A feature provided by interactive programs such as shells and text editors that inserts text to complete a word or phrase that the user is likely intending to compose.

learn more… | top users | synonyms (2)

46
votes
2answers
7k views

Rebuild auto-complete index (or whatever it's called) and binaries in $PATH cache in zsh

After installing new software, an already opened terminal with zsh won't know about the new commands and cannot generate auto-complete for those. Apparently opening a new terminal fix the problem, but ...
36
votes
2answers
23k views

An easy bash completion tutorial? [closed]

I want to learn how to write bash completion scripts. Which tutorial would you recommend for a newbie?
35
votes
1answer
1k views

Completing avfs fake directories in zsh

How can I tweak zsh's completion system to complete “fake” files in some circumstances? More precisely, the AVFS filesystem exposes archives as directories by creating a “fake directory” next to ...
28
votes
4answers
12k views

Command-line completion from command history

So, I've looked at history and at Ctrl+R, but they are not what I thought I knew. Is there a way that I can type in the beginning of a command, and cycle through the matches in my history with some ...
25
votes
1answer
4k views

How do I get bash completion for command aliases?

I am looking to get tab-completion on my command line aliases, for example, say I defined the following alias : alias apt-inst='sudo aptitude install' Is there a way to get the completions ...
24
votes
1answer
715 views

How do I redirect command completion output?

On the command line, I can redirect or pipe output of a command to a file or another command using the > or | operator after the command. I have come across a less standard situation that I would ...
23
votes
3answers
9k views

How to enable autocompletion for remote paths when using scp?

I remote copied a file to my laptop using: scp someFile USER@192.168.178.32:/home/USER/put/it/some/where/oh/damn/you/here I want to be able to autocomplete the remote path by hitting tab.
21
votes
3answers
3k views

How does TAB auto-complete find options to complete?

And how does it also autocomplete aliases?
17
votes
3answers
439 views

Disable tab completion in Bash for some directory that contains a large number of files?

I'm working with large number of files, which I keep in a directory. Every time I go in to that directory and accidentally press Tab twice, it takes too long (may be over a minutes) to show files that ...
17
votes
3answers
1k views

How to fix tab completion so it doesn't hide entries?

I'm using oh-my-zsh on Mac OS X with homebrew'ed zsh 4.3.12. I stumbled recently on a weird problem. In scripts/not-used I have several .R files: breakdowns.R eventloop.R ...
15
votes
1answer
655 views

What's the magic that allows me to tab-complete remote files as I type an scp command?

Presumably this is a feature provided by some plugin I have enabled in my oh-my-zsh setup (I have been using zsh for many years now). I noticed ever since I added my public key to the server (now I ...
14
votes
2answers
5k views

Make zsh completion show the first guess on the same line (like fish's)

In Fish when you start typing, autocompletion automatically shows the first autocompleted guess on the line itself. In zsh you have to hit tab, and it shows the autocompletion below. Is there anyway ...
14
votes
1answer
683 views

How do command-line tools have their own autocomplete list?

How does Bash in Ubuntu know a tool's specific list of actions? For example if I type apt-get and tab twice I only see remove, update, upgrade ...etc, but not the actions for another command or the ...
13
votes
3answers
446 views

Unexpected Bash completion of ~ on OS X

I pressed ~TabTab on the bash command prompt and got an unexpected set of completions. First it looked like all the folks in the /Users directory, and a lot more. Then I thought it was doing the ...
13
votes
3answers
931 views

How to eliminate annoyances when starting a GUI from a terminal?

I prefer to launch GUI applications from a terminal window rather than by using a graphical desktop. A frequent annoyance is that often the developers haven't anticipated this type of use, so the app ...
13
votes
3answers
2k views

How can I tell bash valid tab-completions for arguments to my Python script

Say I have a program hello.py and one possible valid argument to it is: ./hello.py autoawesomesauce Is is possible to type in: ./hello.py auto[tab] at which point the partially completed ...
13
votes
1answer
3k views

Add arguments from previous command to zsh completion

In zsh (as well as bash) you can use some history word expansions to denote arguments from previous commands. This example shows getting the 2nd parameter from the previous command in history with ...
13
votes
4answers
630 views

How to customize Bash command completion?

In bash, it's easy enough to set up customized completion of command arguments using the complete built-in. For example, if, for a hypothetical command with a synopsis of foo --a | --b | --c, you ...
12
votes
2answers
237 views

Cancel completion, but only completion, in zsh

When a completion function takes a long time, I can interrupt it by pressing Ctrl+C (terminal interrupt key, sends SIGINT) or Ctrl+G (bound to send-break). I am then left with the uncompleted word. ...
12
votes
1answer
264 views

How can I loop over possible completions? [duplicate]

I'd like to be able to get my hands on an array of possible completions for a given partial command. For example, the partial command service um has the following possible completions: $ service ...
12
votes
1answer
625 views

Bash completion for comma-separated values

I would like to create completion rule for comma-separated parameters list. E.g. I have command which receives list of server names: myscript -s name1,name2,name3 At this moment I've managed to ...
12
votes
1answer
696 views

Dynamically update completion list in zsh

I find zsh's result lists for Tab completion quite useful, however I'd like to tweak their behaviour a bit: They should appear when I Tab for the first time and afterwards dynamically update with ...
11
votes
1answer
4k views

Terminal autocomplete: cycle through suggestions

I had this on my Ubuntu setup and since I switched to Fedora I want to set it and I forgot how... The idea is simple : I don't want the terminal to show me suggestions when I double tab, instead I ...
10
votes
4answers
1k views

How do I trigger autocomplete without a tab key?

I'm ssh-ing to my machine using my iPhone with an app called ServerAuditior. It doesn't have tab key. See screenshot. How do I trigger autocomplete without the tab key? I don't want to type a lot of ...
10
votes
3answers
5k views

How to turn off the beep only in bash tab-complete

I find the beep useful for some things, so I only want to turn it off for tab completion (I'm not asking how to completely turn it off, that has already been answered in a different question on ...
10
votes
5answers
3k views

Weird Stuff in Terminal When I Hit Tab

For some reason, today, everytime I hit tab in the terminal this shows up: cat bash: warning: setlocale: LC_CTYPE: cannot change locale (en_CA) Display all 150 possibilities? (y or n) This ...
10
votes
2answers
1k views

Command line prediction

I've found an interesting paper: Predicting UNIX Command Lines about command-line prediction (based on user past activity), and I wonder if any actual implementation of such thing exists?
10
votes
1answer
482 views

How to output string completions to stdout?

Some of the git commands have many options, and it would often be useful to search through them for the one I need - I was just looking for the option which controls the TAB width in git-gui, but ...
10
votes
1answer
499 views

Bash tab completion expands “~” into “/home/___” when it didn't before

Previously, if I typed ~/biTab, before, it would turn into ~/bin. However, today it started turning ~/biTab into /home/username/bin. I would rather have it the former, but I'm not sure what happened ...
9
votes
3answers
824 views

How to pipe the list of commands displayed by of “tab complete”?

When using commands in bash I like the double tab option to display the available commands. Some commands have more possible matches than others: Is there a way I can pipe the output of the double ...
9
votes
2answers
2k views

How to implement package install suggestion on Debian?

I have noticed that while on Ubuntu, if I type the following: mc and it isnt installed, I get the message below: The program 'mc' is currently not installed. You can install it by typing: sudo ...
9
votes
2answers
3k views

Make BASH's Tab Completion Fill In First Match?

