Create README.md

speedtest/README.md

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+This script can do a speedtest to servers and then send the result to your email, you can add this to crontab.
+
+###openwrt dependency
+
+This script are using `curl` `wget` `timeout` and `https`. If you're using this on openwrt router, you need to do the following commands
+
+```
+opkg update
+opkg install coreutils-timeout
+opkg install ca-certificates
+opkg install curl
+opkg install wget
+```
+
+###How to use
+
+**1\. Get the script from github**
+```
+cd ~/bin
+wget https://raw.githubusercontent.com/xdtianyu/scripts/master/speedtest/speedtest.sh -O speedtest
+chmod +x speedtest
+```
+You can add `~/bin` to your `PATH` in `/etc/profile`
+
+**2\. Script configuration**
+
+Replace `EMAIL` with your email address.
+
+Replace `TEST_FILES` arrays with your own test files. Each test will only has 5 seconds and then `timeout`.
+
+You can replace `NAME` with `speedtest(home)` to distinguish other tests.
+
+**3\. Do a speedtest**
+
+```
+~/bin/speedtest
+```
+Then check your email for result.
+
+**4\. Add to `crontab`**
+
+
+```
+crontab -e
+
+25 * * * * /root/bin/speedtest
+```
+
+This means at every hour's 25, a speedtest runs and you get a result email.