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Oracle is a tool for picking random items from a table.

go install github.com/script-wizards/oracle

You can run oracle with no arguments and it will load up a Yes/No oracle.

You can create custom tables defined in YAML files. See examples. Pass the file path as an argument.

oracle random-events.yaml

Put dice notation in curly braces, like There are {1d4} kobolds. The following formats are supported:

• Standard
  • xdy[[k|d][h|l]z][+/-c]
  • Rolls and sums x y-sided dice, keeping or dropping the lowest or highest z dice and then adding or subtracting c.
  • Example: 4d6kh3+4
• Fudge
  • xdf[+/-c]
  • Rolls and sums x fudge dice (-1 and 1), and then adding or subtracting c.
  • Example: 4df+4
• Versus
  • xdy[e|r]vt
  • Rolls x y-sided dice, counting the number that roll t or higher.
• Comparison
  • {xdy[<|>]t}
  • Rolls x y-sided dice, then compares the result to t. Useful for X-in-Y.
  • Example: 1d6<3 for 2-in-6