go-simple-speedtest

Program written in Go to perform simple file download to calculate download speed.

When the program is executed, it appends the download data to a file (speedtest.csv) in CSV format.

The CSV column data is:

• time of file download
• total bytes downloaded
• total megabytes downloaded
• total milliseconds to complete download
• total seconds to complete download
• speed of download in megabits/second (Mbps)
• speed of download in megabytes/second (MBps)

Usage

1. go get github.com/adrianh-za/go-simple-speedtest
2. browse to $/go/src/github.com/adrianh-za/go-simple-speedtest
3. go run main.go

Extra

The following cron job runs every 4 hours. The cron job has multiple steps:

• 0 */4 * * * = Run every 4 hours.
• PATH=$PATH:/usr/local/go/bin = Set the path to include GO executable location.
• cd /home/pi/go/src/github.com/adrianh-za/go-simple-speedtest = Change the current directory to where the main.go file resides.
• go run main.go = Run the program.
• >> cron.txt 2>&1 = Dump output from cron job to this file (in the directory we changed to above) and don't mail output.

0 */4 * * * PATH=$PATH:/usr/local/go/bin && cd /home/pi/go/src/github.com/adrianh-za/go-simple-speedtest && go run main.go >> cron.txt 2>&1