"""
download.cobra
Downloads a file specified by a URL to the local file system.
Windows:
> cd \path\to\directory\of\download.cobra
> cobra -c download.cobra
> download http://www.google.com/images/logo_sm.gif
Downloading http://www.google.com/images/logo_sm.gif to logo_sm.gif
Done.
Unix-like:
> cd /path/to/directory/of/download.cobra
> cobra -c download.cobra
> mono download.exe http://www.google.com/images/logo_sm.gif
Downloading http://www.google.com/images/logo_sm.gif to logo_sm.gif
Done.
You can specify the local filename:
> download http://www.google.com/images/logo_sm.gif GoogleLogo.gif
Downloading http://www.google.com/images/logo_sm.gif to GoogleLogo.gif
Done.
"""
use System.Net
class DownloadFile
def main is shared
args = CobraCore.commandLineArgs
if args.count < 2
print ns'usage: download URL [LOCALFILENAME]'
return
url = args[1]
# localFileName is derived from the url if missing:
if args.count > 2
localFileName = args[2]
else
s = url
if s.endsWith('/')
s = s[:-1]
i = s.lastIndexOf('/')
if i <> -1
localFileName = s[i+1:]
else
print 'Invalid URL.'
print 'Downloading [url] to [localFileName]'
Console.out.flush
try
WebClient().downloadFile(url, localFileName)
catch e as Exception
print e
print 'Done.'