diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 31561dc5..19f7c43f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,13 +40,13 @@ jobs:
           path: dir1
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-dir1.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-dir1.outputs) }}'
         shell:
           bash
       - name: List all modified files
         run: |
           for file in "${{ steps.changed-files-dir1.outputs.modified_files }}"; do
-            echo $file
+            echo "$file"
           done
         shell:
           bash
@@ -62,13 +62,13 @@ jobs:
           path: dir2
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-dir2.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-dir2.outputs) }}'
         shell:
           bash
       - name: List all modified files
         run: |
           for file in "${{ steps.changed-files-dir2.outputs.modified_files }}"; do
-            echo $file
+            echo "$file"
           done
         shell:
           bash
@@ -114,7 +114,7 @@ jobs:
         uses: ./
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files.outputs) }}"
+          echo '${{ toJSON(steps.changed-files.outputs) }}'
         shell:
           bash
       - name: List all modified files
@@ -130,6 +130,26 @@ jobs:
           echo "Your README.md has been modified ${{ steps.changed-files.outputs.modified_files }}."
         shell:
           bash
+      - name: Run changed-files with forward slash separator
+        id: changed-files-forward-slash
+        uses: ./
+        with:
+          separator: "/"
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-forward-slash.outputs) }}'
+        shell:
+          bash
+      - name: Run changed-files with pipe separator
+        id: changed-files-pipe
+        uses: ./
+        with:
+          separator: "|"
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-pipe.outputs) }}'
+        shell:
+          bash
       - name: Run changed-files with comma separator
         id: changed-files-comma
         uses: ./
@@ -137,7 +157,7 @@ jobs:
           separator: ","
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-comma.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-comma.outputs) }}'
         shell:
           bash
       - name: Run changed-files with specific files
@@ -147,6 +167,11 @@ jobs:
           files: |
             .github/workflows/test.yml
             action.yml
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-specific.outputs) }}'
+        shell:
+          bash
       - name: Verify any_changed files
         if: "!contains(steps.changed-files-specific.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific.outputs.all_modified_files, '.github/workflows/test.yml')"
         run: |
@@ -156,11 +181,6 @@ jobs:
           fi
         shell:
           bash
-      - name: Show output
-        run: |
-          echo "${{ toJSON(steps.changed-files-specific.outputs) }}"
-        shell:
-          bash
       - name: Run changed-files with specific files comma check duplicates
         id: changed-files-specific-duplicate-output
         uses: ./
@@ -188,11 +208,60 @@ jobs:
             .github/workflows/test.yml
             action.yml
           separator: ","
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-specific-comma.outputs) }}'
+        shell:
+          bash
       - name: Verify any_changed files comma separator
         if: "!contains(steps.changed-files-specific-comma.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-comma.outputs.all_modified_files, '.github/workflows/test.yml')"
+        run: |
+          if [[ "${{ steps.changed-files-specific-comma.outputs.any_changed }}" != "false" ]]; then
+            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific-comma.outputs.any_changed }})"
+            exit 1
+          fi
+        shell:
+          bash
+      - name: Run changed-files with specific files pipe separator
+        id: changed-files-specific-pipe
+        uses: ./
+        with:
+          files: |
+            .github/workflows/test.yml
+            action.yml
+          separator: "|"
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-specific-pipe.outputs) }}'
+        shell:
+          bash
+      - name: Verify any_changed files comma separator
+        if: "!contains(steps.changed-files-specific-pipe.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-pipe.outputs.all_modified_files, '.github/workflows/test.yml')"
+        run: |
+          if [[ "${{ steps.changed-files-specific-pipe.outputs.any_changed }}" != "false" ]]; then
+            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific-pipe.outputs.any_changed }})"
+            exit 1
+          fi
+        shell:
+          bash
+      - name: Run changed-files with specific files forward slash separator
+        id: changed-files-specific-forward-slash
+        uses: ./
+        with:
+          files: |
+            .github/workflows/test.yml
+            action.yml
+          separator: "/"
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files-specific-forward-slash.outputs) }}'
