bash backspace not working
By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Not working means when I tap the backspace it prints a white space in the terminal. Why do small African island nations perform better than African continental nations, considering democracy and human development? The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup, Announcement: AI-generated content is now permanently banned on Ask Ubuntu. Never even though to look at my login shell! Not the answer you're looking for? I'm seeing it now on my new Cygwin install, though it previously worked. Learn more about Stack Overflow the company, and our products. On Windows 10 (Fall Creators Update) both TERMs don't produce this error (at least for me). Is a PhD visitor considered as a visiting scholar? To update Windows 10 / 11, you should check for Windows Update in Settings. I used # stty -icanon to disable the 4k limit, but lost the ability to use backspace (erase). So a quick fix is as below: You can fix the Tab issue with the same as above. One of the easiest ways to fix this problem is to type /bin/bash at the command line interface prompt: $ /bin/bash The afore mentioned command will execute the Bourne Again Shell on top of the existing shell as a subprocess. Use This Guide), Cursor Disappears in Chrome? > > James Rich _____ This is the Linux 5250 Development Project (LINUX5250) mailing list To post a message email: [EMAIL PROTECTED] To subscribe, unsubscribe, or change list options, visit . Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. privacy statement. If you are using vi / vim text editor and the backspace key doesn't work in the insert mode, run the following command to fix this: :set backspace=indent,eol,start To fix "not working" backspace key in the insert mode permanently, add set backspace=indent,eol,start command to vi / vim configuration file in your $HOME directory. . The Backspace key isn't something you normally think about too much, but sometimes you might find it doesn't work correctly in the terminal, especially when logged in to a remote machine, echoing "^H" instead of erasing what you've typed. With over 10 pre-installed distros to choose from, the worry-free installation life is here! I'm seeing the same issue with a fresh Cygwin install. ctrl-v and then right arrow prints ^[[C but the shell doesn't seem to re-render the line correctly when used without it. To learn more, see our tips on writing great answers. Backspace and Tab keys might not work properly when you're logged in remotely to a Linux system. Thanks! So, if this does not work, it is worth trying out other below solutions. I have no opportunity to change the program script, this was just an example which represented my issue. Disconnect between goals and daily tasksIs it me, or the industry? Works for me on a bash integrated terminal in vscode. Clearly this is a regression in or triggered by ncurses 6.1; the changelog mentions some changes to xterm-256color. What I don't understand though is why my shell handles backspace as expected, but reading from stdin in my app does not. ether@jolteon MSYS /w Up arrow works but then the shell doesn't clean up the line with history inputs and just appends the history items to the line. Fortunately, you can also fix this with the stty command. 2) Type devmgmt.msc and press Enter. In the remote host, run #stty erase ^H. GitHub / (fixed after rebuilding bash): editing keys don't work in CLI in bash with TERM=xterm-256color . Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. This should help. See some explanation here https://unix.stackexchange.com/questions/131105/how-to-read-over-4k-input-without-new-lines-on-a-terminal. You can set this in your shell. typing echo xy does print y, but shows at the command line while typing as $ echo x y, and typing echo xy does print yx but shows at the input line as $ echo xyx. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. One correction to the information, is of their suggestion (for XTerm): While this will get XTerm to send the right character, and change stty to have backspace as ^?, it will still erroniously report ^H as backspace under some occasions, breaking i.e. Why is there a voltage on my HDMI and coaxial cables? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. If the backspace was working okay initially and no longer is then try using the "reset" command. Therefore I suggest you add the export TERM=xterm in bash_profile or bashrc. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Did you ever resolve this? Learn more about Stack Overflow the company, and our products. Backspace versus Delete On a Windows keyboard, the backspace key deletes characters. Is it with the keyboard or with the laptop? Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. Github IMHO has quite a bad code viewer. But only on Windows 8.1 using TERM=screen-256color or TERM=xterm-256color. Share Improve this answer Follow answered Aug 23, 2010 at 6:39 CarpeNoctem 2,407 4 23 32 Add a comment Your Answer Never experienced your problem. Try to install the Terminal Emulator Mintty (http://code.google.com/p/mintty/). So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. Super User is a question and answer site for computer enthusiasts and power users. Ctrl Z now works. If the issue is only with the Backspace key, you can try and disable the filter or sticky keys. @Alexpux, what's wrong with _FORTIFY_SOURCE=2? When pressing the backspace key Cygwin falsly interpreted it as a space. To learn more, see our tips on writing great answers. Does it do anything? same as cread -ignbrk brkint -inlcr -igncr icrnl -iutf8 -ixoff -iuclc -ixany imaxbel opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0 isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke, all special characters to their default values, Your shell may be set to /bin/sh instead of /bin/bash, on top of paul's answer, if you want to retain the ability to have colorful output, you can use xterm-88color. Solved: using "tab", "backspace" and "arrow" keys. What's the difference between a power rail and a signal line? Theres one solution to that, you can install the Shortcut chrome extension and override the default browsers settings or get used to the new keys combination introduced by Chrome: Now, in Chrome, you need to use the backspace key alternative, meaning a new set of keys to navigate. $ TERM=xterm-256color Is there any global settings where I can have this configurations done for all input? Browse other questions tagged. You'll see what code is sent as "erase". How to tell which packages are held back due to phased updates. I can backspace sometimes, but at other times it does nothing; the cursor doesn't go to the left, and absolutely nothing seems to happen.. Doesn't work for me, apparently the cache was cleaned at some stage. now copy all the files and folders that exist inside /usr/share/terminfo to the folder C:\cygwin\etc\terminfo - By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. For more information regarding what export TERM=xterm does you can check the following answer. However, it may not work for all users, as the underlying cause could be related to hardware. Its much worse if it happens to other keys on your keyboard as well. Disconnect between goals and daily tasksIs it me, or the industry? Please note 16.10 reached the end of its support cycle last month. with stty erase ^H or stty erase ^? 1) On your keyboard, press the Windows logo key and R at the same time to invoke the Run box. Today I ran pacman -Syu which upgraded the following packages (from the end of /var/log/pacman.log): After this update the arrow keys and backspace don't work correctly at the shell input line, in a weird way. I added in braces how they behave on my system: I had the same problem, using bash in Gnome-Terminal. Here is a patch I wrote which solves this issue, which was applied to 0.16.4 source but it should work on newer source with little tuning, let me know if you have problems. Ive heard many people complaining about the backspace key not working properly on Discord and this is the Discord glitch. Just happened for me as well. Reboot your computer and see if the problem is fixed or not. Acidity of alcohols and basicity of amines. Note that, @roaima @Kusalananda Thanks for pointing it out that OP didn't mention. . or stty erase "^?" depending on which of these you normally see when you hit your backspace. Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. But the terminal does seem to interpret \b (backspace) and \e[D (move one column left) correctly. rev2023.3.3.43278. I solved the problem by using ash.exe and run pacman -Syu bash in it. Why does my backspace key keep being unbound from erase? when I hit the Backspace key, I get a space. So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. Rebuild bash can fix the problem. Can Martian regolith be easily melted with microwaves? when in a cygwin, how can I display the windows folder where cygwin is installed? 3004 Nov 4 2000. within an xterm, I have to type ctrl-backspace to get the backspace to work, if I just type the backspace on it's own it just prints ^H characters. So I am seeing this problem, but my shell is bash. ether@jolteon MSYS /w Simply run Cygwin setup again and reinstall termcap and terminfo. When you make a purchase using links on our site, we may earn an affiliate commission. Note that on the command line, the backspace works as expected, but when my program (a simple TCP socket based chat client) is reading from stdin, the backspace character prints (echoes back to the screen) ^?instead of deleting the last character. /usr/share/terminfo/r/ . I'm running very simple script which reads line by line and prints entered