>>2801160Some people don't handle them well, but you can just take a bit of ground up psyllium husk in a bag and eat about a teaspoon of that a day in whichever form you prefer. In my case, that almost eliminates the use for toilet paper.
If water isn't in short supply, a hiking bidet is also a great solution. There's a few choices for premade options, just get something that attaches to a PET bottle.
If you have a 3D printer, print
https://makerworld.com/en/models/396909 or any of the other options, whatever your usecase is.
If you don't like overpaying for a little piece of plastic and don't have a 3D printer, just take a normal PET bottlecap, jam a hole in it that focuses a stream, and voila, portable bidet. The stream won't come out the side, which is nicer, but it'll work just fine.