03-20-2015
Hello Ravi,
Im on hp unix which doesn't support mmin option ,and my filename is dynamic i dont know the file name.what im trying to do is
1) Run the script every 2 hours and check if the last file generated was more than 2 hours old.
below are my tries
Last file = ` ls -ltr | awk '{print $9}' | tail -1`
Time of Last file = ` ls -ltr | awk '{print $6,$7,$8}'|tail -1`
Compare with current time to see if its older than 2 hours or not
2) If there is a latest file generated which is not older than 2 hours, check if the latest file is empty.
empty means -
If 'cat filename | wc -l" = 0 (zero lines in the file)
if empty do something
Im working on building this
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LEAVE(1) BSD General Commands Manual LEAVE(1)
NAME
leave -- remind you when you have to leave
SYNOPSIS
leave [[+]hhmm]
DESCRIPTION
leave waits until the specified time (within the next 12 hours), then reminds you that you have to leave by writing to the TTY that you exe-
cuted leave on.
You are reminded 5 minutes and 1 minute before the actual time, at the time, and every minute thereafter. When you log off, leave exits just
before it would have printed the next message.
OPTIONS
hhmm The time of day is in the form hhmm where hh is a time in hours (on a 12 or 24 hour clock), and mm are minutes.
However, all times are converted to a 12 hour clock, and assumed to be in the next 12 hours. An attempt to set an alarm for farther
into the future will be truncated to within the next 12 hours.
+ If the time is preceded by '+', the alarm will go off in hours and minutes from the current time.
If no argument is given, leave prompts with "When do you have to leave?" A reply of newline causes leave to exit, otherwise the reply is
assumed to be a time. This form is suitable for inclusion in a ~/.login or ~/.profile.
SEE ALSO
calendar(1), csh(1), sh(1)
HISTORY
The leave command appeared in 3.0BSD.
BUGS
In the modern age with X(1) and window multiplexing programs like window(1) and screen(1), the leave command's reminders and admonitions
might not be seen if the user has the window where leave was started minimized or obscured.
This all begs for a more general user notifications system to be implemented.
BSD
January 19, 2002 BSD