#! /bin/sh

LIST=`ls *.frq | sed -e s/.frq//`

declare -i frq 

rm -f num_frq.txt

for i in $LIST
  do
    l=`wc $i.frq | cut -c1-7`
    frq=$(($l-2))
    echo -e $i \
      "\t" `head -1 $i.dat` \
      "\t" $frq \
      "\t" `grep Null $i.max | cut -f2 -d:` \
      >> num_frq.txt
  done