statsmerge.jq

# Merges the two input files. Execute as
# jq -s -f statsmerge.jq file1 file2
# Numeric values with key beginning with "minecraft:" are added together.
# For all other values the value in b takes precedence

.[0] as $file1 | .[1] as $file2 |

$file1 + $file2 |

reduce paths(numbers) as $path
(
.;
if ($path | last | startswith("minecraft:")) then
	setpath($path; getpath($path) + ($file2 | getpath($path)))
else
	.
end
)