########COMANDA PER SELECCIONAR EXONS########

gawk '{
  printf "segments(%d,0.20,%d,0.20,col=\"green\",lty=\"solid\");\n", $4,$5;
}' CFTR.grep_absolutes.gff
gawk '{
  printf "segments(%d,0.20,%d,0.22,col=\"blue\",lty=\"solid\");\n", $4,$5;
}' CFTR.grep_absolutes.gff
gawk '{ printf "mysegments(%d,%d);\n", $4,$5 }' CFTR.grep_absolutes.gff