+        shell:
+          bash
+      - name: Verify any_changed files comma separator
+        if: "!contains(steps.changed-files-specific-forward-slash.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-forward-slash.outputs.all_modified_files, '.github/workflows/test.yml')"
         run: |
           if [[ "${{ steps.changed-files-specific.outputs.any_changed }}" != "false" ]]; then
-            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific.outputs.any_changed }})"
+            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific-forward-slash.outputs.any_changed }})"
             exit 1
           fi
         shell:
@@ -207,17 +276,17 @@ jobs:
           files: |
             .github/workflows/rebase.yml
       - name: Verify any_changed files
-        if: "!contains(steps.changed-files-specific.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific.outputs.all_modified_files, '.github/workflows/test.yml')"
+        if: "!contains(steps.changed-files-specific-source-file.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-source-file.outputs.all_modified_files, '.github/workflows/test.yml')"
         run: |
-          if [[ "${{ steps.changed-files-specific.outputs.any_changed }}" != "false" ]]; then
-            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific.outputs.any_changed }})"
+          if [[ "${{ steps.changed-files-specific-source-file.outputs.any_changed }}" != "false" ]]; then
+            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific-source-file.outputs.any_changed }})"
             exit 1
           fi
         shell:
           bash
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-specific.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-specific-source-file.outputs) }}'
         shell:
           bash
       - name: Run changed-files with specific files from a source file using a comma separator
@@ -228,17 +297,17 @@ jobs:
             test/changed-files-list.txt
           separator: ","
       - name: Verify any_changed files comma separator
-        if: "!contains(steps.changed-files-specific-comma.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-comma.outputs.all_modified_files, '.github/workflows/test.yml')"
+        if: "!contains(steps.changed-files-specific-comma-source-file.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-comma-source-file.outputs.all_modified_files, '.github/workflows/test.yml')"
         run: |
-          if [[ "${{ steps.changed-files-specific.outputs.any_changed }}" != "false" ]]; then
-            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific.outputs.any_changed }})"
+          if [[ "${{ steps.changed-files-specific-comma-source-file.outputs.any_changed }}" != "false" ]]; then
+            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific-comma-source-file.outputs.any_changed }})"
             exit 1
           fi
         shell:
           bash
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-specific-comma.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-specific-comma-source-file.outputs) }}'
         shell:
           bash
       - name: Run changed-files with custom sha
@@ -248,7 +317,7 @@ jobs:
           sha: ${{ github.event.pull_request.head.sha }}
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-custom-sha.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-custom-sha.outputs) }}'
         shell:
           bash
       - name: Get branch name
@@ -267,7 +336,7 @@ jobs:
           base_sha: ${{ steps.last_successful_commit.outputs.commit_hash }}
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-custom-base-sha.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-custom-base-sha.outputs) }}'
         shell:
           bash
       - name: Run changed-files with specific files (only-changed)
@@ -287,6 +356,6 @@ jobs:
           bash
       - name: Show output
         run: |
-          echo "${{ toJSON(steps.changed-files-specific-only-changed.outputs) }}"
+          echo '${{ toJSON(steps.changed-files-specific-only-changed.outputs) }}'
         shell:
           bash
diff --git a/action.yml b/action.yml
index 10b31e7d..ec10159f 100644
--- a/action.yml
+++ b/action.yml
@@ -74,16 +74,7 @@ runs:
   using: 'composite'
   steps:
     - run: |
-        FILES=()
-
-        if [[ -n $INPUT_FILES_FROM_SOURCE_FILE ]]; then
-          for file in $INPUT_FILES_FROM_SOURCE_FILE
-          do
-            FILES+=$(cat $file | sort -u | tr "\n" " " )
-          done
-        fi
-
-        echo "::set-output name=files::$FILES"
+        bash $GITHUB_ACTION_PATH/sourcefiles.sh
       id: source-input-files
       shell: bash
       env:
@@ -101,7 +92,7 @@ runs:
         INPUT_SHA: ${{ inputs.sha }}
         INPUT_BASE_SHA: ${{ inputs.base_sha }}
         INPUT_TOKEN: ${{ inputs.token }}
-        INPUT_FILES: ${{ join(format('{0} {1}', inputs.files, steps.source-input-files.outputs.files), ' ') }}
+        INPUT_FILES: ${{ steps.source-input-files.outputs.files }}
         INPUT_SEPARATOR: ${{ inputs.separator }}
         INPUT_PATH: ${{ inputs.path }}
 