line back to terminal: It works fine, but when I'm trying to edit line with backspace character it prints ^?instead of deleting character. And what the value of TERM you have tried? If that happens, the last line of text will not be passed to the body of the loop and will not be processed. How can this new ban on drag possibly be considered constitutional? Here what I did: In package manager due installation I selected to install xterm: X11 terminal emulator, after installation I added SET TERM=xterm to the .bat file (like proposed above), launched terminal and in Options -> Terminal menu selected Type=xterm, then restarted terminal. Now it does the 'usual' backspace. The best answers are voted up and rise to the top, Not the answer you're looking for? This worked for me! 2. Even am stuck on the same issue and from minty also backspace functionality is not working. ), HDMI 2.0 Max Refresh Rate & Resolution (Can You Get 144Hz?). Making statements based on opinion; back them up with references or personal experience. I also know of other people bumping into this issue, which, again, is quite a dealbreaker. So if you press ^H (that's CONTROL-H) and your key backs up but you hit the BACKSPACE key and it does not try using stty as follows: The '\' tells it that the next character is going to be a non-printable control-character and to accept it, not "interpret" it. Is it possible to rotate a window 90 degrees if it has the same length and width? Spacebar, Enter, or Backspace Not Working Method 1: Turn off Sticky Keys and Filter Keys In Windows 10, there are two functions - Sticky Keys and Filter Keys. It's because the default mintty TERM is xterm, and the issue appears to be related to TERM being xterm-256color - which is required for some programs to display more than 8 colors. ether@jolteon MSYS /w I hope that you will enjoy my blog. If that is not the issue: Open the Settings App Go to Update & Security - Troubleshoot Run the Keyboard troubleshooter If that does not resolve this for you Open Device Manager Expand the Keyboards section Right click your keyboard and choose 'Uninstall' Then restart your PC ___________________________________________________________________ I just installed Cygwin and the BACKSPACE functionality is not there, i.e. Filter keys are useful for easier typing than normal by deterring the keyboard from focusing on repeated or brief strokes. Then use bind '"\efoo":kill-word' to bind that to the kill-word command. Well, in reality, this is not the reason. It only takes a minute to sign up. How do I tell if a file does not exist in Bash? Click the Options button and enable the Control + Alt + Backspace check box under Key sequence to kill the X server. This key is known as the Del key on full-sized Macintosh keyboards. The backspace key not doing backspace is actually a common problem with Linux shells and terminals (see http://tldp.org/HOWTO/Keyboard-and-Console-HOWTO-5.html ). Has 90% of ice around Antarctica disappeared in less than a decade? I am using tmux to force the error since it uses an relatively uncommon terminal config. After removing and reinstalling via cygwin setup.exe I had this problem. Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? Mutually exclusive execution using std::atomic? This answer is specific to running is a Docker container and will not help in the OP's environment. printf "x\byz\e[D1" does print y1. I've emailed several times over the past year, but it doesn't seem like a priority. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? by choronzon Tue May 14, 2013 12:22 am. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Reinstalling does not work either and i cannot recompile it either because the bootstrapped version also cannot find itself. The PR linked just above should work around the crash, I hope. 31.3k 9 80 107. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Consider you're using bash as shell and vt100 as terminal: ps: TERM should be announced via ssh automagically, but in some circumstances this magic fails. Arrow keys and backspace not working in bash after recent update, ignore package upgrades for certain packages, https://bugs.archlinux.org/task/57300?project=1&string=ncurses, [MSYS2] Term=xterm-256color does not support backspace and command history correctly, (cosmetic) xterm-256color is unreliable when using MinGW manually, https://forum.voidlinux.eu/t/solved-problems-after-todays-update/4553, ncurses: Fix double-free and prevent crash, Arrow keys broken in msys2 bash programs after installing Terminal, (fixed after rebuilding bash): editing keys don't work in CLI in bash with. And what's the output of the. