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Questions tagged [bash-completion]

Questions about command completion in the Bash Unix shell.

310 questions
24
votes
2 answers

Customizing bash completion output: each suggestion on a new line

When you type something, you often use bash autocompletion: you start writing a command, for example, and you type TAB to get the rest of the word. As you have probably noticed, when multiple choices match your command, bash displays them like this…
4wk_
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9 answers

Slow load time of bash in cygwin

At the moment bash takes about 2 seconds to load. I have ran bash with -x flag and I am seeing the output and it seems as though PATH is being loaded many times in cygwin. The funny thing is I use the same file in linux environment, but it works…
Forethinker
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19
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1 answer

Can bash completion be invoked programmatically?

What I want is a function I can call from a program so it completes the way bash would given a commandline and a location where TAB was pressed. . /etc/bash_completion generate_completions "command arg1 arg2" 17 would return the same thing as…
jpkotta
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17
votes
4 answers

bash tab completion without variable expansion?

Let's say I have these variables defined in my bashrc: i='cgi-bin/internal'; e='cgi-bin/external'; f='cgi-bin/foo'; b='cgi-bin/bar'; ad='cgi-bin/admin'; #etc... When I use the variable on the command line vim $i/edit_TAB it will expand…
Andrew Sohn
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17
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3 answers

Customize tab completion in shell

This may be have a better name than "custom tab completion", but here's the scenario: Typically when I'm at the command line and I enter a command, followed with {TAB} twice, I get a list of all files and subdirectories in the current directory. …
jedwards
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16
votes
5 answers

bash autocompletion: add description for possible completions

Is it possible to make bash auto-completion look like in Cisco IOS shell? I mean to add short descriptions for each completion, like this: telnet 10.10.10. (TAB Pressed) 10.10.10.10 - routerA 10.10.10.11 - routerB where 10.10.10.10 and…
DDJ
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16
votes
3 answers

Override bash completion for git clone

builtin completion The default completion for git clone (reproduced below) gives tab completion for --* options: _git_clone () { case "$cur" in --*) __gitcomp_builtin clone return ;; esac } bash-completion 1.x…
anthony sottile
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16
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4 answers

Bash Autocompletion - How to pass this array to compgen without significant whitespace being collapsed?

The following bash completion passes an array of possible words (i.e. completions) to compgen. basenames=("foo" "fu bar" "baz"); COMPREPLY=($(compgen -W "${basenames[*]}" -- "${COMP_WORDS[COMP_CWORD]}")) The problem is that the whitespace in the…
helpermethod
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16
votes
2 answers

How to prevent bash completion from replacing a character when tab completing

I'm building a bash completion script for a tool which shares file uploading semantics with curl. With curl, you can do: curl -F var=@file to upload a file. My application has similar semantics and I wish to be able to show possible files after the…
UsAaR33
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15
votes
2 answers

Unit Test for Bash completion script

I would like to write a Unit Test for a (rather complex) Bash completion script, preferrably with Python - just something that gets the values of a Bash completion programmatically. The test should look like this: def test_completion(): #…
Wolkenarchitekt
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15
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4 answers

"${1-}" vs "$1"

The code for git bash completion, specifically the function __gitcomp, uses parameter expansions like "${1-}". This appears to be similar to "$1". What is the difference? Also: where is this documented in the bash manual?
intuited
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15
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1 answer

How to Bash Complete Three-Part Pattern

I have a command line tool which takes arguments in an three-part form: $ t first_second_third I have a set of valid values for first, a set of valid values for second, and a set of valid values for third. I want to use Bash complete functionality…
Alexander
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14
votes
1 answer

How do I defer shell completion to another command in bash and zsh?

I am attempting to write a shell script utility that wraps other shell utilities into a single CLI and am trying to get shell completion to work in zsh and bash. For example, let's say the CLI is named util: util aws [...args] #=> runs aws util…
Jacob Gillespie
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14
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2 answers

bash_completion for Rails 3

Is there any bash_completion script ready for Rails 3?
klew
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11
votes
1 answer

Git completion for alias as if for Git itself

Background I have successfully configured Bash completion for various Git aliases. For example: $ git config alias.subject !git --no-pager show --quiet --pretty='%s' $ function _git_subject() { _git_show; } $ git subject my $ git subject…
Harrison McCullough
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