diff --git a/entrypoint.sh b/entrypoint.sh
index 2a33bbbe..268bf1ec 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -62,20 +62,18 @@ fi
 
 echo "Retrieving changes between $PREVIOUS_SHA ($TARGET_BRANCH) → $CURRENT_SHA ($CURRENT_BRANCH)"
 
-UNIQUE_FILES=$(echo "$INPUT_FILES" | tr " " "\n" | sort -u | xargs -0)
-
-if [[ -z "$UNIQUE_FILES" ]]; then
+if [[ -z "${INPUT_FILES[*]}" ]]; then
   echo "Getting diff..."
-  ADDED=$(git diff --diff-filter=A --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  COPIED=$(git diff --diff-filter=C --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  DELETED=$(git diff --diff-filter=D --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  MODIFIED=$(git diff --diff-filter=M --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  RENAMED=$(git diff --diff-filter=R --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  TYPE_CHANGED=$(git diff --diff-filter=T --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  UNMERGED=$(git diff --diff-filter=U --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  UNKNOWN=$(git diff --diff-filter=X --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  ALL_CHANGED=$(git diff --diff-filter="*ACDMRTUX" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
-  ALL_MODIFIED_FILES=$(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | tr "\n" "$INPUT_SEPARATOR" | sed "s/.$//")
+  ADDED=$(git diff --diff-filter=A --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  COPIED=$(git diff --diff-filter=C --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  DELETED=$(git diff --diff-filter=D --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  MODIFIED=$(git diff --diff-filter=M --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  RENAMED=$(git diff --diff-filter=R --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  TYPE_CHANGED=$(git diff --diff-filter=T --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  UNMERGED=$(git diff --diff-filter=U --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  UNKNOWN=$(git diff --diff-filter=X --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  ALL_CHANGED=$(git diff --diff-filter="*ACDMRTUX" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  ALL_MODIFIED_FILES=$(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
 else
   ADDED_ARRAY=()
   COPIED_ARRAY=()
@@ -88,7 +86,7 @@ else
   ALL_CHANGED_ARRAY=()
   ALL_MODIFIED_FILES_ARRAY=()
 
-  for path in ${UNIQUE_FILES}
+  for path in ${INPUT_FILES}
   do
     echo "Checking for file changes: \"${path}\"..."
     IFS=" "
@@ -114,26 +112,37 @@ else
     ALL_MODIFIED_FILES_ARRAY+=($(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
   done
 
-  # shellcheck disable=SC2001
-  ADDED=$(echo "${ADDED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  COPIED=$(echo "${COPIED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  DELETED=$(echo "${DELETED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  MODIFIED=$(echo "${MODIFIED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  RENAMED=$(echo "${RENAMED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  TYPE_CHANGED=$(echo "${TYPE_CHANGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  UNMERGED=$(echo "${UNMERGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  UNKNOWN=$(echo "${UNKNOWN_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  ALL_CHANGED=$(echo "${ALL_CHANGED_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
-  # shellcheck disable=SC2001
-  ALL_MODIFIED_FILES=$(echo "${ALL_MODIFIED_FILES_ARRAY[*]}" | sed 's/  */'"$INPUT_SEPARATOR"'/g' | tr " " "\n" | sort -u | xargs -0)
+  ADDED=$(echo "${ADDED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  COPIED=$(echo "${COPIED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  DELETED=$(echo "${DELETED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  MODIFIED=$(echo "${MODIFIED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  RENAMED=$(echo "${RENAMED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  TYPE_CHANGED=$(echo "${TYPE_CHANGED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  UNMERGED=$(echo "${UNMERGED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  UNKNOWN=$(echo "${UNKNOWN_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  ALL_CHANGED=$(echo "${ALL_CHANGED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+  ALL_MODIFIED_FILES=$(echo "${ALL_MODIFIED_FILES_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
+
+  ALL_OTHER_CHANGED_FILES=$(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA")
+  IFS=" " read -r -a UNIQUE_ALL_MODIFIED_FILES <<< "$(echo "${ALL_MODIFIED_FILES_ARRAY[*]}" | tr " " "\n" | sort -u | tr "\n" " ")"
+  IFS=" " read -r -a OTHER_CHANGED_FILES <<< "$(echo "${ALL_OTHER_CHANGED_FILES[@]}" "${UNIQUE_ALL_MODIFIED_FILES[@]}" | tr " " "\n" | sort | uniq -u | tr "\n" " ")"
+
+  echo "Input files: ${INPUT_FILES[*]}"
+  echo "Matching modified files: ${UNIQUE_ALL_MODIFIED_FILES[*]}"
+
+  if [[ -n "${UNIQUE_ALL_MODIFIED_FILES[*]}" ]]; then
+    echo "::set-output name=any_changed::true"
+  else
+    echo "::set-output name=any_changed::false"
+  fi
+
+  if [[ -n "${OTHER_CHANGED_FILES[*]}" ]]; then
+    echo "Non Matching modified files: ${OTHER_CHANGED_FILES[*]}"
+    echo "::set-output name=only_changed::false"
+    echo "::set-output name=other_changed_files::$OTHER_CHANGED_FILES"
+  else
+    echo "::set-output name=only_changed::true"
+  fi
 fi
 
