Add an option to output JSON

README.md

@@ -21,3 +21,5 @@ Usage: ./tdx-info [OPTION]
 
 For older versions of BSP or TorizonCore (versions 5 and older), run the following command to print the information:
 wget https://raw.githubusercontent.com/toradex/tdx-info/master/tdx-info --output-document=tdx-info && sudo sh ./tdx-info
+
+If the `JSON_OUTPUT` environment variable is set, the script will output in JSON format.

tdx-info

@@ -9,21 +9,39 @@ TABULATION_WIDTH=25
 
 #### Functions ####
 
+slugify ()
+{
+    echo "$1" | sed -r s/[^a-zA-Z0-9]+/-/g | sed -r s/^-+\|-+$//g | tr A-Z a-z
+}
+
 print_header ()
 {
+    if [ -z "$1" ] ; then
+        echo 'Error: "print_info" is missing parameter(s)!'
+        exit 1
+    fi
+    if [ ! -z "$JSON_OUTPUT" ] ; then
+        if [ -n "$INSIDE_OBJECT" ] ; then
+            printf ",\n"
+        fi
+        echo "  \"$(slugify "$1")\": {"
+        INSIDE_OBJECT=1
+        return
+    fi
     if [ -n "$1" ]; then
         echo ""
         echo "$1"
         printf "%0.s-" $(seq 1 $HORIZONTAL_LINE_WIDTH)
         printf "\n"
-    else
-        echo 'Error: "print_header" called without a parameter!'
-        exit 1
     fi
 }
 
 print_info ()
 {
+    if [ ! -z "$JSON_OUTPUT" ] ; then
+        print_info_json "$1" "$2"
+        return
+    fi
     if [ -z "$1" ] ; then
         echo 'Error: "print_info" is missing parameter(s)!'
         exit 1
@@ -39,8 +57,29 @@ print_info ()
     fi
 }
 
+print_info_json ()
+{
+    if [ -z "$1" ] ; then
+        echo 'Error: "print_info" is missing parameter(s)!'
+        exit 1
+    fi
+    if [ -n "$INSIDE_OBJECT_2" ] ; then
+        printf ",\n"
+    fi
+    INSIDE_OBJECT_2=1
+
+    #                                                          \ -> \\)              " -> \"               newline -> \n
+    echo -n "    \"$(slugify "$1")\": \"$(echo -n "$2" | sed "s/['\\]/\\\&/g" | sed "s/['\"]/\\\&/g" | sed ':a;N;$!ba;s/\n/\\n/g')\""
+}
+
 print_footer ()
 {
+    if [ ! -z "$JSON_OUTPUT" ] ; then
+        printf "  }"
+        unset INSIDE_OBJECT_2
+        return
+    fi
+
     printf "%0.s-" $(seq 1 $HORIZONTAL_LINE_WIDTH)
     printf "\n"
 }
@@ -253,6 +292,11 @@ check_root_user
 distro_detect
 devicetree_detect
 bootloader_detect
+if [ ! -z "$JSON_OUTPUT" ] ; then
+    echo "{"
+fi
+
+
 
 if [ $# -ne 0 ]; then
 
@@ -302,3 +346,6 @@ else
     software_summary
     hardware_info
 fi
+if [ ! -z "$JSON_OUTPUT" ] ; then
+    printf "\n}\n"
+fi