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. Mutually exclusive execution using std::atomic? This may seem strange, but the Linux console emulates a VT100 terminal, and this is the way things work in that realm. This malfunctioning means the issue lies in the keyboard driver. To do this, press Fn+Esc keys to lock and unlock the funtions touchs. Something must have gone wrong with the keyboard software or the keyboard has undergone some damage. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). So, I'm new to VS code just installed it and I'm having an issue. SSD as primary or secondary drive on a small Linux server? Confirm it fixes the crash for me, thanks. when you hit the "backspace" key. to my .bashrc but this only fixed the issue 80% of the time. Does Counterspell prevent from any further spells being cast on a given turn? Do new devs get fired if they can't solve a certain bug? FWIW, my original /usr/bin/bash.exe is from 2017-02-15, so almost a year old, and building a fresh one (same version 4.4.12(1)-release (x86_64-pc-msys), using makepkg) did fix it for me. As an Amazon Associate, I earn from qualifying purchases. Can Martian regolith be easily melted with microwaves? If this is the reason, you will have to run your antivirus or antimalware software to get rid of the malware. typing echo x
y 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. $ echo $TERM Why is there a voltage on my HDMI and coaxial cables? Alternatively, just dont go full-width with your screen. Note: if you already installed cygwin just run installer again and add xterm package. 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. ctrl-v and then right arrow prints ^[[C but the shell doesn't seem to re-render the line correctly when used without it. Hello, I have the same problem. Hmm ok scratch that, for some reason one of the updates had deleted the fstab file, after recreating it it worked again. Why doesn't the backspace key work in insert mode? But it worked like a charm to me thanks to Yuksel, The problem was with 'termInfo' files, Steps he have suggested, confirm if the problem is terminal related by typing in CygWin Terminal, this should give (ignore the warning), WARNING: terminal is not fully functional, Get the information of 'TermCap' to which path or directory it is related to by typing below code in CygWin Terminal, infocmp: couldn't open terminfo file /usr/share/terminfo/63/cygwin, Or you might also get something starting with text like 'Reconstructed via infocmp', Run the below code in CygWin Terminal to run the diagnostics to get extra details about the path where the files are saved, that should respond you similar to below text, C:/cygwin / system binary,noacl, C:/cygwin/bin /usr/bin system binary,noacl, C:/cygwin/lib /usr/lib system binary,noacl, C:\cygwin\etc\terminfo /usr/share/terminfo system binary,noacl, cygdrive prefix /cygdrive user binary, noacl, posix=0, auto, from the output, you got from the 3rd step. Fix backspace/delete when ssh'ing into Linux machines Trying to delete characters in insert mode with the backspace key sometimes doesn't seem to work. Beside "stty" solution, you may try the "TERM" solution. 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. Getting Delete and Backspace to work just right is nontrivial, especially in a mixed environment, where you talk to console, to X, to bash, to emacs, login remotely, etc. Let know if my zshrc (at the bottom) is incorrect or if there are incompatible plugins or keybinds listed. Hope this helps someone. (NOT fixed after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. I hope that you will enjoy my blog. $ TERM=xterm I'm seeing the same issue with a fresh Cygwin install. If you preorder a special airline meal (e.g. Would you mind sharing your build procedure? ether@jolteon MSYS /w How to Process a File Line by Line in a Linux Bash Script My understanding is that the shell handles stdin buffering, so shouldn't the backspace-handling be the same for both the shell and an app? What would work is to use two backspaces, which gives the non-intuitive correct result: 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. 78.1k 28 392 615. answered Sep 30, 2015 at 11:52. Basically, each time you hit backspace your cursor is moved to the beginning of the text field. In my case, the remote machine doesn't support "screen-256color": so either modifying the tmux config or setting directly export TERM="xterm-256color" would solve the problem. ether@jolteon MSYS /w Linux OX for apache and php etc on a windows XP PC? On the other hand, I also have another account on the same machine & when I ssh through this account, its terminal works perfectly fine. you tell athena what to expect for the backspace key. TERM=blahblah . terminfo file from source host to remote host directory: Ctrl Z now works. Asking for help, clarification, or responding to other answers. I am seeing this problem, but my shell is bash. vegan) just to try it, does this inconvenience the caterers and staff? equivalent of backspace in ksh - UNIX 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 + ? Backspace, Tab not working in terminal (using ssh), cyberciti.biz/faq/howto-set-bash-as-your-default-shell, I followed the advice in this old reddit post, How Intuit democratizes AI development across teams through reusability. