#!/bin/bash

# Job Seeker
# Joshua Olson <jolson@mtu.edu>
# Description: Periodically check the MTU website for new Job Postings.
# Usage: Change RECIPIENT variable if necessary.  Place in cron at desired
# interval.

RECIPIENT="${USER}@mtu.edu"
SUBJECT="New job posting"
TODAY=`date +"%Y%m%d-%H%M"`

FORMAT=0

case "$1" in
	"-h")
		echo "Checks for new MTU job postings and sends result to $RECIPIENT.

Usage: $0 [-f]

  -f	apply formatting prior to mailing recipient (potentially buggy)
  -h	this help screen
"
		exit
	;;

	"-f")
		FORMAT=1
	;;

	*)
	;; 
esac

if [ -f /tmp/jobs.known ]
then
	/usr/bin/elinks -dump -no-numbering \
		"http://www.admin.mtu.edu/hro/postings/index.shtml" \
		>  /tmp/jobs.$TODAY
	/usr/bin/diff /tmp/jobs.$TODAY /tmp/jobs.known > /tmp/jobs.diff

	COUNT=`wc -l /tmp/jobs.diff | awk '{print $1}'`

	if [ $COUNT -ge 1 ]
	then
		if [ $FORMAT -eq 1 ]
		then
			echo "FORMAT"
			sed -n '/JOB POSTINGS/,/Minorities and women/p' \
				< /tmp/jobs.$TODAY | Mail -s "$SUBJECT" $RECIPIENT
		else
			echo "NO FORMAT"
			Mail -s "$SUBJECT" $RECIPIENT < /tmp/jobs.$TODAY
		fi

		cp /tmp/jobs.$TODAY /tmp/jobs.known
	fi

	rm -f /tmp/jobs.$TODAY
else
	/usr/bin/elinks -dump -no-numbering \
		"http://www.admin.mtu.edu/hro/postings/index.shtml" \
		>  /tmp/jobs.known
	echo "Job Seeker initiated."
fi

# ChangeLog
# 
# * Mon Sep 17 2007 Joshua Myles <jamyles@mtu.edu> - 99.6
# - Changed $RECIPIENT to use $USER environment variable
# 
# * Mon Sep 17 2007 Joshua Myles <jamyles@mtu.edu> - 99.5
# - Refactored case logic to be easier to follow
# - Fixed formatting of usage screen
# 
# * Mon Sep 17 2007 Joshua Olson <jolson@mtu.edu> - 99.4
# - Replaced switch check with case statement
# - Added -h help switch
# 
# * Mon Sep 17 2007 Joshua Myles <jamyles@mtu.edu> - 99.3
# - Fixed inconsistent information at top of script
# - Cats are smelly
# 
# * Mon Sep 17 2007 Joshua Olson <jolson@mtu.edu> - 99.2
# - Added switch for optional sed formatting of mail message
# - Bug fix: 00002 - rm may delete files not associated with this script
#
# * Mon Sep 17 2007 Joshua Myles <jamyles@mtu.edu> - 99.1
# - Added -no-numbering
# - Added simple cleaning of mailed message
# - Added clean-up for old jobs.* files
# - Bug fix: 00001 - current jobs file not copied to jobs.known when new
#
# * Mon Sep 17 2007 Joshua Olson <jolson@mtu.edu> - 99.0
# - Initial revision.