If you are looking for the complete text of official game scripts (like the Job Change quests or the Eden Group), you can find them in your server folder under the following paths:
: Adds an item to the player's inventory. script npc ro offline
npc/re/scripts_athena.conf (or pre-re for classic). Warpers & Utilities: npc/custom/warper.txt . If you are looking for the complete text