File recovery is always possible. Unmount the partition (remount read-only if you have to), use a program like hexedit to open the raw disk partition and search

File recovery is always possible. Unmount the partition (remount read-only if you have to), use a program like hexedit to open the raw disk partition and search for a unique series of text found in your script files, copy and paste the contents into new file, script restored!