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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 not working, even after attempted fix, pkg-config on cygwin will not find the gsl package. 1518273 Jan 19 2014 edited Jan 19 2014. This answer is specific to running is a Docker container and will not help in the OP's environment. Backspace, Spacebar, Enter Key Not Working? Fix It Easily! - MiniTool @SomeCallMeTim: I was able to fix this issue by using Minty, cygwin behaves in very wierd manner at times. And what the value of TERM you have tried? However, it may not work for all users, as the underlying cause could be related to hardware. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? This is how to fix backspace not working in Word: There are no settings in Excel that would block the backspace key so if you have tried all the 8 fixes mentioned above chances are that its just a software issue. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. Currently I have ASCII DEL. Not sure why it didn't previously, I guess I accidentally ran it in mingw env while now I did it in msys2 env. You can even remove the Backspace key to know whether it is damp or covered with dust and clean it completely. I tried vt100. Not sure cygwin has good terminal emulation, as far as I know, cygwin just using regular windows console which lacks terminal emulation (may be wrong). i newer had any problem with it so im curious. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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? Google has wittingly removed this shortcut, beginning from version 52. However, this shortcut is implemented by the X server and may not work if X hangs in some ways. Fortunately, you can also fix this with the stty command. @whtyger this worked for this script. Never even though to look at my login shell! Space instead of Backspace in Cygwin Bash Problem - Matthias Kerstner I encountered this problem when I tried to add bash and use it in a distroless image. This also resolved a similar issue I was having with the cursor keys. I get space when i hit backspace on both minty terminal as well as cygwin terminal, @Rachel Did you ever resolve this? You can now navigate webpages in Chrome by pressing Alt + left arrow to open a previous page and Alt + right arrow to move forward. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. Go to Start , then select Settings > Ease of Access > Keyboard, and turn on the toggle under Use the On-Screen Keyboard. You need remove -D_FORTIFY_SOURCE=2 from CPPFLAGS in makepkg.conf file. I couldn't figure out why is this happening. Pressing backspace with root gives weired character in putty You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. When you make a purchase using links on our site, we may earn an affiliate commission. How does Java process the backspace terminal control character? After connecting from Fedora to an OpenWrt host with ssh the remote bash Theoretically Correct vs Practical Notation. How could this behavior be fixed so backspace removes character instead of adding these characters? I got linux on my PC and prefer the tcsh shell. rev2023.3.3.43278. So guess it might need some patches to get around this. Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. Backspace Not Working on VS Code's Bash Terminal Using indicator constraint with two variables, How do you get out of a corner when plotting yourself into a corner, Identify those arcade games from a 1983 Brazilian music video, Trying to understand how to get this basic Fourier Series, Redoing the align environment with a specific formatting. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. They don't have a public issue tracker. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? The best answers are voted up and rise to the top, Not the answer you're looking for? (Only after rebuilding bash): bash aborts after setting TERM to some dummy name, e.g. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It is useful when the physical keyboard has stopped working well. rev2023.3.3.43278. Either the last space will get erased (backspace functioning correctly, delete. by choronzon Tue May 14, 2013 12:22 am. ```. It's like the shell reads the keys correctly but not able to re-render the input line correctly. in my .bashrc file, and use some other terminal to access the server, it often ends up wrong. Doing your suggested change results in backspace working for both. You may have to check the "Hide Obsolete" checkbox for term to appear in the search. when in a cygwin, how can I display the windows folder where cygwin is installed? Thanks for contributing an answer to Super User! If there are problems with cygwin, I even tried it from ubuntu terminal, but same problem. Keep in mind that we may receive commissions when you click our links and make purchases. So its not working. Connect and share knowledge within a single location that is structured and easy to search. