03-25-2009
How to check if a new line has been added to a file
Hi all..
I'm not a scripter but I'm trying to set up a mail script that emails out once a file has been written to.
Is there some way of writing a while read loop or something, so that it reads each line of the file and then ends when a specific number of lines have been written...
We're going to have 10 or 20 scripts that write to the file saying
script_1 started at $(date)
script_2 started at $(date)
script_1 ended at $(date)
and so on..
I don't know whether I should put some sort of trigger in the file to indicate that its the end of the file or because i know how many lines will be there just to put some sort of counter in the loop.
Edit: Using .ksh
Last edited by Jazmania; 03-26-2009 at 05:16 AM..
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WEDGED(8) System Manager's Manual WEDGED(8)
NAME
wedged - HylaFAX modem wedged script
SYNOPSIS
/var/spool/hylafax/bin/wedged devid device
DESCRIPTION
bin/wedged is the command script invoked by the facsimile server when a modem is deemed to be in an irreparable state and requires operator
intervention. This decision is based on the setting of the MaxSetupAttempts configuration parameter described in hylafax-config(5). The
default wedged script sends electronic mail to the FaxMaster alias. The interval at which emails are sent can be configured in the
etc/FaxDispatch file by setting the WEDGED_EMAIL_INTERVAL variable to the desired number of minutes (emails will be sent no more than every
WEDGED_EMAIL_INTERVAL minutes, until the wedged condition persists). If the variable WEDGED_DISABLE_FAXGETTY is set in etc/FaxDispatch
then the script will attempt to disable any faxgetty processes spawned by the init(8) process for the problematic modem. In addition the
faxq(8) process automatically disables use of the modem for servicing outbound jobs.
The devid argument is the identifier derived from the name of the modem's device file by substituting ``_'' characters for ``/'' charac-
ters; e.g. term_10 for /dev/term/10. The device argument is the name of the character special device associated with the modem.
If there exists an executable file /var/spool/hylafax/etc/resetmodem then that file will be executed upon execution of the wedged script in
an effort to recover the modem.
FILES
/usr/lib/sendmail for delivering mail
SEE ALSO
faxq(8), hylafax-config(5)
October 3, 1995 WEDGED(8)