Is there any way to make BASH fill in the first match when I press TAB, kind of like the Windows command prompt? (It should still display the list of matches, but it should cycle through them when I ...
9
votes
3answers
827 views

Select unicode filename in Bash

Ok; suppose I'm in Bash and I have several files in a folder. Several of them are named file☠☡☢☣.txt, where ☠☡☢☣ starts with crazy untypable unicode characters. How would I refer to one of them? ...
9
votes
1answer
572 views

Tab completion of “../” in zsh

One noob question from a new zsh user: In bash, I can use tab-completion to move one directory up and descend down again another path. For example, suppose I'm in $HOME/folder1, and I want to cd to ...
9
votes
3answers
615 views

Bash autocomplete with vim command

In bash, autocompletion of paths has recently stopped working when issuing vim commands where the path is deeper than two directories (it continues to work as expected with other commands, such as ls ...
8
votes
6answers
587 views

How to disable emacs here document completion

When editing a bash script file with emacs, and trying to enter <<<, at the second < emacs insert a template for a here document, like in the following example: <<EOF EOF This is ...
8
votes
2answers
5k views

How to debug and fix slow autocomplete in bash?

After a recent update (Ubuntu 12.04 LTS), TAB complete on the command line is slow. After entering a partial command (e.g evi [TAB]) or partial filename (e.g. evince somedocu[TAB]) the shell, ...
8
votes
1answer
4k views

How to specify a custom autocomplete for specific commands? [duplicate]

Is there a way to have bash know exactly what to display when you double tab? For example I have a python script scpy which requires a couple arguments. For example like apt-get, if you double tab ...
8
votes
1answer
176 views

Disable Bash autocompletion for a specific command only

Is it possible to disable Bash's autocompletion for a specific command only? Use case: For obvious reasons, I would like to disable autocompletion for the rm command when I'm root. It would also be a ...
8
votes
4answers
2k views

How does Bash path completion work with sudo?

Tab path completion does not work (at least on Ubuntu and AFAIK Arch) with sudo mount <whatever> The iso file I am trying to mount is not in /etc/fstab. If I just type mount <whatever> ...
8
votes
1answer
1k views

Bash autocomplete in ssh session

It seems that bash doesn't want to autocomplete commands (what's annoying me right now is not autocompleting apt-get) when I'm logged into my machine from SSH. Is there some setting that will allow ...
8
votes
1answer
168 views

Change zsh completion to put completions above the prompt

I'm a long-time tcsh user that finally decided to try out zsh. I've been toying around with completion, but one thing I don't like is that when I hit tab for a completion that might have a lot of ...
8
votes
2answers
478 views

Completion of words on the screen as in VIM (Bash or Tmux)

How can I configure Bash, Zsh or Tmux to complete the last matching identifier on the screen? Consider this common scenario: $ git fetch remote: Counting objects: 16, done. remote: Compressing ...
8
votes
3answers
268 views

How to order files by date in tab completion list

$ 7z l ~/Downloads/Tab How to make the resulting list to be sorted by date, not by name? I currently use special script to list N most recent files in a given directory (and copy the filename ...
7
votes
4answers
4k views

Autocomplete server names for SSH and SCP

I have a few servers configured in ~/.ssh/config, such as alpha and beta. How might I configure Bash such that the commands ssh al<tab> and scp file.tgz al<tab> autocomplete the names of ...
7
votes
4answers
7k views

Apt-get autocompletion

I am currently running 64-bit Debian Wheezy. I am having some trouble with auto completion for apt-get. I have bash-completion installed. If I am logged in as root in a shell, I can use auto ...
7
votes
2answers
3k views

Create bash completion script to autocomplete paths after is-equal sign?

I want to create a bash completion script which recognises arguments of the form --arg and --some-arg=file. After reading this tutorial and some examples in /usr/share/bash_completion/completions/, ...
7
votes
1answer
2k views

Autocomplete of filename in directory

This question is quite similar to this one, but I can't understand the solution. I also know this tutorial, but still I am unable to understand what I am doing wrong. I am trying to autocomplete the ...
7
votes
1answer
317 views

Zsh auto complete suggest complete functions (_git _vim etc)

I have a small annoyance with how zsh is doing complete suggestions for my commands. If I type the beginning of a command that I don't have installed and press tab it will suggest the completion ...
7
votes
1answer
752 views

Cancel zsh tab completion

Is there a way to cancel a completion once it has been started? I sometimes foolishly press tab to autocomplete make targets (only from sheer indolence) and then end up having to wait for a longer ...