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. To avoid this, use VT100.backarrowKey: false instead, so: (see also https://wiki.archlinux.org/index.php/Xterm#Fix_the_backspace_key). TERM=blahblah . Do I need a thermal expansion tank if I already have a pressure tank? Well, the operating system comes with an integrated keyboard troubleshooter. His writing has appeared in Techopedia, TMCnet, and the Motley Fool blog network. How do I get the directory where a Bash script is located from within the script itself? So its not working. This is a big hope to restore the keys functionality to Chrome and other applications. How to match a specific column position till the end of line? Also the backspace key works perfectly fine on Git Bash I tried googling but didn't find what I was looking for! As an Amazon Associate, I earn from qualifying purchases. In case it helps. Linux is a registered trademark of Linus Torvalds. bash terminal: can the find and make duplicate text be extended globally--Apple? 6,402, 678 Maybe key mapping. To enquire how your keys are mapped: stty -a Look at the "erase =" subsection. Can I tell police to wait and call a lawyer when served with a search warrant? Take the backspace for example, the remote host expects some character to be used as "erase/backspace" , while you pressing backspace in the terminal , the terminal program will send some character to the remote host, if what the remote host expects diffs with the characters sent by the terminal program, you would encounter this issue. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. i newer had any problem with it so im curious. Apparently it was fixed for them after bash was updated, but I don't know it it was just rebuilt or maybe something else. :(. Share. After connecting from Fedora to an OpenWrt host with ssh the remote bash The cursor keys work too since the bash 4.4.0.19-1 and still with 4.4.0.19-2 . How could this behavior be fixed so backspace removes character instead of adding these characters? However, this does not impact our reviews and comparisons. Connect and share knowledge within a single location that is structured and easy to search. That will give you backspace capabilities in everything but emacs. to your account. This is also the case with the Sticky key. If you hit the "BACKSPACE" key and it does not go backward it's because the terminal is probably looking for a different character based on the TERM type. This solution is likely to work for most users. By clicking Sign up for GitHub, you agree to our terms of service and I found a solution to a problem that presented like the one above. 9 Ways To Unlock Mac Keyboard (2022 Update), Right-click your keyboard driver or software and select. remove the by typing a backspace. I have this issue as well. Ubuntu and the circle of friends logo are trade marks of Canonical Limited and are used under licence. How do I get to know the value of TERM? If your Backspace key is not working in the current console, you may try the following ways to work around it: Ctrl + Backspace Ctrl + H Ctrl + ? I've been trying to research this issue on Google, but did not find anything conclusive. Added on Nov 4 2000. Trying to delete characters in insert mode with the backspace key sometimes doesn't seem to work. I'd like to fix this frequent problem where the shell on a remote server thinks my terminal's backspace key is ^? Once you press [ENTER] you should be able to press your [BACKSPACE] key and have it backspace/delete whatever you typed. This did not fix the issues.. however, it did allow me to then perform an update via the plugins manager which got me to version 0.1.11638 which resolved the backspace issue and gives the wonderful ERD. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. Windows keyboards also have a Delete key, but this deletes characters in a forward direction. Most application will expect that you already have the emulator set to something compatible such as xterm or linux. Downgrading ncurses solved it for me. This is the solution to try if the Backspace key of the on-screen keyboard does not function. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Just to chime in the new ssp changes break building ncurses, undefined references to FILE in ssp/stdio.h and ssp/whar.h. Note that Docker is not mentioned by the user. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? Assuming ncurses 6.1 may break binary compatibility, it would need a rebuild of all packages which use ncurses. Problem with finding FILE strict is solved yesterday. So perhaps all packages depending on ncurses need re-compile? The older cygwin had a file /etc/terminfo/c/cygwin, but in the newer cygwin it expected the file to be /etc/terminfo/63/cygwin. (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. Look around putty's options menu for a "send hard reset" option as well. I cd to the bash dir of the msys2 packages repo and issued makepkg --skippgpchec -sCLf and it stopped/errored after some time with IIRC undefined type or something. I run: And I found that doesn't work. We try our best to keep things fair and balanced, in order to help you make the best choice for you. Normally you figure out which key code the shell sees and assign this to your desired "widget". This was the reason in my case.. for that particular user. Backspace doesn't work inside running bash script, https://unix.stackexchange.com/questions/131105/how-to-read-over-4k-input-without-new-lines-on-a-terminal, How Intuit democratizes AI development across teams through reusability. