#!/bin/sh

if [ $# -ne 2 ]
then
  echo "dssp2dx"
  echo "converts DSSP output to DireX readable secondary structure input"
  echo 
  echo "usage:   dssp2dx <out.dssp> <secstr.dat>"
  echo 
  exit
fi

awk ' BEGIN { l=0 } {
   if ( l==1 ) { 
         c=substr($0,12,1); 
	 if (c==" ") c="A";
   }
   if ( l==1 ) { print substr($0, 0, 11),c, substr($0,13,5);  }
   if ( ($1=="#") && ($2=="RESIDUE") ) { l=1 }
  }' $1 > $2