 
   describe "f[ile]`, given path to a spec-conforming json", ->
     it "produces the expected output", ->
-      proVals (proExec "#{precious} f test/io/for/nativity.json")
-            , (proExec "#{precious} file test/io/for/nativity.json")
-            , (proExec "cat test/io/out/nativity.json")
+      proVals (proExec "#{precious} f cat #{tis}")
+            , (proExec "#{precious} file cat #{tis}")
+            , (proExec "cat #{its}")
             , (results) ->
               assertSame results,
                 parse: true

  describe '{*}` re-run with the extra [0]["re"]', ->
    results = []
    before (done) ->
      beginning = "#{precious} f test/io/for/nativity.json"
      mapExec [
        "#{beginning} | #{jsontool0}"
        "#{beginning} | #{jsontool} 0 | #{jsontool} re | #{jsontool0}

assertSame = require "../helpers/assert_same"


# Paths to commands and data files.

precious = "bin/precious.js"
tis = "test/io/for/nativity.json"
its = "test/io/out/nativity.json"
jsontool = "node_modules/jsontool/lib/jsontool.js"
jsontool0 = "#{jsontool} -o json-0"


describe "$ `precious", ->

