在bash中取消删除已删除的命令 [英] undelete the deleted command in bash

问题描述

如果你写了一个很长的命令，说 cd / very / long / path ，然后你做ctrl + c或ctrl +在结束），然后你意识到，你想要的命令回来，有没有办法得到完整的线没有重新打字。是否有任何技巧来更改 .bashrc ，以便 bash_history 跟踪shell上按下的键而不是

我已经回答了一个问题，在bash中，如何清除当前输入？并实现如果我们有这样的选项，这将是非常有益的。

b li> Ctrl + X ， Ctrl + 或

Ctrl + _ （下划线）。

有关 bash 中的键绑定的完整列表，请参见 bind -P 。

If you have written a really long command, say cd /very/long/path, and then you do ctrl+c or ctrl+u (if the cursor is at the end), and then you realise that you want the command back, is there any way to get the full line back without re-typing. Is there any trick to change .bashrc so that bash_history keep track of keys pressed on the shell and not just after the enter is hit.

I have answered a question at In bash, how does one clear the current input? and realised if we have some option like this it would be very helpful.

解决方案

To undo, use either

• Ctrl+X, Ctrl+U; or
• Ctrl+_ (underscore).

See bind -P for a full list of keybindings in bash.

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