rtk-ai/rtk

bug: rtk wget interprets -O - flag as URL

Open

#716 opened on Mar 19, 2026

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bugeffort-smallfilter-qualitygood first issue

Description

Problem

rtk wget https://example.com -O - fails with:

example.com FAILED: Prepended http:// to '-'

RTK treats - (stdout redirect) as a URL and prepends http:// to it.

Expected

Should pass -O - through to wget as a flag, not interpret it as a second URL.

Workaround

rtk wget https://example.com works (without -O -).

Found during

LLM comprehension testing on 57 RTK commands — this was the only command that failed.

Contributor guide

Tech stack
rustshell
Domain
cli
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
basic understanding of CLI argument parsing
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70
Research direction
Look at how rtk parses arguments for the wget subcommand. The issue is that ` O ` is being treated as a URL. Search for where http:// is prepended to arguments, likely in argument validation logic. Consider how to differentiate flags from URLs. The fix may involve checking if an argument starts with ' ' to skip URL processing.