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. Logged in to "-bash", not to "bash". Please help. A place where magic is studied and practiced? How do you ensure that a red herring doesn't violate Chekhov's gun? I used # stty -icanon to disable the 4k limit, but lost the ability to use backspace (erase). Something tells me we should hold off on this version untill it becomes more stable. To change the key mapping of the backspace key to normal: stty erase "^H" Login or Register to Ask a Question Previous Thread | Next Thread By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. vimvim backspace - I have tried all 5 options but none of them fixed the issue. Slow Requests on Local Flask Server; Automatically setting the id HTML attribute of a form element in flask-wtforms; Docker-compose flask app not printing output from 'print' printf "x\byz\e[D1" does print y1. An example of data being processed may be a unique identifier stored in a cookie. 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. On a Macbook, this key is known as the Delete key. When I ssh into another machine with Debian with my account(with sudo permissions), my backspace key generates some awkward symbols on pressing. Most of us are aware of the on-screen keyboard or the virtual keyboard that Windows operating system provides. @Alexpux, what's wrong with _FORTIFY_SOURCE=2? Something wrong with shell or termcap library on debian. How to have bash write two bash history files without changing bash source code? Add a comment. Weve got you covered, so lets go through 8 ways to fix the problem: When it comes to fixing the Backspace key, there are a few solutions to execute. Share. I don't want to apply a bandaid by setting TERM variables to something other than what was working before my mishap. One of them is to clean the keyboard such that all dust and dirt go away. Therefore I suggest you add the export TERM=xterm in bash_profile or bashrc. If you preorder a special airline meal (e.g. Check for the updates or try to quit and reset your Excel. I have this issue as well. [still broken rendering] US, UK etc. For more information regarding what export TERM=xterm does you can check the following answer. Readers like you help support MUO. Browse other questions tagged. Thanks for contributing an answer to Ask Ubuntu! (7 Things That Will Help You! 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. Copyright 2020-2023 Techtreatbox.com | All rights reserved. If you have tried all the above-mentioned fixes and nothing works then chances are that its a software-specific issue. If the backspace was working okay initially and no longer is then try using the "reset" command. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. After removing and reinstalling via cygwin setup.exe I had this problem. Following change made it work, Found this at If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Backspace doesn't work inside running bash script - Ask Ubuntu So You ssh to your Debian from some terminal (putty, solaris dterm, debain xterm, you-name-it), this termninal announce capabilities (which includes keys such as Backspace and Tab) via TERM environment variable. You should be able to configure what exactly is sent when pressing the Backspace key in your terminal emulator's settings. This deletes the but I am getting: > ls foo.c ls: cannot access 'foo.c'$'\303': No such file or directory. How to tell which packages are held back due to phased updates. If the key works, it means that your physical keyboard is somewhat damaged or broken. Solved: Hi I am connecting my HP-UX thru Telnet using putty. Not working means when I tap the backspace it prints a white space in the terminal. You should see something like "^ [foo". To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Even am stuck on the same issue and from minty also backspace functionality is not working. If you hit ^L you can see that backspace IS working. Thanks for contributing an answer to Super User! 32 related questions found. 0. Say it is ^H . 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. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! You can put this in the shell's startup file, such as .bashrc for Bash and .zshrc for Zsh to have this set automatically when you log into the system. But there is a far simpler way found here: Have a question about this project? I cant reproduce issue on my computer. When Backspace Key is Not Working in Console - Ed Chen Logic Can you give more details of how you installed and invoked Cygwin, and where exactly the backspace key fails to work? Re: [LINUX5250] destructive backspace patch (was: I'm back His writing has appeared in Techopedia, TMCnet, and the Motley Fool blog network. Data Structure & Algorithm Classes (Live) System Design (Live) DevOps(Live) Explore More Live Courses; For Students. You can check if there are any mappings set, and where they came from, like this: Here's how you can easily remediate this issue. Is it with the keyboard or with the laptop? The user's problem with the terminal in a remote machine and the problem I faced in a docker container may be caused by the same issue, which is related to the terminfo (about terminfo). Can Martian regolith be easily melted with microwaves? Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? No idea why. I've emailed several times over the past year, but it doesn't seem like a priority. Render Bokeh plots in Flask app hosted on Heroku @elieux there are conflicts in cygwin headers, I do have the described issues as well. Is it possible to rotate a window 90 degrees if it has the same length and width? Learn more about Stack Overflow the company, and our products. How To Fix Backspace Not Working In Windows 10 - The Droid Guy ether@jolteon MSYS /w I found a solution to a problem that presented like the one above. What is a word for the arcane equivalent of a monastery? 2. export TERM=xterm will set the emulator to xterm. Replacing broken pins/legs on a DIP IC package. Sign in If I set it to ^H or ^? Esc, Enter, and Spacebar are prone to stop operating altogether with backspace, which is very common. 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, del, arrow keys not working with interactive programs in Tilda, In SSH Terminal, I can't type any character. The backspace seems to work as expected while using Vim from the terminal in most Linux systems however. This is the solution to try if the Backspace key of the on-screen keyboard does not function. David has been able to combine his passion for computing and writing in his career as a freelance writer. Left and right arrows at the shell prompt don't skip chars as expected, but ctrl-v and then pressing an arrow key does print a correct (I think) string, e.g. . Solved: using "tab", "backspace" and "arrow" keys. Simply run Cygwin setup again and reinstall termcap and terminfo. When I enter TERM=xterm, the problem disappears, even after I set TERM=xterm-256color again. Well occasionally send you account related emails. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. Most *NIX hosts don't know what a 'cygwin' termtype is so they don't know how to do onscreen character manipulation such as inserts, deletes, scrolls, font changes, etc. I posted previously on SQLPLUS having a really unfriendly user interface, but with this problem makes it even worse. Our journey has still to come to an end. What I don't understand though is why my shell handles backspace as expected, but reading from stdin in my app does not. I tried stty erase '^?' Its much worse if it happens to other keys on your keyboard as well. 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. Making statements based on opinion; back them up with references or personal experience. when I hit the Backspace key, I get a space. @Alexpux any plans to downgrade ncurses soon? If you have checked your keyboard and it is physically good, have checked and updated the keyboard drivers, and have detected no malware attack, it is time to update Windows 10 / 11 if the Backspace key is still not working. What terminal are you using? I had a custom installed ncurses, that I removed. [broken rendering] Now, you may have thought that something is wrong with Chrome or some malware has done its wicked job. My terminfo folder was entirely missing. This will add it to the .bashrc and everything may work nicely! Look in the archives - it has come up before. Uh oh new msys2-runtime breaks windows cmake, it cannot find itself after update. with stty erase ^H or stty erase ^? How do I print colored text to the terminal? I know it is strange. Your backspace key may be broken due to a bad mapping which has been loaded into Vim. fix for keyboard backspace and delete butons not working properly in Why is there a voltage on my HDMI and coaxial cables? indent autoindent eol () start CTRL-W CTRL-U . rev2023.3.3.43278. http://lifepluslinux.blogspot.in/2014/08/backspace-doesnt-work-in-vim-on-cygwin.html, This will add it to the .bash_profile (not .bashrc, which didn't work for me, and with a leading line break), After spending 2 days of time reading stuff online. 5 comments. ``` The reason the keys (generally) do not work out-of-the-box is partly lack of configuration (as you will see later, simply creating .inputrc/.cshrc already helps a lot) and a more difficult issue which I will try to describe below..