Bash is a free shell for Unix-like operating systems from the GNU Project.

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25 views

Why does “exec non-existent-file” exits the shell when in a script that is sourced?

The documentation for exec says that it will exit the shell in case of error if the current shell is non-interactive and execfail option is not set. I noticed a strange behavior in an interactive ...
3
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34 views

How to start a systemd service after user login and stop it before user logout

I have a Fedora 23 Machine. I have a directory/file synchronizing bash script that synchronizes my local /home directory to a remote directory (in a NAS machine). I run it manually but I would like ...
3
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16 views

How can I pass content of Chrome internal page to a shell script?

I would like to be able to pass the content of this internal chrome page to a file "about:gpu" but I don't know how. All this with bash commands. I would appreciate your help
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74 views

Howto Emacs nyan-mode image in console

I have emacs’ nyan-mode working in my OS X desktop emacs (24.5). But I’d very much like to get that working in my console emacs. I’m using: Ubuntu Server 12.04 LTS (precise), in a Vagrant VM. (OSX) ...
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206 views

emacs term-mode redraws prompt when backspacing inside executables

I am reliant on emacs (version 24.4.1 on Debian) term and ansi-term modes. They normally work just like xTerm for me, but when running an interactive program that has a prompt (like the node.js ...
3
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27 views

GNU screen is slow exiting

I've set up my .bashrc to automatically screen -DRA (even though it's a local session). screen works fine, except that if I run exit from the last window or otherwise close it from the client itself, ...
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229 views

Problems with bash script, mysql inserts and launchd

I am developing a automated system, which consists of 3 parts: mysql, bash and launchd. Bash script takes folders of work related stuff, zips, archives and puts info about them into database that is ...
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446 views

Process ANSI escape codes before piping

I'm trying to pipe the output of a script (Mocha) to another script. However there is one problem: Mocha generates quite a few ansi escape characters to update the screen on the fly. These characters ...
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18 views

In Ubuntu use GTK file save dialog from bash command line?

I would like to do something like gtk-file-saver /tmp/tempfile.txt And then a GTK file saver pops up for the user. By this I mean the normal dialog that is used whenever you do "Save As" in most ...
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56 views

Force Ubuntu user to use specific shell

After years of reading helpful questions/answers on superuser, today it's my turn. I'm playing around with "lshell", a linux shell written in python (lshell on github) which gives the opportunity to ...
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38 views

Setting up a watchfolder

I want to make a folder that I can put any video file into and have ffmpeg catch it and spit it out as an mp4 and remove the non-mp4 file. I have the following: for f in *.*; do ffmpeg -i input ...
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39 views

Many cron -f processes on unresponsive server

My Debian server had again become unresponsive and needed to be restartet (SSH login impossible, no longer transmitted log data to another server's MySQL Database, no new FTP connections possible, but ...
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41 views

Bash script: change to a directory with special chars

I have a bash script that goes through my music collection and downloads missing covers. The problem I have is that I can't cd to some directories which has '&' '(' and other characters. The ...
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48 views

Windows gVim, shell starts in HOME instead of working directory

I've recently have gotten sick of constantly switching between Windows and Linux and installed gVim and MSYS2 on Windows 7. After a couple hours of searching I have a .vimrc that makes !command, make, ...
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0answers
16 views

Do iTunes backups store file modification times?

I have an iPhone. With a USB connection, I can use tools such as Macroplant iExplorer or Apple's Image Capture to transfer files from the iPhone to my computer. When I transfer files over USB, the ...
2
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224 views

HTTP server doesn't seem to support byte ranges. Cannot resume. homestead up

When I used the command "homestead up" it stopped working at 45% so I closed it and restarted my computer. Now when I try to run the command homestead up, my computer says resuming download then I get ...
2
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36 views

Typing “Ctrl+R” only lets me type a single character when I'm connected via SSH

I connect to my server via ssh (PuTTY). Type Ctrl+R at the console. Type a single character. I can cycle through the previous commands by pressing Ctrl+R more times. But if I type another character ...
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34 views

Enabling readline?

