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From: Gregory Ewing <greg.ewing@canterbury.ac.nz>
Newsgroups: comp.lang.python
Subject: Re: child.before taking almost 1 minute to execute
Date: Thu, 25 Feb 2016 10:09:52 +1300
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pyfreek wrote:
> The following snippet alone is taking 1 minute to execute. is there any best way to find 'No such file' other than using child.before
> 
>                 if not scrutinFile.startswith('/') :
>                         scrutinFile = '/'+ scrutinFile
>                 scrutinFileFtp = directory + scrutinFile
>                 filePath, file = os.path.split(scrutinFileFtp)
>                 p.sendline('cd %s'%(filePath))
>                 p.expect([pexpect.EOF,pexpect.TIMEOUT])
>                 if 'No such file' in p.before:
>                         print "No such directory exists!!"
>                         sys.exit(1)

If you're talking to an ftp client here, you might like
to consider using the ftplib module in the standard
library. It ought to take care of the messy details
of error detection for you.

-- 
Greg