diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 25364eb4..60097e9e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,3 +40,24 @@ jobs:
       - name: Show output
         run: |
           echo "${{ toJSON(steps.changed-files-comma.outputs) }}"
+      - name: Run changed-files with specific files
+        id: changed-files-specific
+        uses: ./
+        with:
+          files: |
+            action.yml
+            .github/workflows/test.yml
+      - name: Show output
+        run: |
+          echo "${{ toJSON(steps.changed-files-specific.outputs) }}"
+      - name: Run changed-files with specific files comma separator
+        id: changed-files-specific-comma
+        uses: ./
+        with:
+          files: |
+            action.yml
+            .github/workflows/test.yml
+          separator: ","
+      - name: Show output
+        run: |
+          echo "${{ toJSON(steps.changed-files-specific-comma.outputs) }}"
diff --git a/README.md b/README.md
index 887ddfd4..d030d053 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ Using the default separator.
 |   Output             |    type      |  example                       |         description                      |
 |:-------------------:|:------------:|:------------------------------:|:----------------------------------------:|
 | all_modified_files   |  `string`    |    'new.txt other.png ...'     |  Select all modified files <br /> *i.e a combination of all added, <br />copied and modified files (ACM).*  |
+| has_changed          |  `string`     |     `true OR false`             |  Returns `true` only when the filenames provided using `files` input have all changed |
 | all_changed_files   |  `string`    |    'new.txt other.png ...'     |  Select all paths (*) <br /> *i.e a combination of all options below.*  |
 | added_files         |  `string`    |    'new.txt other.png ...'     |  Select only files that are Added (A)    |
 | copied_files        |  `string`    |    'new.txt other.png ...'     |  Select only files that are Copied (C)   |
@@ -41,6 +42,7 @@ Using the default separator.
 |   Input       |    type    |  required      |  default                      |  description  |
 |:-------------:|:-----------:|:-------------:|:----------------------------:|:-------------:|
 | separator         |  `string`   |    `true` |                          `' '` |  Separator to return outputs        |
+| files         |  `string OR string[]`   |    `false` |                           |  Restricted list of specific files to watch for changes |
 
 
 ## Usage
diff --git a/action.yml b/action.yml
index 8b18a3ba..f3e0d22f 100644
--- a/action.yml
+++ b/action.yml
@@ -6,6 +6,10 @@ inputs:
     description: 'Split character for array output'
     required: true
     default: " "
+  files:
+    description: 'Check for file changes for all files listed (Defaults to the entire repo)'
+    required: false
+    default: ""
 
 outputs:
   added_files:
@@ -38,6 +42,9 @@ outputs:
   all_modified_files:
     description: List of all copied modified and added files
     value: ${{ steps.changed_files.outputs.all_modified_files }}
+  has_changed:
+    description: Return true only when all files provided using the files input have all changed.
+    value: ${{ steps.changed_files.outputs.has_changed }}
 
 runs:
   using: 'composite'
@@ -53,30 +60,96 @@ runs:
           git fetch --depth=1 origin ${TARGET_BRANCH}:${TARGET_BRANCH}
           HEAD_SHA=$(git rev-parse ${TARGET_BRANCH} || true)
         fi
-
-        echo "Getting diff..."
-        ADDED=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        COPIED=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        DELETED=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        MODIFIED=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        RENAMED=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        CHANGED=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        UNMERGED=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        UNKNOWN=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        ALL_CHANGED=$(git diff --diff-filter='*ACDMRTUX' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-        ALL_MODIFIED_FILES=$(git diff --diff-filter='ACM' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
-
         