I have an .inputrc file set up on a system that doesn't seem to be respecting it. If I bind the file (as per this post) or try to load it with C-x C-r, nothing happens - I still do not get any of the ...
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36 views

Name a tab in iterm2, even with pane splits

I see there are solutions to name tabs in iterm2 when there is a single pane, but it doesn't work well with multiple panes/splits. So if I have two terminals open in a split under a tab, I would need ...
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31 views

Can one start shell from save file dialog

Using ubuntu. If one tries to print to a file, the save dialog opens. Is there a way one can execute the shell (or terminal) from the save file dialog file name entry box?
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95 views

bash Segfault by infinite recursion

I just noticed that the bash I'm using (4.2.25(1)) isn't protected against infinite function recursion. In such a case a Segfault happens (and the bash process terminates). To check this on your ...
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337 views

Pacmd dynamic range compression Ubuntu 14.04

I used the answer at the link below to successfully set Dynamic Range Compression on my Ubuntu media box running Ubuntu 14.04 (SteamOS session, so no Ubuntu desktop session available). Realtime sound ...
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144 views

Enter a Failed Docker Container with a Different Command

I have a fairly complicated docker container I'm attempting to build. As part of the build process I have I install Chef and have Chef install a number of cookbooks using Chef-Solo. I am having the ...
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49 views

Can't resume editor running as root

For years, when I have been working over an SSH connection, I will run sudo vi ... to edit a config file. If I need to do something on the command-line, I'll hit Ctrl+Z to suspend the editor, do ...
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30 views

Auto find file parameter in bash

I've been trying to construct a method for bash to auto complete a file argument. so when you type vi not[tab][tab] it auto completes to notes.md if it is within the history or path or gives a list of ...
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230 views

Cannot Stat Error When Copying From Android Phone to Ubuntu 13.10

I am trying to move a video file from my phone to my harddrive via a script and am running into trouble with permissions. I am using the following command: sudo cp ...
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313 views

Restore Launchpad DB from Backup using Bash/Terminal?

Context: I'm using an OSX shell script to update my settings system-wide after a fresh OS install. One snag I've ran into is restoring Launchpad. I have my launchpad DB backed up via GoogleDrive at: ...
2
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159 views

How to open a local file with a query string appended to it in the default browser?

I want to do something like this from a shell script: $ open 'foo.html?foo=bar' Sadly that fails, as it looks for a file named foo.html?foo=bar instead of foo.html before opening the browser: The ...
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387 views

stdbuf not working while unbuffer does

I am trying to apply timestamps to stdout of a process. For the proper timestamps to be applied, I attempt to unbuffer stdout of the process. This works with unbuffer but not with stdbuf as I would ...
2
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93 views

How can I get bash to perform case insensitive tab-completion for my aliases and functions?

I have a alias like this: alias sshUntrusted='ssh -X -C -c blowfish-cbc,arcfour' when I type: $ sshun bash does not complete this alias I have put set completion-ignore-case on #ignore case ...
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440 views

Can I reverse the stream direction of my terminal?

I'm not sure on how to word this question any other way but that's it. Is it possible to reverse the way your terminal prints text? For example if I type a command, I type it from the bottom of the ...
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124 views

Trying to bind <ESC> to keysequence “öö” in bash vi mode

I am trying to use the german umlaut "ö" in a sequence "öö" as a binding for ESC. Having the following in my .inputrc does the job with "jj" instead of "öö"; however, when changing "jj" to "öö", it ...
2
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86 views

SoX fails to concatenate *some* newly generated aiff files

I have a Python script that is using Mac OS X's built in speech synthesis API to create aiff files of some processed text via PyObjC/AppKit. Everything is working fine, but I can't get the aiff files ...
2
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0answers
234 views

rsync: large exclusion list adding 10 hours to sync

I have had an rsync backup script running on a Centos 6 box that has been syncing ~410gb of data from a local (LAN) server over a gigabit connection. This script runs hourly, and if there are no new ...
2
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0answers
935 views

File shows different size after copying to another directory

I used cp -rP <dir name> <new dir name> to copy the contents of a directory, including permissions etc from one dir to another. The odd thing is, either du is giving me some strange ...
2
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411 views

Why does this line appear every time I launch iTerm on my MacBook?

