General :: Perl Script To Parse Url From Xml URL?
Jan 20, 2011
I'm trying to simply pull a line (semi-static entry) from an xml file online with a shell script, or perl script. Basically, I've got a URL that loads an XML file. From this file I want to pull a text entry:
<blah xml code blah 'http://static.address.com/static_directory/dynamic_filename.123' blah xml code blah>
I would like to do this from a shell or perl script. I would like to parse the xml file so that it just pulls the http - .123 information and ends there, that's the only information I need. it will then run a local command on this file.
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Aug 21, 2010
I am trying to make a perl script which reads data from a file and parse it. The data in the file has the following syntax
Code:
Device Physical Name : Not Visible
Device Symmetrix Name : 1234
Device Serial ID : N/A
Attached BCV Device : N/A
Device Capacity
[Code]...
Each unique record starts with "Device Physical Name". So, I have a set of records within "Device Physical Name". I want to read this set of records starting from "Device Physical Name" and ends up till next "Device Physical Name". Offcourse FS is ":", and I just want to print/or later put info in a csv file.
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Nov 8, 2009
I have to create a bash script that takes an arbitrary length number from the command line, and add up each individual digit
Ex:
server> myscript.sh 123
server> 1 + 2 + 3 = 6
The problem I'm having is pulling out each character.
Is there a way in bash I can parse the input string for each character? I can't figure out a way to do this.
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Apr 1, 2011
I am trying to parse command line arg using getopt().this is my code
int main(int argc, char** argv)
{
int a=0,b=0;
[code]....
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Mar 9, 2010
I use avg free as antivirus scanner. I looked some time for a scanner to scan and remove viruses. Problem is avg 8.5 will only detect viruses, not remove them...I use a oneliner looking like this:
Code:
/usr/bin/avgscan / -x /mnt -x /dev --heur --ignerrors -r /var/log/"scanlog"`eval date +%Y%m%d`".txt"
[code]...
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Apr 26, 2011
I need to parse through a file which contains timestamps of transactions. What I am trying to do is come up with a Max Transactions Per Second (TPS) value. I was thinking that creating an array variable would be the way to go, but I'm having problems determining even how to start.
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Dec 17, 2010
I have a small problem with Perl and Apache.
If I use "#!/usr/bin/perl" in the beginning of a perl script the script won't work if the script is at all complicated. Simple scripts like "Hello World" works.
But if I use "#!/usr/bin/perl -w" in the beginning all scripts work?
If I don't use the -w this is whats in the logs:
(2)No such file or directory: exec of '/home/test.net/html/cgi-bin/uh/meny.pl' failed
Premature end of script headers: meny.pl
When I use the -w in the script the error-log shows me this.
meny.pl: Name "main::http_path_cgi" used only once: possible typo at /home/test.net/html/cgi-bin/uh/meny.pl line 24.
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Apr 5, 2010
I am working on the script to parsing the specific message like "aaaa" in multiple log files like N1-***,N2-***,N3-***..The script is to find the list of lof files which contains the message "aaaa" and export the list into excel filE.
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May 4, 2010
I want linux command to parse a particular string or pattern in files that are in my home directory and its sub-directory.
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Jul 19, 2011
I'm trying to define a variable, CHAN, by dividing another variable, FREQ, by a number. FREQ is a value from a file (called header.txt). What I think I'm doing with this bit of code is reading a number from header.txt whose location is specified by the head and tails, assigning it to FREQ and then defining CHAN with bc.
Code:
#!/bin/bash
while read FREQ
[code]....
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Mar 12, 2010
myscript [-a a-arg] [-c c-arg] [-b] [-e] somedirectory
Given that I want my shell script be invoked at the command line using the above parameters - where [these brackets] denote that they are optional - what is the best method to parse them?
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Apr 29, 2011
Go to a specified directory and open a log file and parse out specific information and dump it into another text file.
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Apr 27, 2011
I want to write a bash script to parse a text file with the following lines and set variables for each line so that I can use them in the rest of the script.
Timestamp=123456789
Company=ABC Company
Server=Server
Recipient=Joe Smith
Email=joe@abc.com
simplest way to read each line one at a time for everything before the =, set that to a variable name with the value equal to everything after the =
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Apr 7, 2010
Does anyone know where I can find a python script that will parse the lat/long data from the serial NMEA output of a BU-353.
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Sep 28, 2011
I am trying to parse a line from a file and place the values into separate variables:
input.txt:
Code:
CreateVegaFeed-20110928-before-skip-start
this is the code i have done so far:
Code:
$input_file="input.txt"
INPUT_FILE=`cat $input_file`
for i in $INPUT_FILE
[Code].....
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Dec 23, 2010
I have a log file that contains information like this:
----------------------------
r11141 | prasath-palani | 2010-12-23 16:21:24 +0530 (Thu, 23 Dec 2010) | 1 line
Changed paths:
M /projects/
M /projects/
[code]....
what i need is, i need to copy the data given between the "---" to seperate files, for, e.g. the first set of data between the "---" should be in one file and another set of data in another file.
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Aug 11, 2010
I am new here and want to lern CentOS. Current I have installed CentOS 5.5 x64 and Perl 5.8.8. Now i have install Perl 5.12.1 which located to /usr/local/bin/perl. But how I can move it to /usr/bin/perl so root based on Perl 5.12.1?
