<p>I know I can reuse the first argument from the prævious command with <code>!:1</code>; but is it possible to reuse an already typed argument from the command currently being entered? Say I want to <code>cp blablabla blablabla.bak</code> (and assume there are other similarly named files in the directory); it would be nice not to have to type blablabla all over again.</p>

<p>Yes; you can use the history expansion <code>!#</code> to represent the current line so far:</p> <pre class="prettyprint"><code>cp blablabla !#:1.bak </code></pre>

BASH: reuse argument from same command

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bash

I know I can reuse the first argument from the prævious command with !:1; but is it possible to reuse an already typed argument from the command currently being entered? Say I want to cp blablabla blablabla.bak (and assume there are other similarly named files in the directory); it would be nice not to have to type blablabla all over again.