#!/bin/sh # total_logged_in - parses ``last'' ouput to something more sensible. # if you give it a parameter, it will only display last information for # that user last $1 | nawk ' { if (NF = 10 && $10 != "in") { gsub(/\(/, "", $10); gsub(/\)/, "", $10); split($10, a, ":") if (split(a[1], b, "+") == 1) { mins=(a[1]*60+a[2]) user[$1] += mins entry[$1]++ } else { mins=(b[1]*1440+b[2]*60+a[2]) user[$1] += mins entry[$1]++ } } } END { printf("Person \t<DD:HH:MM>\Total Con\n") print "===========================" for ( person in user ) { mins = user[person] nohours = int(mins/60) mins -= nohours*60 nodays = int(nohours/24) nohours -= nodays*24 printf("%-10s <%.