Extract file extension: Difference between revisions

=={{header|Arturo}}==

<lang arturo>files #("http://example.com/download.tar.gz" "CharacterModel.3DS" ".desktop" "document" "document.txt_backup" "/etc/pam.d/login")

loop files {

ext $(if $(not $(contains $(getExtension &) "_")) { $(getExtension &) } { ""+"" })

print & + " => extension: " + ext

}</lang>

{{out}}

<pre>http://example.com/download.tar.gz => extension: .gz

CharacterModel.3DS => extension: .3DS

.desktop => extension:

document => extension:

document.txt_backup => extension:

/etc/pam.d/login => extension: </pre>