complete
TLDR
Complete with files
$ complete -f [command]
Complete with directories$ complete -d [command]
Complete with word list$ complete -W '[start stop restart]' [myservice]
Complete using function$ complete -F [_my_completion] [mycommand]
Remove completion$ complete -r [command]
List all completions$ complete -p
Complete with no space after$ complete -o nospace -W '[opt1 opt2]' [command]
SYNOPSIS
complete [options] [name...]
DESCRIPTION
complete specifies how arguments for commands should be completed. Bash builtin for programmable completion. Defines completion specifications (compspecs) for commands.
PARAMETERS
-a
Complete with aliases-b
Complete with builtins-c
Complete with commands-d
Complete with directories-f
Complete with files-g
Complete with groups-j
Complete with jobs-k
Complete with keywords-s
Complete with services-u
Complete with users-v
Complete with variables-A action
Use action for completion-W wordlist
Complete from wordlist-F function
Call shell function-C command
Run command for completions-G pattern
Glob pattern for files-X pattern
Filter out matches-P prefix
Add prefix to results-S suffix
Add suffix to results-p
Print current completions-r
Remove completion spec
COMP-OPTIONS (-o)
filenames: Treat as filenames (add slashes, quote)
nospace: Don't append space after completion
nosort: Don't sort alphabetically
bashdefault: Fall back to bash defaults
default: Fall back to readline defaults
CAVEATS
Bash builtin only. Completions stored per-session. Use /etc/bash_completion.d/ for persistent completions.
