Ooops, a part of my code was missing, sorry about that. Here is it
again, complete.
def parseText():
# oFile: text file to test
# myWord: word we are looking for
# Get all lines into list
aLines = oFile.readlines()
# Perform list comprehension on lines to test if the word is found
for sLine in aLines:
# Parse the line (remove spaces), returns list
aLine = sLine.split()
# Iterate words and test to see if they match our word
for sWord in aLines:
# if it matches, append it to our list
if sWord == myWord: aWords.append( sWord )
# Create empty list to store all instances of the word that we may find
aWords = []
# Prompt user to know what word to search
myWord = str( raw_input( 'what word to searh:' ) )
# Call function
parseText()
# Check if list has at least one element
if len( aWords ) < 1: print 'Word not found in file'
else: print str( len( aWords ) ) + ' instances of our word found in file'
Sorry again
Bernard
On 5/18/05, Bernard Lebel <[EMAIL PROTECTED]> wrote:
> Hi Joseph,
>
> To answer your last question first, you should use the
> os.path.exsits() method to see if the path is valid:
> http://www.python.org/doc/2.4.1/lib/module-os.path.html
>
> As for finding a word in a text, I would suggest to write a basic text
> parser that would work on small files.
>
> def parseText():
>
> # oFile: text file to test
> # myWord: word we are looking for
>
> # Get all lines into list
> aLines = oFile.readlines()
>
> # Perform list comprehension on lines to test if the word is found
> for sLine in aLines:
>
> # Parse the line (remove spaces), returns list
> aLine = sLine.split()
>
> # Iterate words and test to see if they match our word
> for sWord in aLines:
> # if it matches, append it to our list
> if sWord == myWord: aWords.append( sWord )
>
> # Create empty list to store all instances of the word that we may find
> aWords = []
>
> # Prompt user to know what word to search
> myWord = str( raw_input( 'what word to searh:' ) )
>
> Note that I'm still new to Python, there might be more efficient ways
> to do that.
>
> For larger text files (in the order of thousands of lines), you may
> not use readlines() to build a list of the lines and insteand read one
> line after another with readline() or xreadline() and append to the
> list as you find the word.
>
> Cheers
> Bernard
>
>
> On 5/18/05, Joseph Quigley <[EMAIL PROTECTED]> wrote:
> > I'm making a program that opens a file and tries to find the word you
> > specify.
> > I can't get it to find the word! I also would like to know how I can get
> > it to print 2 lines above and 2 lines below the line with the word
> > specified.
> > One more thing, the try: IOError won't work... I type the name of a
> > nonexistent file and the except won't kick in and print my error message!
> > Not to mention the program is killed. How can i fix that?
> > Thanks,
> > JQ
> >
> > Full Code:
> >
> > while True:
> > file_name = raw_input("Enter the full file name: ")
> > f = file(file_name, 'r')
> > try:
> > IOError
> > except:
> > print "File not found. Directories are not supported"
> >
> > while True:
> > line = f.readline()
> > if len(line) == 0:
> > break
> > find_word = raw_input("What word do you want to find (quit() to
> > quit)?\n> ")
> > if find_word in file_name:
> > print f.readline(find_word)
> > elif find_word == "quit()":
> > break
> > print line,
> > f.close()
> >
> > close = raw_input("\n\nQuit program? (Y/N)> ")
> > if ((close == "Y") or ("y" == close)):
> > break
> > else:
> > print
> >
> > _______________________________________________
> > Tutor maillist - Tutor@python.org
> > http://mail.python.org/mailman/listinfo/tutor
> >
>
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