Sat, 17 Dec 2011 17:08:33 +0000
Initial commit
#!/usr/bin/env lua5.1 local yaml = require "yaml"; local query = arg[1]; table.remove(arg, 1); local query, string_out = query:gsub("^=", ""); local query_func = assert(loadstring("return "..query)); if #arg == 0 then arg[1] = "-"; end for i, fn in ipairs(arg) do local f = io.stdin; if fn ~= "-" then f = assert(io.open(fn, "r")); end local yaml_doc = yaml.load(f:read("*a")); setfenv(query_func, yaml_doc); local result = query_func(); if string_out == 1 then print(result); else print(yaml.dump(result)); end f:close(); end