 7809448+ 83 Linux
/dev/hda7 5019 5168 1133968+ 82 Linux swap / Solaris
As you can see, my Linux is in the 2nd logical partition hda6 which contained in the extended hda2. The 1st logical partion hda5 is the one I want to erase the data and convert to Linux filesystem in order to have more space. (Yes I can mount it ntfs-3g and use it without any problem, but I just want to say farewell to as many things Microsoft as possible) . What I'm worried about is whether it's safe to do that, without damaging the extented partition which contains the root file system for Debian.
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Jun 3, 2010
I'm trying quickly dig through our VPN logs for a list of class A ips , and I'm having trouble. I have a file with a list of numbers, one per line. I'm wanting to incorporate each number into an extended regex:
Code:
for i in `cat ips`; do zgrep -E '[[:space:]]$i(.[0-9]{1,3}){3}[[:space:]]' vpn1/2009.08.20.log.gz; done
If I substitute one of the numbers in for $i, it works for that number. For example:
Code:
for i in `cat ips`; do zgrep -E '[[:space:]]58(.[0-9]{1,3}){3}[[:space:]]' vpn1/2009.08.20.log.gz; done
I think the loop is passing literally "$i" to zgrep instead of its value due to the tics, and I can't figure out how to resolve this. I can't remove the tics b/c zgrep doesn't like that. Putting a backslash in front of $i doesn't work.and the number loop seems to be working fine:
Code:
for i in `cat ips`; do echo $i; done
1
14
27
43
[code]....
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Jan 26, 2011
Okay so first of all, let me give you a background info.I have an HP Mini 311 with a 250GB hdd and 2GB Ram. I have successfully setup a tripple-boot with SnowLeopard/Win7/Ubuntu10.10.Okay so
First, using "Disk Utility," I format the OSX partiton to Extended(journaled) and install OSX accordingly.
Second, I install Windows 7.
Third, I use Netbookinstaller to install Chameleon 2.0 onto the OSX partition.
Fourth, using DIskPart.exe i set the Win7 Partition(#3) as active and then run the Repair(and Restart) option in the Win7 USB install media, to fix some boot error I do not know much about. Then use"DIskPart. exe" again, to set the EFI partition(#1) as active partition again.I now have a fully operational dual-boot with SnowLeo and Windows 7.
I setup a triple-boot with SnowLeo/Win7/Ubuntu10.10 by using GParted to add and format 2 additional partitions. The first formatted Ext4 for Ubuntu to be installed onto and the second i set about 4GB as "Swap" area.Then i just install Ubuntu with the Grub bootloader being installed onto the same partition as Ubuntu.I now have a fully operational triple-boot with SnowLeo, Win7 and Ubuntu.So I saw this link about creating an additional "storage" partition, on a dual-boot system, and setting it up so that Windows 7 and Ubuntu can share the same files automatically.
I really want to set this up on my triple-boot system, and here is the problem i run into: Simply adding another partition, messes up my windows 7 boot entirely. And i figured out the cause of this might be due to harddrives only being able to handle 4 primary partitions. So i figure that if setup Ubuntu and the Swap-area into an Extended Partiton, this would solve all of my problems.I cannot figure out how to setup an extended partition on my harddrive without messing something use up irreparably. This is only my second
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Apr 18, 2010
I'm following the book RHCE book (5th edition) by Michael Jang. On the exercise on pg.140, creating partitions, I've created /boot (hda1), swap (hda2) and / (hda3). So far so good.
Next, I'm supposed to make an extended partition, containing the rest of the disk. So this should be hda4, right? But when I try to create either an LVM, or RAID partition, it creates hda4 AND hda5 under hda4. Why is that? Am I doing something wrong? The book next asks me to create /var as hda5, so if hda5 is already created automatically above, how am I supposed to create /var?
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