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Suppose I have a data file divided into blocks as follws

0     0
1     2
2     0


0     5
1     3
2     4


0     -1
1     3
2     5


...

Is there any way to tell gnuplot to plot only the last block?

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  • Using index? Try gnuplot online help. Commented Nov 18, 2016 at 15:24

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To access an arbitrary block you can use index. Unfortunately, you cannot access "the last block" without knowing its index. So you must use stats to get the number of blocks:

stats 'file.dat' using 1
plot 'file.dat' index STATS_blocks-1
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