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<title>bash记忆指令(向上下翻相关指令)</title>
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bash记忆指令(向上下翻相关指令)
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<abbr class="published" title="2012-11-06T00:00:00">
<i class="icon-calendar"></i>二 06 十一月 2012
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<p>在 FreeBSD 裡面，要做到這樣非常方便，當我們在終端機輸入 vi 之後按下 Up 鍵，終端機會顯示之前下過的 vi 指令，這在常常使用 command 的使用者來講相當方便，也非常重要</p>
<p>在 FreeBSD 底下，只要在 .cshrc 裡面加上
{{{
bindkey “^W” backward-delete-word
bindkey -k up history-search-backward
bindkey -k down history-search-forward
}}}
可是在 linux 底下要如何達到這樣呢，那就是 man bash『history-search-backward』，『history-search-forward』這兩個功能，對我來說非常重要，然而你 要達到這功能，就是利用 showkey 跟 bind 這兩個指令</p>
<p>首先你要先找到 Up 這個鍵的 16 位元的編碼</p>
<p>{{{</p>
<h1>showkey -a</h1>
<p>Press any keys – Ctrl-D will terminate this program</p>
<p>^[[A 27 0033 0x1b
91 0133 0x5b
65 0101 0x41
}}}
然後在 bind 上去，寫到 /etc/bashrc 地下就可以了
{{{
bind ‘”\x1b\x5b\x41″:history-search-backward’
bind ‘”\x1b\x5b\x42″:history-search-forward’
}}}</p>
<p>== 我的输入 ==
在.bashrc中增加：
{{{
bind '"\e[A":history-search-backward'
bind '"\e[B":history-search-forward'
}}}</p>
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