diff --git a/.bauke/Deno.md b/.bauke/Deno.md
index 01d6cbc..2cf40a5 100644
--- a/.bauke/Deno.md
+++ b/.bauke/Deno.md
@@ -2,6 +2,7 @@
 
 ## Scripts
 
+- [`bulk`]: bulk doer of things.
 - [`codium-extensions`]: save and install VS Codium extensions using their identifier.
 - [`copy-nixos-config`]: copies NixOS configuration from `$BAUKE_DIR/nix/<hostname>/` to `/etc/nixos/`.
 - [`desktop-wallpaper`]: desktop wallpaper changer.
@@ -11,6 +12,7 @@
 - [`simple-git-push`]: `git push` with extra semantics.
 - [`tauon-controls`]: remote control CLI for Tauon Music Box.
 
+[`bulk`]: ./scripts/bulk/bulk.ts
 [`codium-extensions`]: ./scripts/codium-extensions.ts
 [`copy-nixos-config`]: ./scripts/copy-nixos-config.ts
 [`desktop-wallpaper`]: ./scripts/desktop-wallpaper.ts
diff --git a/.bauke/bin/bulk b/.bauke/bin/bulk
new file mode 100755
index 0000000..f37d47c
--- /dev/null
+++ b/.bauke/bin/bulk
@@ -0,0 +1,7 @@
+#!/usr/bin/env zsh
+
+deno run \
+  --allow-read \
+  --allow-run \
+  "$BAUKE_DIR/scripts/bulk/bulk.ts" \
+  "$@"
diff --git a/.bauke/scripts/bulk/bulk.ts b/.bauke/scripts/bulk/bulk.ts
new file mode 100644
index 0000000..52cb081
--- /dev/null
+++ b/.bauke/scripts/bulk/bulk.ts
@@ -0,0 +1,15 @@
+import { Command } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";
+
+import { runCommand } from "./run.ts";
+
+async function main(): Promise<void> {
+  await new Command()
+    .name("bulk")
+    .description("Bulk doer of things.")
+    .command("run", runCommand)
+    .parse(Deno.args);
+}
+
+if (import.meta.main) {
+  void main();
+}
diff --git a/.bauke/scripts/bulk/run.ts b/.bauke/scripts/bulk/run.ts
new file mode 100644
index 0000000..829f3f7
--- /dev/null
+++ b/.bauke/scripts/bulk/run.ts
@@ -0,0 +1,146 @@
+import { Command } from "https://deno.land/x/cliffy@v0.25.5/command/mod.ts";
+import * as prompt from "https://deno.land/x/cliffy@v0.25.5/prompt/mod.ts";
+
+export const runCommand = new Command()
+  .name("run")
+  .description("Run a command over a group of files and directories.")
+  .option(
+    "-d, --directory <directory:string>",
+    "Directories to include files from.",
+    {
+      collect: true,
+      required: true,
+    },
+  )
+  .option(
+    "--include-directories",
+    "Include directories found inside the directories.",
+  )
+  .action(async ({ directory, includeDirectories }) => {
+    await actionHandler({
+      directories: directory,
+      includeDirectories: includeDirectories ?? false,
+    });
+  });
+
+async function actionHandler(
+  options: {
+    directories: string[];
+    includeDirectories: boolean;
+  },
+): Promise<void> {
+  let command: string[] = [];
+  const previousPromptArgs: Map<number, string> = new Map();
+  const suggestedPromptArgs: Set<string> = new Set();
+  const substituteMarkers = {
+    absoluteFile: "$absoluteFile",
+    filename: "$filename",
+  };
+
+  for (const directory of options.directories) {
+    console.log(`\n## Input for ${directory}`);
+    const constructedCommands: string[][] = [];
+    const prompts = await prompt.prompt([
+      {
+        type: prompt.List,
+        name: "command",
+        message: "Arguments of the command to run separated by comma",
+        default: command,
+        suggestions: Object.values(substituteMarkers),
+      },
+      {
+        type: prompt.Confirm,
+        name: "confirmCommands",
+        message: "Manually approve each command invocation",
+        default: true,
+      },
+    ]);
+
+    command = prompts.command ?? command;
+    for await (const file of Deno.readDir(directory)) {
+      if (!options.includeDirectories && file.isDirectory) {
+        continue;
+      }
+
+      const absoluteFile = await Deno.realPath(`${directory}/${file.name}`);
+      const constructedCommand: string[] = [];
+      let promptArgCount = 1;
+      const substitutes = [
+        [substituteMarkers.absoluteFile, absoluteFile],
+        [substituteMarkers.filename, file.name],
+      ];
+
+      argumentLoop:
+      for (const argument of command) {
+        if (argument === "$prompt") {
+          const { promptedArg } = await prompt.prompt([{
+            type: prompt.Input,
+            name: "promptedArg",
+            message: `$prompt ${promptArgCount} for ${absoluteFile}`,
+            default: previousPromptArgs.get(promptArgCount) ?? "",
+            suggestions: Array.from(suggestedPromptArgs),
+          }]);
+
+          previousPromptArgs.set(promptArgCount, promptedArg!);
+          suggestedPromptArgs.add(promptedArg!);
+          constructedCommand.push(promptedArg!);
+          promptArgCount += 1;
+        } else {
+          for (const [marker, substitute] of substitutes) {
+            if (argument === marker) {
+              constructedCommand.push(substitute);
+              continue argumentLoop;
+            }
+          }
+
+          constructedCommand.push(argument);
+        }
+      }
+
+      if (prompts.confirmCommands) {
+        const { confirmedRun } = await prompt.prompt([
+          {
+            type: prompt.Confirm,
+            name: "confirmedRun",
+            message: `Run "${constructedCommand.join(" ")}"`,
+            default: true,
+          },
+        ]);
+
+        if (!confirmedRun) {
+          continue;
+        }
+      }
+
+      constructedCommands.push(constructedCommand);
+    }
+
+    if (constructedCommands.length === 0) {
+      console.log("\n No commands to run.");
+      continue;
+    }
+
+    console.log("\n## Commands");
+    console.log(constructedCommands.map((c) => c.join(" ")).join("\n"));
+
+    const { confirmedRun } = await prompt.prompt([
+      {
+        type: prompt.Confirm,
+        name: "confirmedRun",
+        message: "Is this correct",
+        default: true,
+      },
+    ]);
+
+    if (!confirmedRun) {
+      continue;
+    }
+
+    console.log("\n## Output");
+    for (const constructedCommand of constructedCommands) {
+      await Deno.run({
+        cmd: constructedCommand,
+      }).status();
+    }
+  }
+}