Ubuntu :: Escape Sequence For New Line In Python?
Apr 14, 2010
I am reading "A Byte of Python" and this is the 2nd time I've completely been confused about something:"What if you wanted to specify a two-line string? One way is to use a triple-quoted string asshown previously or you can use an escape sequence for the newline character - toindicate the start of a new line. An example is This is the first lineThis is thesecond line. Another useful escape sequence to know is the tab - There are many moreescape sequences but I have mentioned only the most useful ones here."In python:>>> "This is the first lineThis is the second"'This is the first lineThis is the second'>>>
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Apr 25, 2011
I'm trying to parse some redfin pages and it seems like I'm having a problem with the # symbol.Running the following:echo 'http://www.redfin.com/homes-for-sale#!search_location=issaquah,wa&max_price=275000 ' > /tmp/issaquah_main.txtwget --level=1 -convert-links --page-requisites -o issaquah/main -i /tmp/issaquah_main.txt
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Aug 8, 2010
Is there a way to print a transcript generated using script that is coloured using ansi escape sequences while preserving the colours?
I am on OS X 10.6, but any tool that works on OS X or on Linux that can print or create a pdf file will be extremely helpful.
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Dec 30, 2009
Is there any way to disable the escape sequence in screen, so the user can't escape and run commands? we have a program that runs under user "shop". We want to wrap it in a screen session, and use .screenrc to set it multiuser and allow the "dev" user to connect to it. Then, if the "shop" user loses his connection, the session will stay running, and then the "dev" user can attach to the session and end it. We want the "shop" user to be unable to enter any "screen" commands.
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May 2, 2010
I wrote the Automatik widget (you can find it at :http://kde-look.org/content/show.php...&PHPSESSID=caeTo improve it, I would like to add this one-line script into a text sensor :
top -b -n 1 | head -12 | tail -6 | sed '/top/d' | awk '{ printf "%-12.12s %-4s %-4s %-3s
" , $12,$9,$10,$2}'
[code]...
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Feb 6, 2011
I wish to replace a new line with br (html) but it doesn't seem to work
Code:
message=$(echo ${FORM_message} | tr '
' '<br />' )
what it gives me seems to be ... b...? I am also having problem escaping hash sign in cut command:
Code:
list=$(echo "$line" | cut -d'#;#' -f1) ;
my intention is to split the line with "#;#"
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Jul 18, 2011
I have some code written in VHDL that looks as follows:
Code:
foo = "bar";
foo <= 'bar',
[code]...
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Jul 6, 2010
I'm a bit new to Python programming and hoped that someone might be able to help with a problem I'm having. What I essentially want to do is to combine two text files line for line. I know how to do this in a bash script so to give you a better idea here's the code for that:
Code:
This is basically for adding on values to the end of a CSV file that uses ';' as the delimiter. So say file1 said:
And file2 said:
Then running this command would create merged_file1_and_file2 which would be:
The code I'm using at the moment is:
Code:
As I'm sure any experienced python programmer will see, this prints out the first line of the file "csvraw" and then all of the lines of "stamps" and then the remainder of "csvraw".
What I'd like to do is something like: (pseudo code, I know it's not python ;-))
Code:
Is this possible? I've tried googling and my Python Pocket Reference hasn't been much help. I've looked at pickling but that doesn't seem appropriate.
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Dec 21, 2010
How to print a sequence of line say line number 10 to 20 of a 50 line file ?
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Jun 14, 2011
i have ubuntu 10.04 and python 2.6 installed how do i run, stop or restart a .py file from the command line.
btw im using Putty from a windows computer
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Sep 27, 2010
How do I kill a python application from the command line? For an example I have 2 applications running. The first is bleachbit and the second is furiusisomount. They are both python applications so they both come up as python under process name. I could kill them by ID number but if there was another way to do it so that it could be automated in a bash script.
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Oct 7, 2010
I had problems with python stuff and so update manager did not work. Also many other problems, PiTiVi was installed but did not start eg... After many trials of this and that I removed python-gtk2 and so also ubuntu desktop. But was unable to get it back. Now I cannot even shut down. While it is not possible to install desktop or anything else, would it be possible to fix this by upgrading the whole system to 10.04 (10.10?)? Would it fix python installation. How could I do it. Some info tells to change sources.list and run apt-get upgrade, but some tell not to do so.
t@t:~$ update-manager
Traceback (most recent call last):
File "/usr/bin/update-manager", line 26, in <module>
[code]....
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Nov 14, 2010
How do i do to:1. Check if there is a audio source plugged in via line in?2. Control the volumeI want to do it through either bash or python script.
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Dec 28, 2010
If i have a python file with a function call_me(a,b),how can I call this function from the command line ,after i compile the program?
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May 29, 2010
i've gotten my fedora 12 to the point where i can run python3 scripts from command line and can call up python 2.6.2 idle with the command 'idle' from command line. what command will call up python3 (3.1.2 to be exact) idle?
