2 files changed, 8 insertions, 5 deletions
diff --git a/spec/dzref b/spec/dzref
index 11106297..26c3e039 100755
--- a/spec/dzref
+++ b/spec/dzref
@@ -218,6 +218,7 @@ ProgressiveIndexOf ← {𝕨⊐○(≍˘⟜OccurrenceCount𝕨⊸⊐)𝕩}
 ⊒ ← OccurrenceCount⊘ ProgressiveIndexOf
 "
 
+X←Raw←{≤4}
 {
   chrs←⟨
     "!∧∨∾↑↕⌽⍉⍋⍒⊐⊒∊⍷⊔"
@@ -267,5 +268,9 @@ ProgressiveIndexOf ← {𝕨⊐○(≍˘⟜OccurrenceCount𝕨⊸⊐)𝕩}
 
   lf ← •UCS 10
   pre ← E_isdef◶E_proc‿E_redef¨ lf((⊢-˜¬×+`)∘=⊔⊢)impl
-  ⍎ ∾ ∾⟜lf¨ pre ∾ E_proc¨ •STDIN⟨⟩
+  Raw↩⍎
+  ExecFile←{Raw ∾ ∾⟜lf¨ E_proc¨ •LNS 𝕩}
+  X↩Raw∘E_proc
+  ⍎ ∾ ∾⟜lf¨ pre
+  ≠◶X‿{ExecFile ⊑𝕩}‿{ExecFile ⊑𝕩 ⋄ X 1⊑𝕩} •args
 }0
diff --git a/test/dt.js b/test/dt.js
index 07be98e2..a5862ccf 100755
--- a/test/dt.js
+++ b/test/dt.js
@@ -1,5 +1,5 @@
 //usr/bin/env node "$0" $@;exit $?
-const exec = require('child_process').exec
+const execFile = require('child_process').execFile
     , load=f=>require('fs').readFileSync(__dirname+'/'+f,'utf8')
     , runWasm=w=>new WebAssembly.Instance(new WebAssembly.Module(Uint8Array.from(w)))
                  .exports.fn()
@@ -8,7 +8,7 @@ const t=load('cases.bqn').split('\n').filter(x=>x).map(x=>x.split(' % '))
     , test=t.map(e=>'"'+e[1]+'"').join('\n')
     , expt=t.map(e=>+e[0])
 
-var compiler = exec(__dirname+'/../spec/dzref', function (error, stdout, stderr) {
+var compiler = execFile(__dirname+'/../spec/dzref',[__dirname+'/../dc.bqn','{•←Compile𝕩}¨⟨'+test+'⟩'], function (error, stdout, stderr) {
   const rslt=stdout.split('\n').filter(a=>a.length)
             .map(a=>runWasm(a.split("‿").map(n=>+n)))
       , pass=rslt.map((r,i)=>r===expt[i])
@@ -20,5 +20,3 @@ var compiler = exec(__dirname+'/../spec/dzref', function (error, stdout, stderr)
   )
   process.exit(+(fail.length>0))
 });
-compiler.stdin.write(load('../dc.bqn').concat('{•←Compile𝕩}¨⟨'+test+'⟩'))
-compiler.stdin.end()