python Programming Glossary: readlinespyserial - How to read the last line sent from a serial device http://stackoverflow.com/questions/1093598/pyserial-how-to-read-the-last-line-sent-from-a-serial-device to say slightly edited for clarity and with a mention to readlines Be careful when using readline . Do specify a timeout when opening.. if no newline character is received. Also note that readlines only works with a timeout. It depends on having a timeout and..
Python subprocess readlines() hangs http://stackoverflow.com/questions/12419198/python-subprocess-readlines-hangs subprocess readlines hangs The task I try to accomplish is to stream a ruby file..
Open() and codecs.open() in Python 2.7 behave strangely different http://stackoverflow.com/questions/16130904/open-and-codecs-open-in-python-2-7-behave-strangely-different 'utf 8' print f names_f f.readline .split ' ' data_f f.readlines print len names_f print len data_f f.close print 'And now for.. 'r' names_g g.readline .split ' ' print g data_g g.readlines print len names_g print len data_g g.close I get the following.. file '1.txt' mode 'r' at 0x017875A0 28 77 If I don't use readlines whole file reads not only first 7 lines both at codecs.open..
reading tar file contents without untarring it, in python script http://stackoverflow.com/questions/2018512/reading-tar-file-contents-without-untarring-it-in-python-script
Python C program subprocess hangs at “for line in iter” http://stackoverflow.com/questions/20503671/python-c-program-subprocess-hangs-at-for-line-in-iter that use pexpect and pty modules see Python subprocess readlines hangs . Here's a variation on the pty example provided there..
real time subprocess.Popen via stdout and PIPE http://stackoverflow.com/questions/2082850/real-time-subprocess-popen-via-stdout-and-pipe 'ls l' shell True stdout PIPE for line in cmd.stdout.readlines print line I would like to grab stdout in real time . With the.. having to wait until the PIPE closes . EDIT If I switch readlines for readline I only get the last line of the stdout not ideal..
http://stackoverflow.com/questions/2106820/re-open-files-in-python python script file open 'C some_text.txt' print file.readlines print file.readlines When it is run the first print prints a.. open 'C some_text.txt' print file.readlines print file.readlines When it is run the first print prints a list containing the.. 0 will do it. You need that line after your first readlines . Note that file has to support random access for the above..
Converting a string into a list in Python http://stackoverflow.com/questions/2545397/converting-a-string-into-a-list-in-python uses. You can also read the file into a list with the readlines method of a file object it returns a list of lines. For example.. from that file you can do lst map int open 'filename.txt' .readlines P.S See some other methods for doing the same in the comments...
Setting smaller buffer size for sys.stdin? http://stackoverflow.com/questions/3670323/setting-smaller-buffer-size-for-sys-stdin mode. Note that there is internal buffering in xread lines readlines and file object iterators for line in sys.stdin which is not..
How to remove lines from stdout in python? http://stackoverflow.com/questions/3732928/how-to-remove-lines-from-stdout-in-python from ssh_stdout_host. I've tried using StringIO to use readlines like this output StringIO .join ssh_stdout_host data_all output.readlines.. this output StringIO .join ssh_stdout_host data_all output.readlines But I'm lost after this. What would be a good approach Im using.. 2.6.5. Thanks. python share improve this question readlines provides all the data allLines line for line in stdout.readlines..
Linux: Pipe into Python (ncurses) script, stdin and termios http://stackoverflow.com/questions/3999114/linux-pipe-into-python-ncurses-script-stdin-and-termios to have all the basic stdio read methods read readline readlines . Just .close the object when you're done with it. if hasattr..
Stop reading process output in Python without hang? http://stackoverflow.com/questions/4417962/stop-reading-process-output-in-python-without-hang like this one import os import time process os.popen top .readlines time.sleep 1 os.popen killall top print process the program.. the program hangs in this line process os.popen top .readlines and that happens in the tools that keep update outputting like.. time import subprocess process subprocess.Popen 'top' .readlines time.sleep 2 os.popen killall top print process the same as..
In Python, is read() , or readlines() faster? http://stackoverflow.com/questions/5076024/in-python-is-read-or-readlines-faster Python is read or readlines faster I want to read a huge file in my code. Is read or readline.. line in file and calling the file object 䏭 read readline readlines methods. Python 2.6 introduced TextIOBase which supports both..
Python: select() doesn't signal all input from pipe http://stackoverflow.com/questions/5486717/python-select-doesnt-signal-all-input-from-pipe share improve this question Note that internally file.readlines size loops and invokes the read syscall more than once attempting.. of using select. In any case it is tricky to use file.readlines size in an asynchronous app. You should call os.read fd size.. fd self._buf '' def fileno self return self._fd def readlines self data os.read self._fd 4096 if not data # EOF return None..
Reading file string into an array (In a pythonic way) http://stackoverflow.com/questions/6213336/reading-file-string-into-an-array-in-a-pythonic-way into arrays. I basically do pseudopython code line file.readlines line line.split ' ' # Or whatever separator array np.array line.. answer arrays for line in open your_file # no need to use readlines if you don't want to store them # use a list comprehension to..
Read large text files in Python, line by line without loading it in to memory http://stackoverflow.com/questions/6475328/read-large-text-files-in-python-line-by-line-without-loading-it-in-to-memory need to read each line but obviously I do not want to use readlines because it will create a very large list in the memory. how.. the memory. how the code below work for this case is the xreadlines itself loading one by one in to memory is the generator expression.. expression needed f line for line in open log.txt .xreadlines # how much is loaded in memory f.next Plus How can I do for..
Getting the value of href attributes in all <a> tags on a html file with Python http://stackoverflow.com/questions/671323/getting-the-value-of-href-attributes-in-all-a-tags-on-a-html-file-with-python from the web and transform it to a list of strings with readlines . Currently I have this code that uses regex I'm not very good..
Python: Deleting specific strings from file http://stackoverflow.com/questions/7356043/python-deleting-specific-strings-from-file help python words share improve this question The readlines method returns a list of lines not words so your code would..
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