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. backspace problems, https://web.archive.org/web/20120621035133/http://www.ibb.net/~anne/keyboard/keyboard.html, https://wiki.archlinux.org/index.php/Xterm#Fix_the_backspace_key, How Intuit democratizes AI development across teams through reusability. I suspect I have to change a key translation table somewhere. .bashrc edit messes up terminal command arrow-up history print, Keyboard lockup when typing and random characters, gnome-terminal hides ending characters of the current path's first row, How to delete a tracker tag containing special characters. Check for the updates or try to quit and reset your Excel. Related Posts. Use # stty icanon to allow the "canonical (cooked) mode". By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. (2022 Edition), Can You Use Zoom on Firestick? SSD as primary or secondary drive on a small Linux server? Here's how you can easily remediate this issue. Most systems will recognize the latter as Backspace these days as physical terminals have largely been replaced by terminal emulators on PCs, but you may still run into systems that haven't been upgraded and still expect "Ctrl + H.", This is one reason you'll see old Unix hands jokingly use "^H" in messages in the same way people use ironic strikethroughs to indicate "Oops, you weren't supposed to see that!" The consent submitted will only be used for data processing originating from this website. There are also some distros that will run in . http://linux-journal.blogspot.com/2005/04/fix-vim-backspace-doesnt-work.html, Worked for me: In the Windows command prompt, type. If so, how close was it? One way to get around it is by including stdio.h before any of the ssp headers in ncurses. Thus, you should try one or all of them to get the key working again. I encountered this problem when I tried to add bash and use it in a distroless image. Most of us are aware of the on-screen keyboard or the virtual keyboard that Windows operating system provides. Where does this (supposedly) Gibson quote come from? vim set backspace backspace= backspace .vimrc set backspace=2 3 0 same as ":set backspace=" (Vi compatible) 1 same as ":set backspace=indent,eol" 2 same as ":set backspace=indent,eol,start" cp /usr/share/vim/vimrc ~/.vimrc set backspace=indent,eol,start Making statements based on opinion; back them up with references or personal experience. Is this possible? SSH only works if I specify the key with -i, change home folder permissions on exit/disconnect, Securely Piping String in Local Text File to Remote Command using SSH, Login SSH using RSA key instead of normal login. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Doing your suggested change results in backspace working for both. This also resolved a similar issue I was having with the cursor keys. You can check your TERM by running echo $TERM, but before you do this I suggest you restart your vscode as you have already set the TERM by using the command. Is it known that BQP is not contained within NP? You may notice this problem when you log in to remote machines over SSH, ones that run non-Linux Unix operating systems, particularly proprietary systems like Oracle's Solaris. bash terminal $ TERM=xterm-256color Minimising the environmental effects of my dyson brain. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. If it doesn't say "^H" this may be your problem. To do so: Now, check whether the key is working or not. Some more background to my problem/solution: I had a problem where I need to paste more than 4k characters. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I tried to google my problem a lot but didn't find solution that works for me. command but not successfully. In the terminal, press Ctrl + v and press your backspace. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. (Note: use Ctrl v + Backspace, do not type the ^ manually) You can fix the Tab issue with the same as above. In the terminal, type Ctrl v and press your backspace. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? It's available through the Cygwin installer. If the above fail to work, the last resort, you may interrupt the current line to start it over in the new line. https://ci.appveyor.com/project/zklhp/msys2-packages/build/1.0.16/artifacts. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace.
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