set term png set size 1.95 set out 'infod.png' set grid plot [0:100] [-1:4] \ 'infod.txt' index 2 using 1:($9>.1 ? log($9) : 1/0) with lines, \ 'infod.txt' index 3 using 1:($9>.1 ? log($9) : 1/0) with lines, \ 'infod.txt' index 2 using 1:($6>.1 ? log($6) : 1/0) with lines, \ 'infod.txt' index 3 using 1:($6>.1 ? log($6) : 1/0) with lines, \ 'infod.txt' index 2 using 1:($8>.1 ? log($8) : 1/0) with lines, \ 'infod.txt' index 3 using 1:($8>.1 ? log($8) : 1/0) with lines