plan9fox/rc/bin/uptime

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2019-04-07 17:09:52 +00:00
#!/bin/awk -f
BEGIN{
getline sysname < "/dev/sysname";
getline < "/dev/time";
sec = sprintf("%d", $3/$4);
ct = sprintf("%02d:%02d:%02d", sec%86400/3600, sec%86400%3600/60, sec%60);
printf("%s up %d days, %s\n", sysname, sec/86400, ct);
exit
}