remove grep: warning: stray \ before white space

check_packages2install-pkgmanager/apt.sh

@@ -7,10 +7,11 @@
 # included by ../check_packages2install
 #
 # ---------------------------------------------------------------
-# ah <axel.hahn@iml.unibe.ch>
+# ah <axel.hahn@unibe.ch>
 # 2022-06-03  v1.0  ah  first version
 # 2022-06-07  v1.1  ah  remove text "Nothing to install"
 #                       rename functions
+# 2022-10-21  v1.3  ah  remove grep: warning: stray \ before white space
 # ===============================================================
 
 
@@ -32,7 +33,7 @@ function apt.getPackageList(){
     if [ $iStart -gt 0 ]; then
         # show packages = text starting with 2 spaces below start line
         # packages are delimited with space -> replace with new line
-        echo "$packagemanOut" | sed -n $iStart,\$p | grep "^\ \ " | sed "s#^\ \ ##g" | tr " " "\n"
+        echo "$packagemanOut" | sed -n $iStart,\$p | grep "^  " | sed "s#^\ \ ##g" | tr " " "\n"
     fi
 }