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+#!/bin/bash
+# SJP 28 Nov 2021
+# Get synoptic weather charts from BOM and make them into a movie
+# See notes about BOM. they don't like scrapers but permit anon FTP
+# for *personal use*
+#  This script will be called froma timer, once every 6 hours, which is 
+# how oftern new charts are published.
+#
+# The timer will take care of scheduing the call to the script
+# todo: check what happens with daylight saving...
+
+# Construct current date and time
+# -u for UTC, just get the date portion. 
+datePart=$(date -u +%Y%m%d)
+
+# Now construct the 'time' pertion of the filename.
+# It is always 0000, 0600, 1200, or 1800
+
+timePart=0000
+currentchart=${datePart}-${timePart}
+latestChart=IDY00030.${datePart}${timePart}.pdf
+
+
+curl -o ${latestChart} ftp://ftp.bom.gov.au/anon/gen/fwo/${latestChart}
+convert -density 300 ${latestChart} ${currentchart}.png
+