Ognjen Bezanov wrote: > Robert Kern wrote: > > >>Ognjen Bezanov wrote: >> >> >>>Another newbie-ish question. >>> >>>I want to create an if statement which will check if a particular >>>variable matches one of the statements, and willl execute the statement >>>if the variable matches any of the statements. >>> >>>I have tried the following (the pass is just used for testing) >>> >>> >>>if ext[1] == "mp3" or ext[1] == "mp4" or ext[1] == "ogg" or ext[1] == >>>"aac" or ext[1] != "wma": >>> print "we have a valid extension: " + ext[1] #here would go the >>>code for decoding the above >>> pass >> >> >>It works fine for me. Could you post the smallest complete program >>(one that defines ext) that displays the behavior and its entire output? >> >>As an aside, is 'ext[1] != "wma"' correct or should it be ==? As >>written, you could collapse the whole thing to 'if ext[1] != "wma":' >>but I presume it is a typo. > > filelist = os.listdir('/mnt/cdrom/') #get a list of files from the cdrom > drive > for thefile in filelist[:]: #for each file in the filelist > if thefile.find(".") != -1: #if the file has an extenstion > at all > ext = thefile.split('.') #get the file extension > ext[1] = ext[1].lower() #convert to lowercase > print ext[1] #debugging, to see the variable before > passed to if statement > > if ext[1] == "mp3" or ext[1] == "mp4" or ext[1] == "ogg" > or ext[1] == "aac" or ext[1] == "wma": > print "we have a valid extension: " + ext[1] #here > would go the code for decoding the above > pass
It works just fine for me. Note that you could (and probably should) write the if statement as if ext[1] in ('mp3', 'mp4', 'ogg', 'aac', 'wma'): but I really don't think that's your problem. Could you also post the output, too? In [1]:filelist = os.listdir('./') In [2]:for thefile in filelist: ...: if '.' in thefile: ...: ext = thefile.split('.') ...: ext[1] = ext[1].lower() ...: print ext[1] ...: if (ext[1] == 'mp3' or ext[1] == 'mp4' or ext[1] == 'ogg' or ext[1] == 'aac' or ext[1] == 'wma'): ...: print 'We have a valid extension: %s' % ext[1] ...: ogg We have a valid extension: ogg [etc.] -- Robert Kern [EMAIL PROTECTED] "In the fields of hell where the grass grows high Are the graves of dreams allowed to die." -- Richard Harter -- http://mail.python.org/mailman/listinfo/python-list