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translating by ezio
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Linux FAQs with Answers--How to check weather forecasts from the command line on Linux
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================================================================================
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> **Question**: I often check local weather forecasts on the Linux desktop. However, is there an easy way to access weather forecast information in the terminal environment, where I don't have access to desktop widgets or web browser?
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For Linux desktop users, there are many ways to access weather forecasts, e.g., using standalone weather apps, desktop widgets, or panel applets. If your work environment is terminal-based, there are also several ways to access weather forecasts from the command line.
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Among them is [wego][1], **a cute little weather app for the terminal**. Using an ncurses-based fancy interface, this command-line app allows you to see current weather conditions and forecasts at a glance. It retrieves the weather forecasts for the next 5 days via a weather forecast API.
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### Install Wego on Linux ###
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Installation of wego is pretty simple. wego is written in Go language, thus the first step is to [install Go language][2]. After installing Go, proceed to install wego as follows.
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$ go get github.com/schachmat/wego
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The wego tool will be installed under $GOPATH/bin. So add $GOPATH/bin to your $PATH variable.
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$ echo 'export PATH="$PATH:$GOPATH/bin"' >> ~/.bashrc
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$ source ~/.bashrc
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Now go ahead and invoke wego from the command line.
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$ wego
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The first time you run wego, it will generate a config file (~/.wegorc), where you need to specify a weather API key.
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You can obtain a free API key from [worldweatheronline.com][3]. Free sign-up is quick and easy. You only need a valid email address.
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Your .wegorc will look like the following.
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Other than API key, you can specify in ~/.wegorc your preferred location, use of metric/imperial units, and language.
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Note that the weather API is rate-limited; 5 queries per second, and 250 queries per day.
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When you invoke wego command again, you will see the latest weather forecast (of your preferred location), shown as follows.
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The displayed weather information includes: (1) temperature, (2) wind direction and speed, (3) viewing distance, and (4) precipitation amount and probability.
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By default, it will show 3-day weather forecast. To change this behavior, you can supply the number of days (upto five) as an argument. For example, to see 5-day forecast:
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$ wego 5
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If you want to check the weather of any other location, you can specify the city name.
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$ wego Seattle
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### Troubleshooting ###
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1. You encounter the following error while running wego.
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user: Current not implemented on linux/amd64
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This error can happen when you run wego on a platform which is not supported by the native Go compiler gc (e.g., Fedora). In that case, you can compile the program using gccgo, a compiler-frontend for Go language. This can be done as follows.
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$ sudo yum install gcc-go
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$ go get -compiler=gccgo github.com/schachmat/wego
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--------------------------------------------------------------------------------
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via: http://ask.xmodulo.com/weather-forecasts-command-line-linux.html
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作者：[Dan Nanni][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://ask.xmodulo.com/author/nanni
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[1]:https://github.com/schachmat/wego
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[2]:http://ask.xmodulo.com/install-go-language-linux.html
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[3]:https://developer.worldweatheronline.com/auth/register
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@ -0,0 +1,70 @@
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Linux 问与答：如何在Linux 命令行下浏览天气预报
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================================================================================
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> **Q**: 我经常在Linux 桌面查看天气预报。然而，是否有一种在终端环境下，不通过桌面小插件或者网络查询天气预报的方法？
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对于Linux 桌面用户来说，有很多办法获取天气预报，比如使用专门的天气应用，桌面小插件，或者面板小程序。但是如果你的工作环境实际与终端的，这里也有一些在命令行下获取天气的手段。
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其中有一个就是 [wego][1]，**一个终端下的小巧程序**。使用基于ncurses 的接口，这个命令行程序允许你查看当前的天气情况和之后的预报。它也会通过一个天气预报的API 收集接下来5 天的天气预报。
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### 在Linux 下安装Wego ###
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安装wego 相当简单。wego 是用Go 编写的，引起第一个步骤就是安装[Go 语言][2]。然后再安装wego。
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$ go get github.com/schachmat/wego
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wego 会被安装到$GOPATH/bin，所以要将$GOPATH/bin 添加到$PATH 环境变量。
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$ echo 'export PATH="$PATH:$GOPATH/bin"' >> ~/.bashrc
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$ source ~/.bashrc
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现在就可与直接从命令行启动wego 了。
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$ wego
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第一次运行weg 会生成一个配置文件(~/.wegorc)，你需要指定一个天气API key。
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你可以从[worldweatheronline.com][3] 获取一个免费的API key。免费注册和使用。你只需要提供一个有效的邮箱地址。
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你的 .wegorc 配置文件看起来会这样：
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除了API key，你还可以把你想要查询天气的地方、使用的城市/国家名称、语言配置在~/.wegorc 中。
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注意，这个天气API 的使用有限制：每秒最多5 次查询，每天最多250 次查询。
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当你重新执行wego 命令，你将会看到最新的天气预报（当然是你的指定地方），如下显示。
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显示出来的天气信息包括：(1)温度，(2)风速和风向，(3)可视距离，(4)降水量和降水概率
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默认情况下会显示3 天的天气预报。如果要进行修改，可以通过参数改变天气范围（最多5天），比如要查看5 天的天气预报：
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$ wego 5
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如果你想检查另一个地方的天气，只需要提供城市名即可：
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$ wego Seattle
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### 问题解决 ###
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1. 可能会遇到下面的错误：
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user: Current not implemented on linux/amd64
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当你在一个不支持原生Go 编译器的环境下运行wego 时就会出现这个错误。在这种情况下你只需要使用gccgo ——一个Go 的编译器前端来编译程序即可。这一步可以通过下面的命令完成。
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$ sudo yum install gcc-go
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$ go get -compiler=gccgo github.com/schachmat/wego
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--------------------------------------------------------------------------------
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via: http://ask.xmodulo.com/weather-forecasts-command-line-linux.html
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作者：[Dan Nanni][a]
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译者：[译者ID](https://github.com/oska874)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://ask.xmodulo.com/author/nanni
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[1]:https://github.com/schachmat/wego
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[2]:http://ask.xmodulo.com/install-go-language-linux.html
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[3]:https://developer.worldweatheronline.com/auth/register
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