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科技回声

基于 Next.js 构建的科技新闻平台,提供全球科技新闻和讨论内容。

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Shell Programming for Beginners

56 点作者 ahmicro大约 14 年前

3 条评论

billswift大约 14 年前
When you link to a video, show it in the title. I am on a slow connection and am getting tired of waiting for a page to load, only to find out it is just a video and totally useless to me.
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sixtofour大约 14 年前
This is great background for newbies.<p>My kid is learning programming on a VM where he's admin. I went through the first example and discovered that I don't have banner on my machine. I apt-got it and realized this will be a nice learning opportunity for the kid, a tiny real-world hiccup and here's how you solve it and get on with the task.
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kaichanvong大约 14 年前
First test errored: line 4: test: too many arguments<p>This was on OSX + bash... wondering if I need to update something to allow more args through?<p>#!/bin/sh X=9 tput clear while test $X -gt 0 do tput cup 5 0 tput ed banner " $X" X='expr $X - 1' sleep 1 done