#!/usr/bin/awk -f
# merge .IVS files togeather
BEGIN {
f="";
val="";
#colums="";
}
{ 
  if (f != FILENAME) {
    colums = colums OFS FILENAME; NR=0;
    do {
      if (FNR > 43) data[$1] = data[$1] OFS $2;
    }   while (getline != 0); 
    f=FILENAME;
  }
}
END{
#print colum;
for(val in data) print val,data[val];
}