Working around multiple files in a folder

[Emile van Sebille]

On 11/21/2016 11:27 AM, subhabangalore at gmail.com wrote:
> I have a python script where I am trying to read from a list of files in a folder and trying to process something.
> As I try to take out the output I am presently appending to a list.
>
> But I am trying to write the result of individual files in individual list or files.
>
> The script is as follows:
>
> import glob
> def speed_try():
>      #OPENING THE DICTIONARY
>      a4=open("/python27/Dictionaryfile","r").read()
>      #CONVERTING DICTIONARY INTO WORDS
>      a5=a4.lower().split()
>      list1=[]
>      for filename in glob.glob('/Python27/*.txt'):
>          a1=open(filename,"r").read()
>          a2=a1.lower()
>          a3=a2.split()
>          for word in a3:
>              if word in a5:
>                  a6=a5.index(word)
>                  a7=a6+1
>                  a8=a5[a7]
>                  a9=word+"/"+a8
>                  list1.append(a9)
>              elif word not in a5:
>                  list1.append(word)
>              else:
>                  print "None"
>
>      x1=list1
>      x2=" ".join(x1)
>      print x2
>
> Till now, I have tried to experiment over the following solutions:
>
> a) def speed_try():
>        #OPENING THE DICTIONARY
>        a4=open("/python27/Dictionaryfile","r").read()
>        #CONVERTING DICTIONARY INTO WORDS
>        a5=a4.lower().split()
>        list1=[]
>        for filename in glob.glob('/Python27/*.txt'):
>           a1=open(filename,"r").read()
>           a2=a1.lower()
>           a3=a2.split()
>            list1.append(a3)
>
>
>      x1=list1
>      print x1
>
> Looks very close but I am unable to fit the if...elif...else part.
>
> b) import glob
> def multi_filehandle():
>      list_of_files = glob.glob('/Python27/*.txt')
>      for file_name in list_of_files:
>          FI = open(file_name, 'r')
>          FI1=FI.read().split()
>          FO = open(file_name.replace('txt', 'out'), 'w')
>          for line in FI:

at this point, there's nothing left to be read from FI having been fully 
drained to populate FI1 -- maybe you want to loop over FI1 instead?

Emile


>              FO.write(line)
>
>          FI.close()
>          FO.close()
>
> I could write output but failing to do processing of the files between opening and writing.
>
> I am trying to get examples from fileinput.
>
> If anyone of the learned members may kindly suggest how may I proceed.
>
> I am using Python2.x on MS-Windows.
>
> The practices are scripts and not formal codes so I have not followed style guides.
>
> Apology for any indentation error.
>
> Thanking in advance.
>
>