#!/bin/sh -u
# A weather script to show the current temperature in Ottawa
#------------------------------------------------------------------
# Syntax:     $0     (no command line arguments used)
#------------------------------------------------------------------
# Purpose:
#  Display the current weather for Ottawa.
#------------------------------------------------------------------
# -IAN! idallen@idallen.ca

# Use standard search path, friendly umask, ASCII collating and sorting.
# Set the language and character set to be ASCII/C standard.
#
PATH=/bin:/usr/bin ; export PATH
LC_COLLATE=C ; export LC_COLLATE
LANG=C ; export LANG
umask 022

# Note the need to quote the URL because of the shell metacharacter.
# You may use a backslash to hide newlines from the shell, so that
# the long line can be written more readably as many lines in the script.
# For readability, lines should be limited to 80 characters long or less.
#
temp=$(
  lynx -dump 'http://text.weatheroffice.ec.gc.ca/forecast/city_e.html?on-118' \
    | grep -A 1 -e 'Temperature:' \
    | head -2 \
    | tail -1
)

# Translate spans of multiple blanks to one single blank.
#
echo "The temperature in Ottawa is $temp" | tr -s ' '