A .gp script file contains gnuplot commands, one per line, executed in order when passed as the argument. Scripts scale beyond -e one-liners because they can define functions, loops, and multiple plots. Comments start with a hash sign. This is the format to save when a plot recipe will be re-run on updated data.
Looking for more? Search all 7,657 commands — works offline, in English or Spanish, and fixes typos.