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fileinput confusion :( 13 Years Ago by Skrell …i get at the command prompt. PLEASE help. [CODE] import fileinput, sys, string, os def main(): searchterm = sys.argv[1…;removed" else: print item print targetdir for line in fileinput.input(targetdir): num_matches = string.count(line, searchterm) if num_matches:… Re: Fileinput from files ignoring incorrect ones. 13 Years Ago by TrustyTony What you catched from fileinput documentation? Re: Fileinput from files ignoring incorrect ones. 13 Years Ago by TrustyTony … with bunch of Python files as arguments. You did read fileinput documentation? I use the mention that empty files are opened… (newb) fileinput.input IOError handling 13 Years Ago by Skrell I am trying to use the fileinput.input() module to read in the lines from a bunch … items in the list i'm feeding fileinput,input() generates this IOError, i can get fileinput to simply continue onto the next… Re: (newb) fileinput.input IOError handling 13 Years Ago by Skrell …work. Here is my code: [CODE] try: for line in fileinput.input(newlist): num_matches = string.count(line, searchterm) if num_matches:… %s on line %d." % (searchterm, num_matches, fileinput.filename(), fileinput.filelineno()) except IOError: print "There was a problem with… Re: (newb) fileinput.input IOError handling 13 Years Ago by TrustyTony You must put try around the fileinput that is in try to line "5.5" and indent the print line and 7 to same level as try: (current print indention). Re: (newb) fileinput.input IOError handling 13 Years Ago by TrustyTony Actually I did not realize you are using fileinput as iterator already in for line. To get hat to work I think you must wrap it in function passing IOErrors. string.count is not also good style, you should use the method of string itself: "abcd".count("a") Re: fileinput confusion :( 13 Years Ago by Gribouillis The issue with your txt file filter is that you are removing items in targetdir while iterating on targetdir. This does not work. Look at this example [code=python] >>> L = range(20) >>> for item in L: ... print item, ... if item % 3: ... L.remove(item) # DONT DO THAT !!!! ... 0 1 3 4 6 7 9 10 12 13 15 16 18 19 # not all … Re: fileinput confusion :( 13 Years Ago by Skrell Ok using your suggestion i got everything to work and the traceback error no longer happens. (I dont even know what traceback means) I realize that scripts like this one already exist but i'm trying to learn on my own and since you've already taught me quite a bit my plan is working! How can i give the command line a directory without typing … Re: fileinput confusion :( 13 Years Ago by snippsat [QUOTE](I dont even know what traceback means[/QUOTE] Traceback you get when something goes wrong. [CODE]>>> a Traceback (most recent call last): File "<interactive input>", line 1, in <module> NameError: name 'a' is not defined >>> # We most define a >>> a = 5 >>> a + '6' Traceback (most … Re: fileinput confusion :( 13 Years Ago by Skrell r'C:\' does not work on the command line : [CODE]Traceback (most recent call last): File "mygrep.py", line 35, in <module> main() File "mygrep.py", line 21, in main file = os.listdir(sys.argv[2]) WindowsError: [Error 3] The system cannot find the path specified: 'rC:"/*.*' [/CODE] Also, how could i make… Re: fileinput confusion :( 13 Years Ago by TrustyTony r'C:\*.*' not inside the quotes. See [url]http://www.tutorialspoint.com/python/python_strings.htm[/url] for all about strings. Re: fileinput confusion :( 13 Years Ago by Skrell I didn't put it in the quotes i literally typed r'C:\' which then makes things even more confusing because as you can see in the error message it draws the r inside the quotes?? Re: fileinput confusion :( 13 Years Ago by TrustyTony But you did that in Python code, not in Command interpreter, which is alltogether different thing? sys.argv[2] refers to command line, which gives \ directly without quotes entered even (but double quotes can be used in command line, not Python single quotes of course). [CODE]import sys print sys.argv[1] if sys.argv[1:] else 'No arguments given'[/… FileInput/Output Stream on JTextField 14 Years Ago by cathgodarve [TEX]hey there, can you help me with something. I'm supposed to get data from a single text file and use it on 3 different jTextField. Then if I hit a save button, the data from the textfields will overwrite the existing data of the text file. Unfortunately, I can't make, and instead I used 3 text file. How can I get data from 1 text file? Please … Re: FileInput/Output Stream on JTextField 14 Years Ago by javaAddict What errors do you get. In the catch print the exception that you get in order to know what went wrong. That message means nothing: System.out.println("Error in file") [CODE] catch (Exception e) { System.out.println("Error: "+e.getMessage()); // or less elegant e.printStackTrace(); } [/CODE] Fileinput from files ignoring incorrect ones. 13 Years Ago by TrustyTony Learned about hook functions [URL="http://www.daniweb.com/software-development/python/threads/383164/1650339#post1650339"]for a thread[/URL] having problem with bad user input from the documentation. This is result which skips bad inputs. Re: Fileinput from files ignoring incorrect ones. 13 Years Ago by TrustyTony Actually the line 15, while does not disturb, does nothing, as it is from before I realized I must always return file object. So it should be removed and rest of the function unindented for clean code. Re: Fileinput from files ignoring incorrect ones. 13 Years Ago by Skrell Ok now that i've found your code, as I am a newb, would you mind explaining the openhook concept a bit as i don't full grasp it? Re: Fileinput from files ignoring incorrect ones. 13 Years Ago by Skrell What does process('=') do ? And what does opening a 'dummy' file accomplish? Does it allow the function to continue by replacing the unreadable file with a dummy one that IS readable ? Re: (newb) fileinput.input IOError handling 13 Years Ago by snippsat When you get IOError,pass make it countinue to end. Other errors than IOError will raise error as normal. [CODE]try: doSomething() except IOError: pass[/CODE] Re: (newb) fileinput.input IOError handling 13 Years Ago by Skrell I'm sorry i don't follow :( Re: (newb) fileinput.input IOError handling 13 Years Ago by TrustyTony After looking the documentation it appears that you can give hook function to method, which can ignore the ioerrors. Re: (newb) fileinput.input IOError handling 13 Years Ago by Skrell [QUOTE=pyTony;1650365]After looking the documentation it appears that you can give hook function to method, which can ignore the ioerrors.[/QUOTE] ?? Re: (newb) fileinput.input IOError handling 13 Years Ago by TrustyTony I posted code snippet how to do it. Re: (newb) fileinput.input IOError handling 13 Years Ago by Skrell [QUOTE=pyTony;1650577]I posted code snippet how to do it.[/QUOTE] Perhaps i'm losing my mind, but where did you post this code snippet? I don't see it :( Re: (newb) fileinput.input IOError handling 13 Years Ago by TrustyTony Look code snippet part of the forum. It would maybe be usefull to read my post linked from my signature. Array Calculations 15 Years Ago by ThomasII …(","c) tran.TransactionDate = fileInput(0) tran.DepoOrWith = fileInput(1) tran.TransactionAmount = fileInput(2) tran.PreviousBalance = fileInput(3) ReDim Preserve m_transSet(x) m_transSet… The class returns an error message 15 Years Ago by puppykillaz …(","c) tran.TransactionDate = fileInput(0) tran.DepoOrWith = fileInput(1) tran.TransactionAmount = fileInput(2) tran.PreviousBalance = fileInput(3) ReDim Preserve m_transSet(x) m_transSet… Re: The class returns an error message 15 Years Ago by puppykillaz ….Split(","c) tran.TransactionDate = fileInput(0) tran.DepoOrWith = fileInput(1) tran.TransactionAmount = fileInput(2) tran.PreviousBalance = fileInput(3) m_transSet(x) = tran listDisplay…