#! /bin/bash
#
# ./plot.sh wordle.txt > wordle-plot.gif
#
PATH="/bin:/usr/bin"; export PATH

case "$1" in 
 "wordle.txt") title="12974 words, 14 qubits";;
 "wordle-M.txt") title="12974 words, 14 qubits, optimized";;
 "small.txt")  title="7 words, 3 qubits";;
 "small-O.txt")  title="7 words, 3 qubits, optimized";;
 *) title="";;
esac

xlabel="iteration"
ylabel="probability of correct answer"

labels="set title \"$title\"\nset xlabel \"$xlabel\"\nset ylabel \"$ylabel\""

tail -n +2 "$@" | 
(echo -e "set term gif\nset output\n$labels\nset yrange [0:1]\nplot '-' notitle with linespoints lc rgb 'red'"; cat) |
 gnuplot

# non-standard bash echo -e option to handle backslash-escaped characters