-plot [0:600] [1:$COUNT] \
- "hist2.dat" with lp lt 1 title "2 byte messages", \
- "hist4.dat" with lp lt 2 title "4 byte messages", \
- "hist6.dat" with lp lt 3 title "6 byte messages", \
- "hist8.dat" with lp lt 4 title "8 byte messages"
+plot [$range] [1:$COUNT] \
+ "len2-hist.txt" with lp lt 1 title "2 byte messages", \
+ "len4-hist.txt" with lp lt 2 title "4 byte messages", \
+ "len6-hist.txt" with lp lt 3 title "6 byte messages", \
+ "len8-hist.txt" with lp lt 4 title "8 byte messages"