Extract file extension: Difference between revisions

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=={{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[pathExtension &)] "_"))] { $(getExtensionpathExtension &) } { ""+"" })]
print & + " => extension: " + ext
}</lang>
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