Bug: PERIOD environmental variable, ZSH conflict #485

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saavagebueno · 2025-11-20T04:24:31-05:00

saavagebueno commented

2025-11-20 04:24:31 -05:00

Originally created by @xgpt on GitHub (Jan 19, 2025).

TLDR: ZSH utilizes 'PERIOD' environmental variable for a builtin function. Bad name for this variable if running the bare binary on the host

Is this urgent: No, but a warning about using this variable with ZSH might lead to fewer headaches for users on ZSH vs. BASH/SH
DNS provider(s) you use: irrelevant, but porkbun!
Program version:
This bug is about the documentation more than the latest compiled version.
What are you using to run the container: go install
Extra information (optional)

Host OS:

Arch(btw) and Ubuntu

Originally created by @xgpt on GitHub (Jan 19, 2025).  **TLDR**: *ZSH utilizes 'PERIOD' environmental variable for a builtin function. Bad name for this variable if running the bare binary on the host* 1. Is this urgent: No, but a warning about using this variable with ZSH might lead to fewer headaches for users on ZSH vs. BASH/SH 2. DNS provider(s) you use: irrelevant, but porkbun! 3. Program version: This bug is about the documentation more than the latest compiled version. 4. What are you using to run the container: go install 5. Extra information (optional) Host OS: Arch(btw) and Ubuntu

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Reference: starred/ddns-updater#485