@main[]

1. ^try-catch{^file:base64[;;bug]}

2. ^file:base64[001.html; ]
3. ^file:base64[001.html; $.pad(false) ]

4. ^file:base64[395_dir/2.tiff; $.wrap(false) ]
5. $f[^file::load[binary;395_dir/2.tiff]] ^f.base64[ $.wrap(false) $.pad(false) $.url-safe(true) ]

$s[xxxxxxxxxxxxxxxxxxxxxx]

6. ^s.base64[ $.pad(1) ]
7. ^s.base64[ $.pad(0) ]