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Jul 7, 2010
I am trying to launch the perl config, but when I do so I can an weird error.It seems to be that it does not regonize perl ?
conf.pl: line 11: =: command not found
conf.pl: line 19: my: command not found
conf.pl: line 20: syntax error near unexpected token `{'
[code]...
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Aug 14, 2010
I recently reinstalled the B module for perl. Now I found out it didn't just do that, it installed a whole new copy of perl into /usr/local/bin/perl. When I type 'which perl' at the terminal, it says '/usr/local/bin/perl' instead of '/usr/bin/perl'. Normally, this wouldn't bother me. But I installed the one in local/bin without threading support. The one that comes with the system already is build with threading support, which is why I want to switch back to the system perl, and possibly remove the one in /usr/local/bin.
So how do I change it so that the result of 'which perl' returns as '/usr/bin/perl'? And what do I have to do to remove /usr/local/bin/perl?
The reason I need threading support is because I'm designing a file copier that copies several chunks of a file simultaneously to speed up the copying process. Guaranteed a useful script if it works.
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Jun 28, 2010
I'm new in perl programming and linux OS. What is the difference between perl and perl-devel? What does mean devel? Iwant to install Catalyst and before install as required I have to check if make, gcc and perl-devel are installed in my system. make and gcc are installed. But I have to install perl-devel. First I searched for make, gcc and perl-devel in YAST Software Management and search did not find perl-devel. I visited the software.opensuse.org and wrote "perl-devel" and searched. The result was many similar zips with a prefix perl-devel and I can not choose one for needed perl-devel.
[Code]...
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Aug 30, 2010
I need to parse the file of same name which exist on different servers and calculate the count of string existed in both files.Say a file abc.log exist on 2 servers.I want to search for string "test" on both files and calculate the total count of search string's existence.For example if file abc.log on server 1 has string "test" 2 times
and file abc.log on server 2 has string "test" 4 times.then the output will beStringName : Countexampletest : 6 timesNote : I have created the password less connectivity using ssh-keygen.
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Aug 2, 2010
I've written a script to parse a file and print each line that ends with matching pattern, if the next line is blank. The pattern lines are the result of md5sum $i|sed 's/path///g' so that only md5 and filename appear. Here's what I'm using.
Quote:
for fline in `sed -n '/.*.ext$/p' file1`
do
if [ "`sed -n -e '/'"$fline"'/ {n; p;}' file1`" == "" ]
then
echo ""$fline" has no info" >>file2
fi
done
[Code]....
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Apr 8, 2009
I am trying to setup the wlan access for my Fedora 9 system. I installed ndiswrapper. But when I run
Code:
ndiswrapper -l
i am getting the error
Code:
/usr/bin/perl: symbol lookup error: /usr/bin/perl: undefined symbol: PL_use_safe_putenv
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Jun 2, 2011
I am unable to run perl-cgi script in my cent os Apache server. I have used locate perl command in terminal window and it gives following result:
[code]....
tell which is the path to perl for example "usr/bin perl"
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Oct 5, 2010
I Installed perl-doc in ubuntu 10.04 using sudo apt-get install perl-doc,in the same way I installed doc for postgreSQL. How to use perl-doc so that I can get from perl-doc.
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Jul 16, 2010
I want the output of this file to be in a column, not next to each ohter. I tired putting a a newline escape character in a few places, but it breaks the script. It is easy in awk, just ls -ltr | awk '{print $8 }'
casper@casper-laptop:~$ pwd
/home/casper
casper@casper-laptop:~$ ls -ltr > /tmp/outfile
casper@casper-laptop:~$ cat -n /tmp/moreawkreplace
1#!/usr/bin/perl
[Code].....
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May 1, 2011
I had a problem recently, where a perl script was consuming server resources. I found out it was a perl script by using "top". But it didn't give the path to the script. Nor did ps.Also, ps -ef showed that the process with that pid is /usr/bin/httpd (apache), so it must have been apache serving some perl page I suppose.Is it possible to get the path to currently running perl script, if I only know the process PID of the perl process that is running that script? If so, how? I don't need the path to the perl binary, I need the path to the perl script that binary is currently executing.
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May 21, 2011
I am making some scripts to automaticly install linux-software.gcc,kernel,binutils, etc.) I have made a command to extract the packages, but how can I check if I can re-use my already extracted source-archives?
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Oct 27, 2009
I want to compare two files in perl, I have two files file1.txt & file2.txt. if column1 on file2.txt match column1 on file1.txt then I want my result on file3.txt (column1 column2 file1.txt + column1 column2 column3 file2.txt). this problem was solved with "awk" but I want to do in perl.
file1.txt
---------
column1 column2
------- -------
linux-2049 1
linux-2817 1
[code]....
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Feb 8, 2011
I am trying to use awk command in perl. Below is my awk comamnd which works alone.
awk '{Easttot=Easttot+$1} END {print Easttot}' MessagesProcessedEAST2Cnts.dat
I would like to use this awk's output in shell script. I am using system command like below to get the out put. But it is not working.
$Output = system("awk '{Easttot=Easttot+$1} END {print Easttot}' MessagesProcessedEAST2Cnts.dat'");
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