So I use iTerm on my MacBook Air and also my MacBook Pro. I've been playing around with .bashrc and .bash_profile and trying to come up with clever ways to configure things. At one point I decided I ...
2
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0answers
549 views

How to mount SMB share from terminal using keychain?

I need to be able mount a SMB share from terminal, for MAC OS versions (10.7). Is there a way to use mount_smbfs with keychain so I don't get prompt the username/password or have to add it to the ...
2
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120 views

sudo: preserve non-std file descriptors

Long story short: why isn't this (simplified) sample working? root:# sudo -C 3 -u regular-user cat /dev/fd/3 3< /var/log/syslog cat: /dev/fd/3: No Such file or directory There is a file that ...
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462 views

Copy the output of the last command in Terminal.app

!! | pbcopy would also run the commands again and couldn't be used with interactive commands. This relies on the prompt always being $ : tell application "Terminal" to tell window 1 to history do ...
2
votes
0answers
1k views

Grub: Legacy 'ask' parameter no longer supported

I'm trying to change the resolution on my base shell (the Ctrl+Alt+1) shell in Debian so that it supports my ViewSonic monitor. The shell appears really fuzzy when it is displayed on my lcd monitor, ...
2
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0answers
215 views

Branch names not showing in Mercurial's tab completion

I have a development machine running mercurial 1.6.3. Tab completion in bash works great for completing commands, tags and branch names. I've set up a new machine with the same mercurial version (both ...
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17 views

Running `pip` gives 'command not found' after successful Python homebrew install

To preface, I am very bad with the terminal, please be patient with me. when I run pip I get: zsh: command not found: pip I have installed Python 2.7.11 with brew, which should allow pip to work ...
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22 views

How can I configure git bash to display a timestamp for each command?

I run git's bash on Windows7 to manage source control for projects. Can I edit C:\Program Files (x86)\Git\etc\git-prompt.sh to enable me to timestamp when I ran commands? e.g. instead of ...
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0answers
35 views

Is there a name for the command line user interface employed by projects like Git?

There are quite a few command line tools (or suites of tools) out there these days which use a command line interface such that every command starts with the name of the application/tool followed by a ...
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11 views

mysqldump via launch daemon on mac osx not working

I'm trying to create a mysqldump of a database via bash script, and automate the process by using Mac's launchd / launchctl process. I can successfully run the bash script manually to backup the db in ...
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30 views

How to find files modified in last 24 hr but do not find from hidden directories and sum them

I have following command to find files modified in last 24 hr and sum all of them. #!/bin/bash find /mnt/naspath -mtime 0 -print0 | du --files0-from=- -hc | tail -n1 >> /tmp/size.log exit 0 ...
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85 views

How to delete or rename files with “␀” in their filename in Mac OS X 10.11.2?

How to delete or rename files with ␀ in their filename in Mac OS X 10.11.2? Filename—or even a folder—can’t be renamed or deleted when there is this spezial character ␀ in it, for example Filename␀ ...
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9 views

Curl in bash code - produces wrong status

This code seems to ouput a http status of 000 - which seems to indicate something didn't connect properly but when I do this curl outside of the bash script it works fine and produces a 200 so ...
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54 views

How to ls -l file from output of grep

I was trying to run the following command: ls -lh `grep -E "^log4j.appender.File" /var/domains/*/servers/*/logs/log4j.properties | sed 's/.*=//g'` but it shows me error: ls: cannot access ...
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71 views

“bash: gfortran: command not found” in Cygwin after Fortran installation is complete

I just installed Cygwin and am using it to run an open source software package which requires the use of a Fortran compiler. I have run setup-x86_64.exe and installed (I believe) all the Fortran ...