January 2015
Intermediate to advanced
274 pages
5h 55m
English
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The daemon backup tool
The backup tool, which we will call backupd, will be responsible for periodically checking the paths listed in the filedb database, hashing the folders to see whether anything has changed, and using the backup package to actually perform the archiving of folders that need it.
Create a new folder called backupd alongside the backup/cmds/backup folder, and let's jump right into handling the fatal errors and flags:
func main() { var fatalErr error defer func() { if fatalErr != nil { log.Fatalln(fatalErr) } }() var ( interval = flag.Int("interval", 10, "interval between checks (seconds)") archive = flag.String("archive", "archive", "path to archive location") dbpath = flag.String("db", "./db", "path to filedb database") ) flag.Parse() ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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