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在shell中快速跳转到常用目录
source link: https://www.lujun9972.win/blog/2017/04/10/%E5%9C%A8shell%E4%B8%AD%E5%BF%AB%E9%80%9F%E8%B7%B3%E8%BD%AC%E5%88%B0%E5%B8%B8%E7%94%A8%E7%9B%AE%E5%BD%95/index.html
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在shell中快速跳转到常用目录
在 Quickly navigate your filesystem from the command-line 中发现了一种将目录加为书签实现快速跳转的好方法.
其实原理很简单,就是将指向目标目录的软链接作为书签,统一存放在一个指定的位置,然后借助 cd -P 命令来跳转到软链接指向的实际目录.
export MARKPATH=$HOME/.marks
function jump {
cd -P "$MARKPATH/$1" 2>/dev/null || echo "No such mark: $1"
}
function mark {
mkdir -p "$MARKPATH"; ln -s "$(pwd)" "$MARKPATH/$1"
}
function unmark {
rm -i "$MARKPATH/$1"
}
function marks {
ls -l "$MARKPATH" | sed 's/ / /g' | cut -d' ' -f9- | sed 's/ -/\t-/g' && echo
}
代码很简单,使用 mark 书签名 将当前目录加为书签; 使用 jump 书签名 跳转到书签指向的目录;
使用 marks 会列出所有的书签及其所指向的目录; 使用 unmark 书签名 删除掉指定的书签.
文章中还提供了一段在bash中按tab自动补全的代码,实在是太贴心了:
_completemarks() {
local curw=${COMP_WORDS[COMP_CWORD]}
local wordlist=$(find $MARKPATH -type l -printf "%f\n")
COMPREPLY=($(compgen -W '${wordlist[@]}' -- "$curw"))
return 0
}
complete -F _completemarks jump unmark
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