dizzy: solution in bash

strings/tfcctf2023-dizzy/solve-ariyonaty.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# Usage: ./solve-ariyonaty.sh
+
+# Encoded text
+message="T4 l16 _36 510 _27 s26 _11 320 414 {6 }39 C2 T0 m28 317 y35 d31 F1 m22 g19 d38 z34 423 l15 329 c12 ;37 19 h13 _30 F5 t7 C3 325 z33 _21 h8 n18 132 k24"
+
+# Split the encoded message into segments
+segments=($message)
+
+# Create indexed array to store decoded msg
+declare -a decoded_message
+
+# Iterate through each segment and decode the message
+for segment in ${segments[@]}; do
+    # Extract the character and index from the segment
+    char=${segment:0:1}
+    index=${segment:1}
+
+    # Add char to associated index
+    decoded_message[$index]=$char
+done
+
+# Construct the final decoded message
+answer=""
+for char in ${decoded_message[@]}; do
+    answer+=$char
+done
+
+# Print the decoded message
+echo $answer