str

A tool for modifying streams, character by character.

Examples

Swap case

:L[32-][:U[32+][]#?]#?

or

:L[#L][#U]#?

or

#S

Quines

`dro;`dro;
`%rdp;`dp;
`dr[d!;]o`d!;

Truth machine

ddb'0=?u

or

ddbMN?u

Buffer the character, unbuffer it if its 0.

Concatenate stack

v'+~Y#!