Use shared check file

.github/workflows/1-add-headers.yml

@@ -56,10 +56,10 @@ jobs:
 
  # Check that there is at least one header in the markdown file.
  - name: Check markdown syntax, header
- run: ./.github/script/check-file.sh
- env:
- FILE: "index.md"
- SEARCH: "# [a-zA-Z0-9]"
+ uses: skills/action-check-file@v1
+ with:
+ file: "index.md"
+ search: "# [a-zA-Z0-9]"
 
  # In README.md, switch step 1 for step 2.
  - name: Update to step 2

.github/workflows/2-add-an-image.yml

@@ -56,10 +56,10 @@ jobs:
 
  # Check that there is at least one image in the markdown file.
  - name: Check markdown syntax, image
- run: ./.github/script/check-file.sh
- env:
- FILE: "index.md"
- SEARCH: "\\!\\[.*](.*)"
+ uses: skills/action-check-file@v1
+ with:
+ file: "index.md"
+ search: "\\!\\[.*](.*)"
 
  # In README.md, switch step 2 for step 3.
  - name: Update to step 3

.github/workflows/3-add-a-code-example.yml

@@ -56,10 +56,10 @@ jobs:
 
  # Check that there is at least one code example in the markdown file.
  - name: Check markdown syntax, code example
- run: ./.github/script/check-file.sh
- env:
- FILE: "index.md"
- SEARCH: "\\`\\`\\`"
+ uses: skills/action-check-file@v1
+ with:
+ file: "index.md"
+ search: "\\`\\`\\`"
 
  # In README.md, switch step 3 for step 4.
  - name: Update to step 4

.github/workflows/4-make-a-task-list.yml

@@ -56,10 +56,10 @@ jobs:
 
  # Make sure there is at least one task list item in the file.
  - name: Check markdown syntax, task list
- run: ./.github/script/check-file.sh
- env:
- FILE: "index.md"
- SEARCH: "\\- \\[ ] "
+ uses: skills/action-check-file@v1
+ with:
+ file: "index.md"
+ search: "\\- \\[ ] "
 
  # In README.md, switch step 4 for step 5.
  - name: Update to step 5