diff --git a/.changeset/sharp-days-kiss.md b/.changeset/sharp-days-kiss.md
new file mode 100644
index 00000000..a8f01e48
--- /dev/null
+++ b/.changeset/sharp-days-kiss.md
@@ -0,0 +1,5 @@
+---
+'prettier-plugin-sh': minor
+---
+
+add support for file pragmas
diff --git a/packages/sh/package.json b/packages/sh/package.json
index 0f8c76f0..608b939a 100644
--- a/packages/sh/package.json
+++ b/packages/sh/package.json
@@ -40,6 +40,10 @@
     "mvdan-sh": "^0.10.1",
     "sh-syntax": "^0.4.2"
   },
+  "devDependencies": {
+    "@types/common-tags": "^1.8.4",
+    "common-tags": "^1.8.2"
+  },
   "publishConfig": {
     "access": "public"
   }
diff --git a/packages/sh/src/index.ts b/packages/sh/src/index.ts
index 3f3dceb5..3107fb63 100644
--- a/packages/sh/src/index.ts
+++ b/packages/sh/src/index.ts
@@ -108,6 +108,44 @@ const ShPlugin: Plugin<Node | ShSyntaxNode> = {
         }
       },
       astFormat: 'sh',
+      hasPragma: (text: string): boolean => {
+        // We don't want to parse every file twice but Prettier's interface
+        // isn't conducive to caching/memoizing an upstream Parser, so we're
+        // going with some minor Regex hackery.
+        //
+        // Only read empty lines, comments, and shebangs at the start of the file.
+        // We do not support Bash's pseudo-block comments.
+
+        // No, we don't support unofficial block comments.
+        const commentLineRegex = /^\s*(#(?<comment>.*))?$/gm
+        let lastIndex = -1
+
+        // Only read leading comments, skip shebangs, and check for the pragma.
+        // We don't want to have to parse every file twice.
+        for (;;) {
+          const match = commentLineRegex.exec(text)
+
+          // Found "real" content, EoF, or stuck in a loop.
+          if (match == null || match.index !== lastIndex + 1) {
+            return false
+          }
+
+          lastIndex = commentLineRegex.lastIndex
+          const comment = match.groups?.comment?.trim()
+
+          // Empty lines and shebangs have no captures
+          if (comment == null) {
+            continue
+          }
+
+          if (
+            comment.startsWith('@prettier') ||
+            comment.startsWith('@format')
+          ) {
+            return true
+          }
+        }
+      },
       locStart: node =>
         isFunction(node.Pos) ? node.Pos().Offset() : node.Pos.Offset,
       locEnd: node =>
diff --git a/packages/sh/test/parser.spec.ts b/packages/sh/test/parser.spec.ts
new file mode 100644
index 00000000..24829a2f
--- /dev/null
+++ b/packages/sh/test/parser.spec.ts
@@ -0,0 +1,116 @@
+import { stripIndent } from 'common-tags'
+import { describe, it, assert, expect } from 'vitest'
+
+import ShPlugin from 'prettier-plugin-sh'
+
+describe('parser', () => {
+  const hasPragma = ShPlugin.parsers?.sh?.hasPragma
+  assert(hasPragma != null)
+
+  describe('should detect pragmas', () => {
+    it('at the top of the file', () => {
+      expect(
+        hasPragma(stripIndent`
+        # @prettier
+        FOO="bar"
+      `),
+      ).toBeTruthy()
+    })
+
+    it('with extra leading spaces', () => {
+      expect(
+        hasPragma(stripIndent`
+        #   @prettier
+        FOO="bar"
+      `),
+      ).toBeTruthy()
+    })
+
+    it('with no leading space', () => {
+      expect(
+        hasPragma(stripIndent`
+        #@prettier
+        FOO="bar"
+      `),
+      ).toBeTruthy()
+    })
+
+    it('with "format" pragma instead', () => {
+      expect(
+        hasPragma(stripIndent`
+        # @format
+        FOO="bar"
+      `),
+      ).toBeTruthy()
+    })
+
+    it('after leading whitespace', () => {
+      expect(
+        hasPragma(stripIndent`
+
+
+        # @prettier
+        FOO="bar"
+      `),
+      ).toBeTruthy()
+    })
+
+    it('after leading comments', () => {
+      expect(
+        hasPragma(stripIndent`
+        # Testing!
+
+        #
+        #
+        # @prettier
+        FOO="bar"
+      `),
+      ).toBeTruthy()
+    })
+
+    it('after a shebang', () => {
+      expect(
+        hasPragma(stripIndent`
+        #!/bin/bash
+        #
+
+        # @prettier
+        FOO="bar"
+      `),
+      ).toBeTruthy()
+    })
+
+    it('unless none exist', () => {
+      expect(
+        hasPragma(stripIndent`
+        FOO="bar"
+      `),
+      ).toBeFalsy()
+    })
+
+    it('unless the file is empty', () => {
+      expect(hasPragma('')).toBeFalsy()
+    })
+
+    it('unless it comes after real content', () => {
+      expect(
+        hasPragma(stripIndent`
+        FOO="bar"
+        # @prettier
+      `),
+      ).toBeFalsy()
+    })
+
+    it('unless it comes after real content and comments', () => {
+      expect(
+        hasPragma(stripIndent`
+
+        # Test
+        #!
+        FOO="bar"
+        # @prettier
+      `),
+      ).toBeFalsy()
+    })
+  })
+})
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a4e4105a..8bb10df0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -153,6 +153,13 @@ importers:
       sh-syntax:
         specifier: ^0.4.2
         version: 0.4.2
+    devDependencies:
+      '@types/common-tags':
+        specifier: ^1.8.4
+        version: 1.8.4
+      common-tags:
+        specifier: ^1.8.2
+        version: 1.8.2
 
   packages/sql:
     dependencies:
@@ -4578,6 +4585,10 @@ packages:
     resolution: {integrity: sha512-uLK0/0dOYdkX8hNsezpYh1gc8eerbhf9bOKZ3e24sP67703mw9S14/yW6mSTatiaKO9v+mU/a1EVy4rOXXeZTA==}
     dev: true
 
+  /@types/common-tags@1.8.4:
+    resolution: {integrity: sha512-S+1hLDJPjWNDhcGxsxEbepzaxWqURP/o+3cP4aa2w7yBXgdcmKGQtZzP8JbyfOd0m+33nh+8+kvxYE2UJtBDkg==}
+    dev: true
+
   /@types/concat-stream@2.0.0:
     resolution: {integrity: sha512-t3YCerNM7NTVjLuICZo5gYAXYoDvpuuTceCcFQWcDQz26kxUR5uIWolxbIR5jRNIXpMqhOpW/b8imCR1LEmuJw==}
     dependencies:
@@ -6321,6 +6332,11 @@ packages:
     engines: {node: '>= 12.0.0'}
     dev: true
 
+  /common-tags@1.8.2:
+    resolution: {integrity: sha512-gk/Z852D2Wtb//0I+kRFNKKE9dIIVirjoqPoA1wJU+XePVXZfGeBpk45+A1rKO4Q43prqWBNY/MiIeRLbPWUaA==}
+    engines: {node: '>=4.0.0'}
+    dev: true
+
   /commondir@1.0.1:
     resolution: {integrity: sha512-W9pAhw0ja1Edb5GVdIF1mjZw/ASI0AlShXM83UUGe2DVr5TdAPEA1OA8m/g8zWp9x6On7gqufY+FatDbC3MDQg==}
     dev: true