bash backspace not working

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. I found this one that worked for me. Why do many companies reject expired SSL certificates as bugs in bug bounties? After removing and reinstalling via cygwin setup.exe I had this problem. vegan) just to try it, does this inconvenience the caterers and staff? Using indicator constraint with two variables. [rendering still fine] You can check what control characters the system uses with the stty command. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Downgrading ncurses solved it for me. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Allow the utility to complete the scan and then follow the instructions. Continue with Recommended Cookies. I've emailed several times over the past year, but it doesn't seem like a priority. If so, how? 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'm seeing the same issue with a fresh Cygwin install. 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. For more information regarding what export TERM=xterm does you can check the following answer. So guess it might need some patches to get around this. This solved the fact that cygwin64 was ignoring backspaces in commands containing line breaks. The text was updated successfully, but these errors were encountered: It seems the shell is not able to move the cursor backwards, and when it tries to re-render the line, it just appends the new string instead of replacing the old one. $ echo $TERM 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. How to Try It in Beta, How AI Search Engines Could Change Websites. You should see something like "^ [foo". 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. 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. It's almost like the CMD shell that Cygwin is bound to is failing to interpret cursor movement. I was missing the terminfo entries for my terminal. You can set this in your shell. How to have bash write two bash history files without changing bash source code? Similar to the Backspace key, you can fix the issue using the stty command if Tab doesn't work in the terminal. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. @SomeCallMeTim: I was able to fix this issue by using Minty, cygwin behaves in very wierd manner at times. i newer had any problem with it so im curious. Ctrlv + backspace produces nothing For me, the backspace code is the same as. When you make a purchase using links on our site, we may earn an affiliate commission. in my .bashrc file, and use some other terminal to access the server, it often ends up wrong. @Alexpux any plans to downgrade ncurses soon? 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 ___________________________________________________________________ This also resolved a similar issue I was having with the cursor keys. What sort of strategies would a medieval military use against a fantasy giant? But there is a far simpler way found here: In the remote host, run #stty erase ^H. Lets check which terminals the remote host supports. Mac vs. Windows Keyboard: What's Different? fix for keyboard backspace and delete butons not working properly in Works for me on a bash integrated terminal in vscode. The update for bash to version 4.4.019-1 fixed the shell history in mintty's terminal mode xterm-256color for me. All character is changed strrange character, Force telnet / ssh to use crtl-H for backspace, Read and process a string, char by char, yet allow user to simple line edit the input, Tmux Terminfo problem with Zsh key bindings. Basically, each time you hit backspace your cursor is moved to the beginning of the text field. I hope that you will enjoy my blog. Well, the operating system comes with an integrated keyboard troubleshooter. 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. ether@jolteon MSYS /w I found a solution to a problem that presented like the one above. This will add it to the .bashrc and everything may work nicely! I don't know why they were missing; found someone else with that issue, went into setup and told terminfo and termcap to reinstall, and everything worked. Ctrl Z now works. to `ansi`) seems to fix everything, but it's weirder than that: Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? Assuming you're using gnome-terminal as emulator, open the Edit manu and click on Profile preferences. You can check if there are any mappings set, and where they came from, like this: (Note: use Ctrl v + Backspace, do not type the ^ manually) You can fix the Tab issue with the same as above. Thank you, this worked for me -- previously, in Vim, my backspace key was moving back along the line but was not clearing the letters until I started typing. I am seeing this problem, but my shell is bash. Learn more about Stack Overflow the company, and our products. I tried checking the Backarrow sends ^H and Delete sends DEL settings in "broken" mode, but it did not seem to help, instead doing nothing when pressing those characters, if I recall correctly. Unfortunately, theres no alternative key that would do the same as backspace however there may be a workaround: just try to select the text with your mouse/touchpad and tap the delete (DEL) button. Is there a single-word adjective for "having exceptionally strong moral principles"? To learn more, see our tips on writing great answers. I tried stty erase '^?' I had a custom installed ncurses, that I removed. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Now, if you are using bash, it should be enough to create an ~/.inputrc file containing these lines: As an added bonus, they will make Home and End work as well. If I set it to ^H or ^? Thanks for contributing an answer to Super User! I know it is strange. In my case backspace was not at all working after creating blank ~/.vimrc. Add a comment. To do this, put. to my .bashrc but this only fixed the issue 80% of the time. This seems to happen with arrows and backspace. Pressing the Backspace key, depending on how the key is defined, may either perform a destructive backspace (deleting the character to the left of the cursor while moving the cursor to the left) or move the cursor to the beginning of the line. Note that Docker is not mentioned by the user. 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. Browse other questions tagged. 