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)

53
votes
2answers
10k 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 ...
50
votes
2answers
33k 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?
37
votes
2answers
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 ...
35
votes
4answers
19k 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 ...
27
votes
1answer
6k 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 ...
25
votes
3answers
12k 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.
25
votes
3answers
4k views

How does TAB auto-complete find options to complete?

And how does it also autocomplete aliases?
24
votes
1answer
919 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 ...
19
votes
0answers
615 views

How to combine zsh autocomplete for wrapper function arguments and existing command

I work mostly in gvim and many terminals. Originally, I preferred to open all my files in a single vim instance. To that end I used an alias to open files from my terminals in the current 'vim ...
18
votes
2answers
8k 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 ...
18
votes
1answer
1k 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 ...
18
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 ...
17
votes
3answers
861 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 ...
16
votes
4answers
1k 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 ...
15
votes
1answer
6k 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 ...
15
votes
1answer
1k 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 ...
15
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 ...
14
votes
4answers
11k 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 ...
14
votes
3answers
3k 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
3answers
464 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
990 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
1answer
754 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 ...
13
votes
1answer
319 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
2answers
3k 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 ...
12
votes
2answers
9k 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, ...
12
votes
1answer
984 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 ...
12
votes
1answer
546 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 ...
12
votes
2answers
343 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
787 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
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 ...
11
votes
2answers
3k views

Zsh completion of brew formulas

In OS X, is there any way to have Zsh (I'm using Oh-my-zsh) tab-complete formulas? E.g. $ brew install em<TAB> could expand to: $ brew install emacs
11
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 ...
11
votes
0answers
1k views

git completion with zsh: filenames with spaces aren't being escaped properly

Git completion: I'm having difficulty with git's filename autocompletions on my system. I'm using zsh (5.0.5) with git (1.9.3) on OS X (10.9.3). Both zsh and git have been installed via homebrew. ...
10
votes
4answers
2k 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
7k 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
2answers
3k views

is there a way to set coloring for cd tab complete?

I use ubuntu 11.04. Is there a way to set coloring for output after tab completion listing of a cd, ls, or etc. ? i.e. myshell@root$ cd ~/user/files/ I hit tab... myfile myfoo mybar <-- this ...
10
votes
1answer
6k views

How to specify a custom autocomplete for specific commands?

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 ...
10
votes
3answers
1k 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 ...
10
votes
2answers
2k 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
573 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
6answers
695 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 ...
9
votes
3answers
950 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
3answers
1k 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
249 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 ...
9
votes
1answer
1k views

How do I get my shell functions to make use of existing autocompletion in zsh?

I have a couple of shell functions defined in my .zshrc which save on typing and allow integration with screen. For example: function s() { screen -t "$1" ssh "$@" } However, when I use these ...
9
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 ...
9
votes
2answers
598 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
6k views

How do I auto complete a command from the command history? [duplicate]

Is there a key combination for bash to auto compete a command from the history? In ipython and matlab for example this is achieved by pressing up arrow after typing a few characters.
8
votes
3answers
4k views

Disable bash tab completion

Is it possible to disable bash's autocomplete on pressing tab? The reason I want to do this is that I often paste code from an editor where I use the tab character instead of a number of spaces for ...
8
votes
4answers
3k 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> ...