delta_t.sh (247B)
1 #!/bin/bash 2 3 declare TIME 4 declare DTIME 5 declare RTIME 6 declare ON 7 8 ON=false 9 OTIME=`<on_file` 10 TIME=`date +%s` 11 if [[ $OTIME -gt 0 ]] 12 then 13 ON=true 14 DTIME=$(( TIME-OTIME )) 15 RTIME=$DTIME 16 else 17 ON=false 18 DTIME=$(( TIME+OTIME )) 19 RTIME=$(( -DTIME )) 20 fi