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Mar 22, 2009
I want to be able to do
sudo ./program.py
instead of always having to do
sudo python program.py
What do I need to change?
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Nov 30, 2009
I've already used line split stuff to transform my data into something like this in a text file:
Code:
['1', '1', '3', '20.7505207']
['2', '1', '3', '23.0488319']
['3', '1', '3', '-1.5768747']
['4', '1', '3', '-26.4772491']
[code]....
How can I get this on a python program so I can manipulate it as an array?
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Oct 27, 2010
in ubuntu 10.10, I have installed python 2.7. I would like to use apt-get to install packages to this version of python but I haven't been able to figure out howThings I have tried without success:changing the symlink at /usr/bin/python to point to /usr/bin/python2.7 - even after doing this apt-get still installs stuff to python2.6.Set up python2.7 as the primary alternative using update-alternatives - doesn't work
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Jul 17, 2010
Python 3 want situation for python 2?Python 2 become stop?
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Jan 7, 2011
yum dependency problem please? I am running Centos 5.5. I need to install python-devel, but when I do so I get:
[Code]....
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Mar 4, 2010
I have a function definition in a Python 2.x script which take a tuple as one of its arguments, but 2to3 has no answers nor any of my searching on how to represent the same in Python 3.x
Code:
def blah(self, (string1, string2))
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Mar 30, 2011
How can I upgrade python-2.4.3 to python-2.5?
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Apr 28, 2010
This is prolly a quickee, but I not able to figure it out.
I am using sbackup installed on karmic 9.10.
I am using the gui driven sbackup, and the field below needs a passwrd:
ssh://usernameassword@192.168.1.201:/usr/home/username/BAK/
This is a remote backup to a backup storage server.
Nothing fancy, just need to know how to escape a assword@ were the real password uses non numeric/alpha characters.
my passwd includes an "@" so would i use quotes? backticks? backslashes?
Using a passwd like ab34f67 will not work, i use shift'd chars like ^&*@ so forth in my passwrds.
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May 4, 2010
and i know of course i could just get used to it. but the X minimize and expand buttons on the windows is flip flopped on 10.04 now i dont have a clue how to change it back. it kept all old settings but changed this one little thing and its bothering me. ive been through compiz and appearance and whatever else i thought might change this. but just couldnt figure it out. i prefer my escape to be at the top right of my page. as i expect a majority of u do as well. anyone wanna point me in the right direction?
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Oct 4, 2010
How can I launch a program that requires a path and that path has spaces or special characters in them if (as far as I can tell) .desktop launchers doesn't seem to support escape characters?
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Sep 22, 2010
I have modified /etc/issue with the following:
Code:
Today is d @
So when logging in locally you get todays date and time. I want this for SSH users as well
[code]....
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Feb 12, 2010
This is effecting fsck check too as it will freeze up till I hit escape. After which it runs fine at boot up. It has drove me batty trying to correct. Worked on 8.04 but my Alfa wireless usb would not run on that Kernel. Up graded to 8.10 worked fine no Alfa wirless. Last upgraded to 9.04 Alfa working great but boot up is not right?
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Mar 22, 2011
I have two files, file1.traj and file2.traj. Both these files contain identical data and the data are arranged in same format in them. The first line of both files is a comment.
At line 7843 of both files there is a cartesian coordinate X, Y and Z ( three digits ). And at line 15685 there is another three digits. The number of lines in between two cartesian coordinates are 7841. And there are few hundreds of thousands of lines in a file.
What I need to do is copy the X Y Z coordinate (three digits) from file1.traj at line 7843 and paste into file2.traj at the same line number as in file1.traj. The next line will be 15685 from file1.traj and replace at line 15685 at file2.traj. And I dont want other lines (data) in file2.traj get altered. This sequence shall be going on until the end of the file. Means copy and substitude the selected lines from file1.traj into file2.traj.
I tried to use paste command but I cant do for specified line alone.
Here i showed the data format in the file. I used the line number for clarity purpose.
Code:
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Aug 12, 2010
sometimes there are one, sometime there are two exchanges in this log file. the 100= is the stock exchange- if there are two, they are seperated by a comma. i understand how to escape a comma in a regex, but I am having trouble with combining it.
35=8 39=1 38=1000 32=13 14=754 31=1.11 44=1.1 100=AMEX,ISE
35=8 39=1 38=1000 32=151 14=205 31=1.1 44=1.1 100=AMEX
35=U 39=2 38=1000 32=45 14=184 31=1.1 44=1.1 100=AMEX,ISE
[code]...
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Nov 11, 2010
My goal is to send escape characters from Linux to make scanner's LED blink. I've started with a simple "beep" command:
echo -e "�7"
and it worked. We are using WaveLink emulator and the escape sequences for the LED are
echo -e "�33%150;200;5L"
Linux returns me this: 150;200;5L
So, it doesn't work. What am I doing wrong for the LED sequences?
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