1518273 Jan 19 2014 edited Jan 19 2014. One way to get around it is by including stdio.h before any of the ssp headers in ncurses. (I had the problem specifically when doing su -i). Use # stty icanon to allow the "canonical (cooked) mode". So I'm stuck having to manually type stty erase [whatever] to fix it when I notice the backspace key is wrong. backspace makes a ^H character - LinuxQuestions.org Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? They might say something like "I love Linux system mangling^H^H^H^H^H^H^Hadministration.". This worked for me! Is this possible? Manage Settings What video game is Charlie playing in Poker Face S01E07? 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. I noticed few missing files in msys2 filesystem package like the one that autoregenerates fstab, what was the reason this one was removed ? The difference between the phonemes /p/ and /b/ in Japanese, Recovering from a blunder I made while emailing a professor. Already on GitHub? Now it does the 'usual' backspace. @elieux there are conflicts in cygwin headers, I do have the described issues as well. The easiest way (which did not work everytime while testing) is to simply reinstall terminfo and termcap via setup.exe, as mentioned here: Backspace does not work in Cygwin. We and our partners use cookies to Store and/or access information on a device. This is also the case with the Sticky key. After connecting from Fedora to an OpenWrt host with ssh the remote bash Welcome to Unix & Linux! Ive heard many people complaining about the backspace key not working properly on Discord and this is the Discord glitch. to your account. How To Fix Backspace Not Working In Windows 10 - The Droid Guy Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. host was set to rxvt-unicode-256color. Browse other questions tagged. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Instead of saying "Keep" for each, click it to make it say "Reinstall". [still broken rendering] 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. I'd like to fix this frequent problem where the shell on a remote server thinks my terminal's backspace key is ^? Replacing broken pins/legs on a DIP IC package. you tell athena what to expect for the backspace key. backspace in Vim instert mode (see here: https://bugs.gentoo.org/154090). Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Most of us are aware of the on-screen keyboard or the virtual keyboard that Windows operating system provides. 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). My backspace key and zsh vi-mode are broken on command line when i use tmux. If you're using the terminal to log in to remote systems, you can be even more productive with the combination of tmux and Mosh, letting you create sessions that can keep you connected forever. You'll see what code is sent as "erase". The Backspace key is a popular shortcut in Chrome. Not working means when I tap the backspace it prints a white space in the terminal. Why do many companies reject expired SSL certificates as bugs in bug bounties? Reboot your laptop or PC so that Windows can reinstall the keyboard automatically. The Linux keyboard and console HOWTO: Delete and Backspace xterm-256color Then use bind '"\efoo":kill-word' to bind that to the kill-word command. Ive seen a few people struggling with using the backspace key in Outlook (Exchange and Outlook.com). Also Tab & del keys don't work too. If I set it to ^H or ^? The former one allows you to press one key at a time for keyboard shortcuts and the latter one tells the keyboard to ignore repeated keystrokes. Bash backspace deleting one word at a time. Copyright 2020-2023 Techtreatbox.com | All rights reserved. I solved the problem by using ash.exe and run pacman -Syu bash in it. Connect and share knowledge within a single location that is structured and easy to search. There are also some distros that will run in . To do so: Now, check whether the key is working or not. Windows keyboards also have a Delete key, but this deletes characters in a forward direction. Linux is a registered trademark of Linus Torvalds. 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. Asking for help, clarification, or responding to other answers. To open the virtual keyboard, go to Ease of Access keyboard settings and click Keyboard in the left panel. Look for the "erase" character. Up/down/left/right arrows while in less (/usr/bin/less) does seem to work correctly. and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong character when I press backspace. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? Related Posts. How can this new ban on drag possibly be considered constitutional? Doug Also the backspace key works perfectly fine on Git Bash. This may be unintentional; Vim sees CTRL-H as a backspace (because CTRL-H is the ASCII code for a backspace), so you also cannot map anything to that. 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. Reinstalling terminfo (I couldn't find termcap) worked for me. Switch to the Compatibility tab and you should get these options: Now you can change the Backspace key generates: setting. On the other hand, I also have another account on the same machine & when I ssh through this account, its terminal works perfectly fine. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. And what the value of TERM you have tried? BackSpace and Delete Configuration for Linux (VT, xterm, bash, tcsh Why does my backspace key keep being unbound from erase? How is an ETF fee calculated in a trade that ends in less than a year? A place where magic is studied and practiced? Also the backspace key works perfectly fine on Git Bash I tried googling but didn't find what I was looking for! 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. Why doesn't the backspace key work in insert mode? ``` 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. If you preorder a special airline meal (e.g. If the key works, it means that your physical keyboard is somewhat damaged or broken. If it doesn't say "^H" this may be your problem. terminal had problems with some control characters. Connect and share knowledge within a single location that is structured and easy to search. Maybe the ncurses update is at fault? What am I doing wrong here in the PlotLegends specification? Apparently it was fixed for them after bash was updated, but I don't know it it was just rebuilt or maybe something else. Note that, @roaima @Kusalananda Thanks for pointing it out that OP didn't mention. Why do academics stay as adjuncts for years rather than move around? So, after ssh to unix host (it doesn't depend debian it or other host) set the TERM variable according to your terminal.

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bash backspace not working

bash backspace not working