-        echo "::set-output name=added_files::$ADDED"
-        echo "::set-output name=copied_files::$COPIED"
-        echo "::set-output name=deleted_files::$DELETED"
-        echo "::set-output name=modified_files::$MODIFIED"
-        echo "::set-output name=renamed_files::$RENAMED"
-        echo "::set-output name=changed_files::$CHANGED"
-        echo "::set-output name=unmerged_files::$UNMERGED"
-        echo "::set-output name=unknown_files::$UNKNOWN"
-        echo "::set-output name=all_changed_files::$ALL_CHANGED"
-        echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
+        INPUT_FILES="${{ inputs.files }}"
+
+        if [[ -z "$INPUT_FILES" ]]; then
+
+          echo "Getting diff..."
+
+          ADDED=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          COPIED=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          DELETED=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          MODIFIED=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          RENAMED=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          CHANGED=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          UNMERGED=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          UNKNOWN=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          ALL_CHANGED=$(git diff --diff-filter='*ACDMRTUX' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+          ALL_MODIFIED_FILES=$(git diff --diff-filter='ACM' --name-only "$HEAD_SHA" | tr "\n" "${{ inputs.separator }}" | sed -E 's/(${{ inputs.separator }})$//')
+        
+          echo "::set-output name=added_files::$ADDED"
+          echo "::set-output name=copied_files::$COPIED"
+          echo "::set-output name=deleted_files::$DELETED"
+          echo "::set-output name=modified_files::$MODIFIED"
+          echo "::set-output name=renamed_files::$RENAMED"
+          echo "::set-output name=changed_files::$CHANGED"
+          echo "::set-output name=unmerged_files::$UNMERGED"
+          echo "::set-output name=unknown_files::$UNKNOWN"
+          echo "::set-output name=all_changed_files::$ALL_CHANGED"
+          echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
+
+        else
+          ADDED=()
+          COPIED=()
+          DELETED=()
+          MODIFIED=()
+          RENAMED=()
+          CHANGED=()
+          UNMERGED=()
+          UNKNOWN=()
+          ALL_CHANGED=()
+          ALL_MODIFIED_FILES=()
+
+          for path in ${INPUT_FILES}
+          do
+            echo "Checking for file changes: \"${path}\"..."
+            ADDED+=$(git diff --diff-filter=A --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            COPIED+=$(git diff --diff-filter=C --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            DELETED+=$(git diff --diff-filter=D --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            MODIFIED+=$(git diff --diff-filter=M --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            RENAMED+=$(git diff --diff-filter=R --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            CHANGED+=$(git diff --diff-filter=T --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            UNMERGED+=$(git diff --diff-filter=U --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            UNKNOWN+=$(git diff --diff-filter=X --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            ALL_CHANGED+=$(git diff --diff-filter='*ACDMRTUX' --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+            ALL_MODIFIED_FILES+=$(git diff --diff-filter='ACM' --name-only "$HEAD_SHA" | grep -E "(${path})" | xargs printf "%s${{ inputs.separator }}" || true)
+          done
+
+          ADDED=$(echo "$ADDED" | sed -E 's/(${{ inputs.separator }})$//')
+          COPIED=$(echo $COPIED | sed -E 's/(${{ inputs.separator }})$//')
+          DELETED=$(echo "$DELETED" | sed -E 's/(${{ inputs.separator }})$//')
+          MODIFIED=$(echo "$MODIFIED" | sed -E 's/(${{ inputs.separator }})$//')
+          RENAMED=$(echo "$RENAMED" | sed -E 's/(${{ inputs.separator }})$//')
+          CHANGED=$(echo "$CHANGED" | sed -E 's/(${{ inputs.separator }})$//')
+          UNMERGED=$(echo "$UNMERGED" | sed -E 's/(${{ inputs.separator }})$//')
+          UNKNOWN=$(echo "$UNKNOWN" | sed -E 's/(${{ inputs.separator }})$//')
+          ALL_CHANGED=$(echo "$ALL_CHANGED" | sed -E 's/(${{ inputs.separator }})$//')
+          ALL_MODIFIED_FILES=$(echo "$ALL_MODIFIED_FILES" | sed -E 's/(${{ inputs.separator }})$//')
+          
+          OUTPUT_ALL_MODIFIED_FILES=$(echo $ALL_MODIFIED_FILES | sed "s/${{ inputs.separator }}/ /g")
+          ALL_INPUT_FILES=$(echo $INPUT_FILES | sed "s/\n/ /g")
+
+          IFS=$'\n' SORTED_INPUT_FILES=($(sort <<<"${ALL_INPUT_FILES[*]}"))
+          IFS=$'\n' SORTED_OUTPUT_ALL_MODIFIED_FILES=($(sort <<<"${OUTPUT_ALL_MODIFIED_FILES[*]}"))
+          
+          if [[ "${SORTED_INPUT_FILES[*]}" == "${SORTED_OUTPUT_ALL_MODIFIED_FILES[*]}" ]]; then
+            echo "::set-output name=has_changed::true"
+          else
+            echo "::set-output name=has_changed::false"
+          fi
+
+          echo "::set-output name=added_files::$ADDED"
+          echo "::set-output name=copied_files::$COPIED"
+          echo "::set-output name=deleted_files::$DELETED"
+          echo "::set-output name=modified_files::$MODIFIED"
+          echo "::set-output name=renamed_files::$RENAMED"
+          echo "::set-output name=changed_files::$CHANGED"
+          echo "::set-output name=unmerged_files::$UNMERGED"
+          echo "::set-output name=unknown_files::$UNKNOWN"
+          echo "::set-output name=all_changed_files::$ALL_CHANGED"
+          echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
+        fi
       shell: bash
 
 branding: