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Quick Reference

GNUplot Quick Reference

GNUplot Quick Reference

To use a , as the separator (normally it is a space)

set datafile separator ','

To parse a nearly ISO8601 date and time (2020-10-16 11:20:40):

set xdata time
set timefmt '%Y-%m-%d %H:%M:%S'

To format the x axis with a full date and time (like above):

set format x "%Y-%m-%d %H:%M:%S"

Write the chart to a file

set terminal pngcairo size 1250,750 enhanced font 'Verdana,10'
set output sprintf("%s%s", basename, ".png")

unset output

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