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linux/.config/bash/module/autocomplete.sh

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# Bash autocomplete.
# There are also options like -o nospace. see man for more info.
# Usage: _foo() { _autocomplete "{foo,bar}" } ; complete -F _foo foo
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function _autocomplete() {
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local IFS=$'\n'
local commands="${*}"
COMPREPLY=()
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local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local command="${COMP_WORDS[0]}"
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COMPREPLY=( $(compgen -W "${commands}" -- ${cur}) )
return 0
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}
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# Autocomplete only first argument.
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function _autocomplete_first() {
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local IFS=$'\n'
local commands="${*}"
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COMPREPLY=()
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local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local command="${COMP_WORDS[0]}"
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if [[ "${prev}" = "${command}" ]]; then
COMPREPLY=( $(compgen -W "${commands}" -- ${cur}) )
return 0
fi
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}
# Autocomplete by grepping file names.
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function _autocomplete_grep() {
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local IFS=$'\n'
COMPREPLY=()
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local pattern="${1}"
local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local command="${COMP_WORDS[0]}"
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COMPREPLY=( $(compgen -W "$(ls | grep -E ${pattern})" -- ${cur}) )
return 0
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}
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# Autocomplete nested program.
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function _autocomplete_nested() {
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# local IFS=$'\n'
local cur prev words cword split i
_init_completion -s || return
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for ((i = 1; i <= cword; i++)); do
if [[ ${words[i]} != -* ]]; then
local PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin
local root_command=${words[i]}
_command_offset ${i}
return
fi
done
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}