 echo "Added files: $ADDED"
@@ -147,32 +156,6 @@ echo "Unknown files: $UNKNOWN"
 echo "All changed files: $ALL_CHANGED"
 echo "All modified files: $ALL_MODIFIED_FILES"
 
-if [[ -n "$UNIQUE_FILES" ]]; then
-  # shellcheck disable=SC2001
-  ALL_INPUT_FILES=$(echo "$UNIQUE_FILES" | tr "\n" " " | xargs -0)
-  ALL_OTHER_CHANGED_FILES=$(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA")
-
-  OTHER_CHANGED_FILES=$(echo "${ALL_OTHER_CHANGED_FILES[@]}" "${ALL_MODIFIED_FILES[@]}" | tr " " "\n" | sort | uniq -u | tr "\n" " " | xargs -0)
-
-  echo "Input files: ${ALL_INPUT_FILES[*]}"
-  echo "Matching modified files: ${ALL_MODIFIED_FILES[*]}"
-
-  if [[ -n "$ALL_MODIFIED_FILES" ]]; then
-    echo "::set-output name=any_changed::true"
-  else
-    echo "::set-output name=any_changed::false"
-  fi
-
-  if [[ -n "$OTHER_CHANGED_FILES" ]]; then
-    echo "Non Matching modified files: ${OTHER_CHANGED_FILES[*]}"
-    echo "::set-output name=only_changed::false"
-    echo "::set-output name=other_changed_files::$OTHER_CHANGED_FILES"
-  else
-    echo "::set-output name=only_changed::true"
-  fi
-
-fi
-
 git remote remove temp_changed_files
 
 echo "::set-output name=added_files::$ADDED"
diff --git a/sourcefiles.sh b/sourcefiles.sh
new file mode 100644
index 00000000..f7ba12a7
--- /dev/null
+++ b/sourcefiles.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -e
+
+echo "::group::changed-files-from-source-file"
+
+IFS=" " read -r -a FILES <<< "$(echo "${INPUT_FILES[@]}" | sort -u | tr "\n" " ")"
+
+if [[ -n $INPUT_FILES_FROM_SOURCE_FILE ]]; then
+  for file in $INPUT_FILES_FROM_SOURCE_FILE
+  do
+    while read -r fileName; do
+      FILES+=("$fileName")
+    done <"$file"
+  done
+fi
+
+echo "Input Files: ${FILES[*]}"
+
+IFS=" " read -r -a ALL_UNIQUE_FILES <<< "$(echo "${FILES[@]}" | tr " " "\n" | sort -u | tr "\n" " ")"
+
+echo "All Unique Input files: ${ALL_UNIQUE_FILES[*]}"
+
+echo "::set-output name=files::${ALL_UNIQUE_FILES[*]}"
+
+echo "::endgroup::"