#!/bin/csh -f

#############################################################################################################################
### Example:
###	StationStatus KHWD
#############################################################################################################################
set station = $argv[1]
set basedir = "/home/shilaire/public_html/flying/flightprep/Metar"
set bindir = "$basedir/bin"
set tmpmetarfil = "/tmp/tmp_metar.txt"

#get the Metar text:
	$bindir/Metar_getText $station 36 > $tmpmetarfil
	
#ceiling:
	set clouds = `$bindir/Metar_getColumn 1 5 $tmpmetarfil`
	set ceiling = 999
	set i = 1
	while ( $i <= $#clouds )
		set isceiling = 0
		set item = $clouds[$i]
		set tmp = `echo $item | grep -i BKN`
		if ( $status == 0 ) set isceiling = 1
		set tmp = `echo $item | grep -i OVC`
		if ( $status == 0 ) set isceiling = 1
	
		if ( $isceiling == 1 ) then
			set newceiling = `echo $item | tr -d '[:alpha:]'`
			if ( $newceiling < $ceiling ) set ceiling = $newceiling
		endif
		
		set i = `expr $i + 1`
	end
#visibility:
	set tmp = `$bindir/Metar_getColumn 1 4 $tmpmetarfil`
	set vis = `echo $tmp | tr -d '[:alpha:]'`
#rainshowers:
	set showers = 0
#	set tmp = `$bindir/getMetarLine $station 1`
#	set tmp = `echo $tmp | grep RA`
#	if ( $status == 0 ) set showers = 1

#winds, crosswinds:

#Output:
	if ( $vis >= 5 && $ceiling >= 30) then
		echo VFR
	else
		if ( $vis >= 3 && $ceiling >= 10) then
			echo MVFR
		else
			echo IFR
		endif
	endif