Use temp file instead of envvar.

Author: sipsorcery

.github/workflows/datachannel_echo-test.yml

@@ -32,8 +32,8 @@ jobs:
         options: "--name echo-server"
 
     steps:
-      - name: Set up result array
-        run: echo "RESULTS=[]" >> $GITHUB_ENV
+      - name: Set up result file
+        run: echo "" > results.txt  # Create or empty the results file
 
       - name: Data Channel test for server ${{ matrix.server }} and ${{ matrix.client }} client
         id: check_connection
@@ -47,7 +47,8 @@ jobs:
       - name: Record result
         run: |
           echo "Result for ${{ matrix.server }} server and ${{ matrix.client }} client, outcome ${{ steps.check_connection.outcome }}, result ${{ steps.check_connection.outputs.TEST_RESULT }}."
-          echo "RESULTS+=['${{ matrix.server }}','${{ matrix.client }}','${{ steps.check_connection.outputs.TEST_RESULT }}']" >> $GITHUB_ENV
+          echo "${{ matrix.server }},${{ matrix.client }},${{ steps.check_connection.outputs.TEST_RESULT }}" >> results.txt # Append result to the file
+          cat results.txt
 
   # Job Description: Collates the results of the interop tests into a mark down table.
   collate:
@@ -57,18 +58,17 @@ jobs:
       - uses: actions/checkout@v2
         with:
           ref: testresults
-      - name: Create results file from environment variable
+      - name: Create results file from results.txt
         run: |
           echo "Collating results from ${{ env.RESULTS }}."
           echo "| Server | Client | Test Result |" > DataChannel_Echo_test_results.md
           echo "|--------|--------|-------------|" >> DataChannel_Echo_test_results.md
           
-          # Read from the RESULTS environment variable
-          echo "Collecting results..."
-          IFS=',' read -r -a results_array <<< "${{ env.RESULTS }}"
-          for result in "${results_array[@]}"; do
-            echo "| ${result[0]} | ${result[1]} | ${result[2]} |" >> DataChannel_Echo_test_results.md
-          done
+          # Read results from the results.txt file
+          while IFS=',' read -r server client result; do
+            echo "| $server | $client | $result |" >> DataChannel_Echo_test_results.md
+          done < results.txt
+          
           cat DataChannel_Echo_test_results.md
       - name: Commit the results to the git repository
         if: github.event_name != 'pull_request'