Fix shell script to correctly parse tab-separated subscription output and update documentation for login command

Author: Pavan-Microsoft

content-gen/docs/QuotaCheck.md

@@ -8,14 +8,14 @@ Before deploying the Content Generation Solution Accelerator, **ensure sufficien
 
 
 ### Login if you have not done so already
-```
-azd auth login
+```sh
+az login
 ```
 
 
 ### 📌 Default Models & Capacities:
 ```
-gpt-5.1:150, gpt-image-1:1
+gpt-5.1:150,gpt-image-1:1
 ```
 **Note:** GPT-5.1 capacity is in tokens, GPT-Image-1 capacity is in RPM (Requests Per Minute).
 ### 📌 Default Regions:

content-gen/infra/script/quota_check_params.sh

@@ -52,7 +52,7 @@ if [ "$SUB_COUNT" -eq 0 ]; then
     exit 1
 elif [ "$SUB_COUNT" -eq 1 ]; then
     # If only one subscription, automatically select it
-    AZURE_SUBSCRIPTION_ID=$(echo "$SUBSCRIPTIONS" | awk '{print $2}')
+    AZURE_SUBSCRIPTION_ID=$(echo "$SUBSCRIPTIONS" | awk -F '\t' '{print $2}')
     if [ -z "$AZURE_SUBSCRIPTION_ID" ]; then
         echo "❌ ERROR: No active Azure subscriptions found. Please log in using 'az login' and ensure you have an active subscription."
         exit 1
@@ -61,15 +61,15 @@ elif [ "$SUB_COUNT" -eq 1 ]; then
 else
     # If multiple subscriptions exist, prompt the user to choose one
     echo "Multiple subscriptions found:"
-    echo "$SUBSCRIPTIONS" | awk '{print NR")", $1, "-", $2}'
+    echo "$SUBSCRIPTIONS" | awk -F '\t' '{print NR")", $1, "-", $2}'
 
     while true; do
         echo "Enter the number of the subscription to use:"
         read SUB_INDEX
 
         # Validate user input
         if [[ "$SUB_INDEX" =~ ^[0-9]+$ ]] && [ "$SUB_INDEX" -ge 1 ] && [ "$SUB_INDEX" -le "$SUB_COUNT" ]; then
-            AZURE_SUBSCRIPTION_ID=$(echo "$SUBSCRIPTIONS" | awk -v idx="$SUB_INDEX" 'NR==idx {print $2}')
+            AZURE_SUBSCRIPTION_ID=$(echo "$SUBSCRIPTIONS" | awk -F '\t' -v idx="$SUB_INDEX" 'NR==idx {print $2}')
             echo "✅ Selected Subscription: $AZURE_SUBSCRIPTION_ID"
             break
         else