fix ssh-keyscan.sh newlines printf

capsulflask/shell_scripts/ssh-keyscan.sh

@@ -8,15 +8,16 @@ if echo "$ip_address" | grep -vqE '^([0-9]{1,3}\.){3}[0-9]{1,3}$'; then
 fi
 
 printf  '['
-DELIMITER="\n"
+DELIMITER=""
 ssh-keyscan "$ip_address" 2>/dev/null | while read -r line; do
   if echo "$line" | grep -qE "^$ip_address"' +(ssh|ecdsa)-[0-9A-Za-z+/_=@. -]+$'; then
     KEY_CONTENT="$(echo "$line" | awk '{ print $2 " " $3 }')"
     FINGERPRINT_OUTPUT="$(echo "$KEY_CONTENT" | ssh-keygen -l -E sha256 -f - | sed -E 's/^[0-9]+ SHA256:([0-9A-Za-z+/-]+) .+ \(([A-Z0-9]+)\)$/\1 \2/g')"
     SHA256_HASH="$(echo "$FINGERPRINT_OUTPUT" | awk '{ print $1 }')"
     KEY_TYPE="$(echo "$FINGERPRINT_OUTPUT" | awk '{ print $2 }')"
-    printf '%s{"key_type":"%s", "content":"%s", "sha256":"%s"}' "$DELIMITER" "$KEY_TYPE" "$KEY_CONTENT" "$SHA256_HASH"
-    DELIMITER=",\n"
+    printf '%s\n  {"key_type":"%s", "content":"%s", "sha256":"%s"}' "$DELIMITER" "$KEY_TYPE" "$KEY_CONTENT" "$SHA256_HASH"
+    DELIMITER=","
   fi
 done
 printf '\n]\n'
+