Trying to execute a bash command

Jenkinsfile

@@ -188,61 +188,11 @@ def printReport(report) {
 }
 
 def appendNotes(report) {
-     sh("""
+     sh("""#!/bin/bash
         echo -e "${report}" > $WALKER_NOTES
      """)
 }
 
-// print the final report
-def saveReport(report) {
-    def text = ''
-    def indent = '\t'
-    sh("""
-	    echo "Dependency Report for ${report['project']}" > $WALKER_NOTES
-	    echo  "\n\n" >>   $WALKER_NOTES
-	    echo "|--Project Maven Modules " >> $WALKER_NOTES
-	""")    
-	report['downstream_modules'].each { depth, artifacts ->
-	    artifacts.each { name, data ->
-	        sh("""
-	            echo "${indent}|--Module: ${name}\n" >>   $WALKER_NOTES
-	            echo "${indent * 2}|--Deepest Dependency Level: ${depth}\n" >>   $WALKER_NOTES
-	            echo "${indent * 2}|--Used by (Maven Modules)\n" >>   $WALKER_NOTES
-	        """)    
-	        data['dependencies'].each { d ->
-	            sh("""
-	                echo "${indent * 3}|--${d}" >>   $WALKER_NOTES
-	                echo "\n"  >>   $WALKER_NOTES
-	            """)    
-	        }
-	        sh("""
-	            echo "${indent * 2}|--Referred by (Jenkins Projects)\n" >>   $WALKER_NOTES
-	        """)    
-	        data['projects'].each { p ->
-	            sh("""
-	                echo "${indent * 3}|--${p}" >>   $WALKER_NOTES
-	                echo  "\n" >>   $WALKER_NOTES
-	            """)    
-	        }
-	    }
-	}
-	sh("""
-	    echo "\n\n"  >>   $WALKER_NOTES
-	    echo "|--All Downstream Projects\n" >>   $WALKER_NOTES
-	""")    
-	report['downstream_projects'].unique().sort()
-	report['downstream_projects'].each { p ->
-	    sh("""
-	         echo "${indent}|--${p}" >> $WALKER_NOTES
-	         echo "\n" >> $WALKER_NOTES
-	     """)    
-	}
- 
-}
-
-
-
-
 // debug job
 def printJob(job) {
     println("fullname ${job.fullName}")