#!/bin/sh

if [ -z $1 ]; then
    echo "Usage: $0 <randfile>"
    exit
fi

CC=`grep -e "^CC" src/Makefile 2>/dev/null | cut -f2- -d=`
if [ -z $CC ]; then
    echo "Run ./configure first"
    exit
fi

cat > $$.c << "EOF" 
#include <unistd.h>

int	eol=0,count=0,offset=0,length=0;
char	buff;

int main()
{
	while (read(STDIN_FILENO,&buff,1) > 0)
	{
		if (buff == '\r') buff = '\n';
		if (!eol && (buff == '\n')) 
		{
			length = count-offset;
			write(STDOUT_FILENO,&offset,sizeof(offset));
			write(STDOUT_FILENO,&length,sizeof(length));	
			eol = 1;
		}
		if (eol && (buff != '\n'))
		{
			eol = 0;		
			offset = count;
		}
		count++;
	}	
}
EOF

$CC -o $$ $$.c

echo Indexing $1... 
cat $1.e | ./$$ > `echo $1.e | sed s/"\.e$"/"\.i"/`

rm $$ $$.c