#!/bin/csh
# nist-z1

# get all the elements from nist web pages
if 1 then
	set ubase = 'http://physics.nist.gov/PhysRefData/XrayMassCoef/ElemTab/'

	set iz = 0
	while ($iz < 92)
		@ iz += 1
		set zz = `printf "%02d" $iz`
		set url = ${ubase}z$zz.html

		set tmp1 = /tmp/tmp-nist-$zz

		if !(-e $tmp1) then
			echo "$url"
			lynx -source "$url" >! $tmp1
		endif

		# determine element name from file header
		set name = `cat $tmp1 | perl -ne 'if (/\/TITLE/) {s/.* ([^ ]*)\<\/TITLE\>/$1/; print;}'`
		set name = `echo $name | tr "[:upper:]" "[:lower:]"`
		if ($name == graphite) then
			set name = carbon-graphite
		endif
		echo $name

		# extract energy in MeV and MAC in cm^2/g
		set out = ../element/${zz}-${name}
		if !(-e $out) then
			cat $tmp1 \
			| nist-z2 \
			# strip electron shell info \
			| perl -pe 's/(K|L\d|M\d|N\d)//' \
			| awk '{print $1, $2}' \
			# remove empty lines \
			| perl -ne 'print unless /^\s*$/' \
			> $out
		endif
	end
endif