1 | # |

2 | # let arithmetic. |

3 | |

4 | #### let |

5 | # NOTE: no spaces are allowed. How is this tokenized? |

6 | let x=1 |

7 | let y=x+2 |

8 | let z=y*3 # zsh treats this as a glob; bash doesn't |

9 | let z2='y*3' # both are OK with this |

10 | echo $x $y $z $z2 |

11 | ## stdout: 1 3 9 9 |

12 | ## OK zsh stdout-json: "" |

13 | ## OK zsh status: 1 |

14 | |

15 | #### let with () |

16 | let x=( 1 ) |

17 | let y=( x + 2 ) |

18 | let z=( y * 3 ) |

19 | echo $x $y $z |

20 | ## stdout: 1 3 9 |

21 | ## status: 0 |

22 | ## N-I mksh/zsh stdout-json: "" |

23 | ## N-I mksh/zsh status: 1 |