Determining the type of an argument by looking up the presence of ':', '=', or '==' is brilliant. I liked it. It can also be used to replace Wget, which not on

Determining the type of an argument by looking up the presence of ':', '=', or '==' is brilliant. I liked it. It can also be used to replace Wget, which not only breaks a multibyte filename sometimes, but also requires the --content-disposition option to handle the Content-Disposition header.