wcurl

Why it's ranked here

The value is narrow but convincing. Common downloads become short commands while retaining access to curl’s broader option set. Version-aware behavior avoids requesting unsupported parallel and no-clobber features. The tested filename safeguards, dry-run mode, and conservative overwrite policy make it more than a disposable convenience script.

What's good

Defaults address practical failure points: HTTP errors fail visibly, redirects work, retries absorb transient problems, and existing files remain protected when curl supports that feature. Multiple URLs can run concurrently. Filename decoding excludes slashes, backslashes, colons, and control characters, reducing path traversal risk while preserving readable names.

Tradeoffs

Behavior depends on the installed curl version. Older releases lose parallel downloads and overwrite protection, while multiple URLs with a custom output name require newer curl. Advanced transfers still demand curl knowledge because extra flags pass through directly, and resuming requires carefully ordered options that permit overwriting the destination.

How to use it well

Use it for interactive shell work, scripts, and repeatable batches where the job is simply fetching files with predictable names and cautious defaults. Check the dry-run output before unusual transfers. Pass occasional curl flags through, but switch to curl itself when option ordering, protocol behavior, or transfer logic becomes central. It is not an application library.

Observed

License

curl license

Primary language

POSIX shell

Interface

Command-line executable

Installation surface

Single downloadable executable script, with a separately installable manpage

Runtime requirement

curl 7.46.0 or newer

Tested platforms

Debian, Fedora, and macOS in continuous integration

Test framework

shunit2