#!/bin/bash
#chmod RADEC_ds9
#  USAGE:  ./RADEC_ds9 ds9.reg %
#first parameter is ds9 file 
#second parameter is comment character. These lines are not analyzed.
#
sed -e '/^'$2'/d' -e 's/circle(//;s/")//;s/:/,/g' -e 's/+/+1,/' -e 's/-/-1,/' $1 | \
awk -F"," '{ra=($1*3600+$2*60+$3)/3600;dec=($4*($5*3600+$6*60+$7)/3600); \
print "ra(d)=" ra, "dec(d)=" dec}'