我有这个 bash 完成文件
#/etc/bash_completion.d/mycommand
_mycommand()
{
local cur
COMPREPLY=()
_init_completion || return
#Variable to hold the current word
cur="${COMP_WORDS[COMP_CWORD]}"
#array variable COMPREPLY
dirs=('Rootdir/
Secondrootdir/
Rootdir/Subdir/
Secondrootdir/Anothersubdir/
Secondrootdir/Thirdsubdir/
Secondrootdir/Anothersubdir/Subsubdir/'
)
COMPREPLY=($(compgen -W "$dirs" "$cur"))
}
#Assign the auto-completion function _mycommand for our command mycommand.
complete -F _mycommand mycommand
当我有多项选择并按 TAB 键两次时,我会看到以下内容:
$ mycommand Secondrootdir/
Secondrootdir/
Secondrootdir/Anothersubdir/
Secondrootdir/Anothersubdir/Subsubdir/
Secondrootdir/Thirdsubdir/
但我只想查看当前输入的 Secondrootdir
的一级深层子目录像这样:
$ mycommand Secondrootdir/
Anothersubdir/ Thirdsubdir/
cd 命令做的很好
$ cd Music/
kattymusic/ Playlists/ Relax/
但我不明白 cd 自动完成是如何工作的。
有人可以帮帮我吗?
最佳答案
非常感谢帖子
Bash completion: compgen a wordlist as if they were paths - Only suggest up until next slash
最后的代码是这样的
#/etc/bash_completion.d/mycommand
_mycommand()
{
local cur i
_init_completion || return
compopt -o filenames
#Variable to hold the current word
cur="${COMP_WORDS[COMP_CWORD]}"
dirs='Rootdir/Subdir/ Secondrootdir/Thirdsubdir/ Secondrootdir/Anothersubdir/Subsubdir/'
# If we include root dirs we have to remove them
# e.g we have Secondrootdir/ Secondrootdir/Anothersubdir/ Secondrootdir/Anothersubdir/Subsubdir/'
# we need to skip the shorties path and remain only the longest one Secondrootdir/Anothersubdir/Subsubdir/'
# dirs='Rootdir/
# Secondrootdir/
# Rootdir/Subdir/
# Secondrootdir/Anothersubdir/
# Secondrootdir/Thirdsubdir/
# Secondrootdir/Anothersubdir/Subsubdir/'
arr=($(compgen -W "$dirs" -- $cur))
for path in "${arr[@]}"
do
local trailing_trim
# Determine what to trim from the end
trailing_trim="${path#${cur%/*}/}/"
trailing_trim="${trailing_trim#*/}"
trailing_trim="${trailing_trim%/}"
# Don't add a space if there is more to complete
[[ "$trailing_trim" != "" ]] && compopt -o nospace
# Remove the slash if mark-directories is off
if ! _rl_enabled mark-directories
then
# If The current typed path doesnt have a slash in it yet check if
# it is the full first portion of a path and ignore everything after
# if it is. We don't have to do this once the typed path has a slash
# in it as the logic above will pick up on it
[[ "$cur" != */* && "$path" == ${cur}/* ]] && path="$cur/$trailing_trim"
trailing_trim="/$trailing_trim"
fi
COMPREPLY[i++]="${path%%${trailing_trim}}"
done
}
#Assign the auto-completion function _mycommand for our command mycommand.
complete -F _mycommand mycommand
关于linux - 如何在 bash 自动完成中只显示一级子目录?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43262370/