diff --git a/packages/squiggle-lang/scripts/bench-map-reduce.mjs b/packages/squiggle-lang/scripts/bench-map-reduce.mjs
index 5dfbca0f..82c6d8e8 100755
--- a/packages/squiggle-lang/scripts/bench-map-reduce.mjs
+++ b/packages/squiggle-lang/scripts/bench-map-reduce.mjs
@@ -1,15 +1,6 @@
 #!/usr/bin/env node
 import { SqProject } from "@quri/squiggle-lang";
-
-const measure = (cb, times = 1) => {
-  const t1 = new Date();
-
-  for (let i = 1; i <= times; i++) {
-    cb();
-  }
-  const t2 = new Date();
-  return (t2 - t1) / 1000;
-};
+import { measure } from "./lib.mjs";
 
 const maxP = 5;
 
diff --git a/packages/squiggle-lang/scripts/bench-map.mjs b/packages/squiggle-lang/scripts/bench-map.mjs
index c7a00477..5959a2fb 100755
--- a/packages/squiggle-lang/scripts/bench-map.mjs
+++ b/packages/squiggle-lang/scripts/bench-map.mjs
@@ -1,15 +1,6 @@
 #!/usr/bin/env node
 import { SqProject } from "@quri/squiggle-lang";
-
-const measure = (cb, times = 1) => {
-  const t1 = new Date();
-
-  for (let i = 1; i <= times; i++) {
-    cb();
-  }
-  const t2 = new Date();
-  return (t2 - t1) / 1000;
-};
+import { measure } from "./lib.mjs";
 
 const maxP = 7;
 
diff --git a/packages/squiggle-lang/scripts/lib.mjs b/packages/squiggle-lang/scripts/lib.mjs
new file mode 100644
index 00000000..ffa1d84f
--- /dev/null
+++ b/packages/squiggle-lang/scripts/lib.mjs
@@ -0,0 +1,41 @@
+import { SqProject } from "@quri/squiggle-lang";
+
+export const measure = (cb, times = 1) => {
+  const t1 = new Date();
+
+  for (let i = 1; i <= times; i++) {
+    cb();
+  }
+  const t2 = new Date();
+  return (t2 - t1) / 1000;
+};
+
+export const red = (str) => `\x1b[31m${str}\x1b[0m`;
+export const green = (str) => `\x1b[32m${str}\x1b[0m`;
+
+export const run = (src, { output, sampleCount }) => {
+  const project = SqProject.create();
+  if (sampleCount) {
+    project.setEnvironment({
+      sampleCount: Number(sampleCount),
+      xyPointLength: Number(sampleCount),
+    });
+  }
+  project.setSource("main", src);
+  const time = measure(() => project.run("main"));
+
+  const bindings = project.getBindings("main");
+  const result = project.getResult("main");
+
+  if (output) {
+    console.log("Result:", result.tag, result.value.toString());
+    console.log("Bindings:", bindings.toString());
+  }
+
+  console.log(
+    "Time:",
+    String(time),
+    result.tag === "Error" ? red(result.tag) : green(result.tag),
+    result.tag === "Error" ? result.value.toString() : ""
+  );
+};
diff --git a/packages/squiggle-lang/scripts/run-file.mjs b/packages/squiggle-lang/scripts/run-file.mjs
index 23041a5a..21d9de2d 100755
--- a/packages/squiggle-lang/scripts/run-file.mjs
+++ b/packages/squiggle-lang/scripts/run-file.mjs
@@ -1,21 +1,9 @@
 #!/usr/bin/env node
-import { SqProject } from "@quri/squiggle-lang";
 import fs from "fs";
 
 import { Command } from "commander";
 
-const measure = (cb, times = 1) => {
-  const t1 = new Date();
-
-  for (let i = 1; i <= times; i++) {
-    cb();
-  }
-  const t2 = new Date();
-  return (t2 - t1) / 1000;
-};
-
-const red = (str) => `\x1b[31m${str}\x1b[0m`;
-const green = (str) => `\x1b[32m${str}\x1b[0m`;
+import { run } from "./lib.mjs";
 
 const program = new Command();
 
@@ -24,34 +12,11 @@ program.arguments("<string>");
 
 const options = program.parse(process.argv);
 
-const project = SqProject.create();
 const sampleCount = process.env.SAMPLE_COUNT;
-if (sampleCount) {
-  project.setEnvironment({
-    sampleCount: Number(sampleCount),
-    xyPointLength: Number(sampleCount),
-  });
-}
 
 const src = fs.readFileSync(program.args[0], "utf-8");
 if (!src) {
   throw new Error("Expected src");
 }
 
-project.setSource("main", src);
-const time = measure(() => project.run("main"));
-
-const bindings = project.getBindings("main");
-const result = project.getResult("main");
-
-if (options.output) {
-  console.log("Result:", result.tag, result.value.toString());
-  console.log("Bindings:", bindings.toString());
-}
-
-console.log(
-  "Time:",
-  String(time),
-  result.tag === "Error" ? red(result.tag) : green(result.tag),
-  result.tag === "Error" ? result.value.toString() : ""
-);
+run(src, { output: options.output, sampleCount });
diff --git a/packages/squiggle-lang/scripts/run.mjs b/packages/squiggle-lang/scripts/run.mjs
index 6f842eef..bc17314b 100755
--- a/packages/squiggle-lang/scripts/run.mjs
+++ b/packages/squiggle-lang/scripts/run.mjs
@@ -1,18 +1,10 @@
 #!/usr/bin/env node
-import { SqProject } from "@quri/squiggle-lang";
-
-const project = SqProject.create();
+import { run } from "./lib.mjs";
 
 const src = process.argv[2];
 if (!src) {
   throw new Error("Expected src");
 }
 console.log(`Running ${src}`);
-project.setSource("a", src);
-project.run("a");
 
-const result = project.getResult("a");
-console.log(result.tag, result.value.toString());
-
-const bindings = project.getBindings("a");
-console.log(bindings.asValue().toString());
+run(src);