Bin bash event not found. It's generally more reliable to escape ! characters with backslashes. Jun 14, 2025 · 本文讲述了在Linux命令行中遇到'!:eventnotfound'错误的解决方法，包括关闭历史展开模式和使用单引号避免历史查找。 通过实例演示了如何关闭histexpand并重新执行带有感叹号的命令。 How do I get past this problem and print "#!/bin/bash" to the screen or my file? Try using single quotes. Quote it or put set +o histexpand in your . That's the point! Jun 24, 2023 · What causes the ‘/bin/bash event not found’ error? The ‘/bin/bash event not found’ error is usually caused by a missing or incorrect path. 3-alpha, and the previous version, bash-4. Sep 1, 2003 · Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! 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. (csh/tcsh syntax is not consistent and typically requires either trial and error or a different shell. From CHANGES: ------------------------------------------------------------------------------ This document details the changes between this version, bash-4. " how can I fix it Jun 7, 2023 · Find out how to install wget on your Linux distribution and fix the wget: command not found error in no time. Strings and special characters inside single quotes usage in bash variables are interpreted literally. ) Apr 18, 2016 · Because ! is a reserved word in bash. Single quote will stop all evaluations of the string. bash_profile (or . Anyone know what's going on? I looked online but all the posts on it are far in the past and it seems like the users weren't doing this inside a file/shellscript. echo !(docs) but I got -bash: !: event not found? I'm using mac default terminal. bash_profile; this is more complex than I want to try to fit into a parenthetical). Jan 27, 2016 · LinuxQuestions. org > Forums > Non-*NIX Forums > Programming [SOLVED] Bash script : event not found when I echo my password into ssh Programming This forum is for all programming questions. The path is a list of directories that the computer will search for when attempting to run a program or script. You may try Unix & Linux or Super User, but make sure you a) read their rules and b) make sure you did some research before posting. #!/bin/sh), thus shc does not create completely independent binaries. This is not a problem in shell scripts; only in interactive shells. The question does not have to be directly related to Linux and any language is fair game. echo '#!' echo '#!/bin/bash' The problem is occurring because bash is searching its history for !/bin/bash. Mar 20, 2017 · The History Expansion feature is still available and enabled by default as of Bash 4. com Discover how to resolve the bash event not found error with our concise guide, featuring practical tips and solutions for smooth command line usage. 3, you can use echo "hello!" (exclamation point directly before closing double quote) without problems, but in Bash 4. If you want to prevent that, but still allow expansion of shell variable ${RETENTION}, you can switch from double quotes to single quotes after the variable: Sep 6, 2022 · /bin/csh: Event not found. It is expanded within double-quotes. 19, and I don't expect it to be removed soon. bashrc if you don't have a . Is this particular issue regarding th Sep 29, 2021 · I am asking why NO error when same commands are executed from shell script file!? Apr 3, 2019 · Please Use single quotes (') instead double quotes ("). 2, you'd have to use single quotes or escape the exclamation point. Jun 24, 2023 · The ‘/bin/bash event not found’ error is a common problem faced by many computer users, particularly those who use Linux-based operating systems. x it seem treat "!" as "history substitution" however, according to shc man, "The compiled binary will still be dependent on the shell specified in the first line of the shell code (i. What is wrong? bash: !": event not found This is because, in the default settings for an interactive shell, Bash performs csh-style history expansion using the exclamation point. Aug 30, 2021 · $ touch fux fax fix $ ls f[!a]x zsh: event not found: a]x I want to see fix and fux as output, but not fax. This behavior changed in bash 4. I want to know the exact reason behind this issue. But this is not a bash script, it's an expect script. However, when I try to run the script, the first message looks like "/bin/bash not found", and then signals like "unexpected done, expecting fi" etc. How do I fix this bash terminal? Why would the '!' suddenly be a problem and the need for quotation marks are no longer seem to be necessary to produce the string. The easiest solution is unsetting the histexpand option: this can be done with set +H or set +o histexpand. d/. . py @mklement0 clarified it beautifully in a comment: More specifically, ! is special to Bash's history expansion feature, which is on by default (only) in interactive shells. Only edit sudo files with visudo: create a new sudo file to augment the original and put it in /etc/sudoers. l. You can read more about this here on the Bash Pitfalls Sep 12, 2020 · This is not a programming question (you just don't know bash interactive use) and as such off-topic here. bashrc or equivalent. Jan 24, 2023 · then echo "hi" fi zsh: event not found: /bin/bash Running again in my shell: % if { true } then echo "hi" fi hi so the issue is with !/bin/bash. #!/bin/csh echo "Hello World!" echo "How are you today?" But I am getting the error ": Event not found. Using single quotes escapes this behaviour. Click here Apr 19, 2012 · In tcsh, echo "'!'hello" prints '!'hello, and echo '!hello' prints hello: Event not found. For an example the usage of ! or $ symbols inside double quotes are interpreted as special characters. Nov 20, 2018 · It's maybe worth to mention that the behaviour of ! within double quotes changed at some point: in Bash 4. Did I break something? If so how Oct 4, 2013 · I have this very simple csh script. I am on MacOS Ventura, running zsh. In Jul 15, 2016 · I want to remove all folder and files except a folder named docs. So your command will look like: export SENTRY_SECRET_KEY='k(#!st-6eb2y74=@^6s7a67fy5a&@p3y=57 Feb 23, 2023 · Double quotes allow bash to treat ! as a shell history event designator. See full list on superuser. The most common uses are to negate stuff and to access the last command, but it can be used for a few different things, so the best advise is check the man page, and use single quotes (i. To avoid that, enclose them in single-quotes instead: echo '#!/usr/bin/env python' > scripts/sandbox. "apple" "banana" when I execute . 3. Oct 7, 2012 · All, I haven't found a topic regarding this, so: To keep my wifi-connection alive, I found a few scripts, one of them being from this forum (by MrEngman, if I remembre correctly). csh. The error usually occurs when the user attempts to run a program or script from the terminal. Please read more into the documentation. The history expansion character (!) does not cause history expansion when followed by the closing quote in a double-quoted string. May 3, 2006 · Programming This forum is for all programming questions. The #! line is only ever interpreted by the kernel, when given the script as a command to run in its own right. ' 's) around strings that doesn't need expansion. Jan 15, 2017 · su does not give special powers to root. 4. Non-interactive Bash starts with history expansion disabled by default (note the remote shell may or may not be Bash in the first place, it may or may not support history at all). 2-release. You need to escape the !: "bla bla bla \! bla bla" or 'bla bla bla ! bla bla'. ! is a special character to bash, it is used to refer to previous commands. So preventing someone with root capabilities from using it is pointless. e. This makes the main problem disappear. Sep 17, 2019 · This is because ssh spawns a non-interactive shell on the remote side. If you say: bash scriptname then the #! line is ignored and bash takes the file as though it were bash instructions. There are 14 You're invoking the script badly. /test. In such cases, my personal recommendation is to turn it off permanently by adding set +o histexpand to your . Exclusive for LQ members, get up to 45% off per month. why x5tp 4qg yz2 xcxf pqtq 1o okerp xhvf 7kq