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• Built in python hash() function

  - by sm1

  Windows XP, Python 2.5: hash('http://stackoverflow.com') Result: 1934711907 Google App Engine (http://shell.appspot.com/): hash('http://stackoverflow.com') Result: -5768830964305142685 Why is that? How can I have a hash function which will give me same results across different platforms (Windows, Linux, Mac)?

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• How to make OSX application that just runs opens some file type and runs arbitrary Ruby code?

  - by taw

  It's trivial to make a program executable from shell - just put #!/usr/bin/ruby on top, chmod +x it and done. Unfortunately OSX won't let me associate file type with such scripts - it requires its .apps instead. This sort of distinction doesn't seem to exist on other operating systems. What's the simplest way of making such .app, which would merely execute some arbitrary Ruby code?

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• Import/Export table definistrions using SQlServer Management Studio

  - by fireBand

  Hi, How to import/export table definitions from my dev database to production database(recreate the whole database). I have Sql server 2005, Sql Management studio with power shell. Thanks in advance.

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• Exporting an Environment Variable in Ruby

  - by wilhelmtell

  How do I export an environment variable from within a Ruby script to the parent shell? For example, implementing a naïve implementation of the /usr/bin/read utility: #!/usr/bin/ruby varname = ARGV[0] ENV[varname] = STDIN.gets # but have varname exported to the parent process

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• Carrot (Python) [errno 10054] An existing connection was forcibly closed by the remote host

  - by Meditation

  Hi all, We are using Carrot in our Python project. I wrote a Python script acting as the consumer of the message queue. I invoked this Python script using command line shell in Windows 7 as python consumer.py However, after a while, the running session was aborted and the error is: [errno 10054] An existing connection was forcibly closed by the remote host The producer session is still running fine on the Linux server. Just wondering how can I fix this and have a long running consumer session on Windows Thanks in advance.

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• Bash Color Variable Output

  - by drewrockshard

  I've got a variable, let's say $x and it holds the value of website.com. I want to be able to call the variable and apply shell color to it like so: echo -e '\033[1;32m$x:\033[0m'; The problem is not the color, however, it's how the script it interpretting the output. So the output I'm getting is: $x: I need the output to obviously be the string in the variable, and not the variable name. Is there any way around this issue?

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• Visual Studio SVN integration

  - by Piku

  Is there any way to properly integrate Subversion control into VS2008? I'm currently using the TortoiseSVN shell extensions, but I keep forgetting to check in new files and it's easy to get in a confused mess. On another project I use VS2008 with SourceSafe, and it's really nice having most things automated or controlled simply by using VS in its normal way.

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• Is there a way to inspect the current rpath on Linux?

  - by Justicle

  I'm aware that it is possible to use 'readelf -d | grep RPATH' to inspect a given binary from the shell, but is it possible to do this within a process? Something like (my completely made up system call): /* get a copy of current rpath into buffer */ sys_get_current_rpath(&buffer); I'm trying to diagnose some suspect SO linking issues in our codebase, and would like to inspect the RPATH this way if possible (I'd rather not have to spawn an external script).

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• how to send email with attachment from R in windows

  - by ahala

  I have a scheduled R script running from a windows machine. After it finishes, I wish this script to automatically send an email with some log file attached. Using shell() with some other scripts may be possbile, but I was wondering if there is a better solution within R. thanks.

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• mobile: html5 vs xhtml

  - by Sean

  I am building a mobile app (hybrid mobile web app but with a native shell) with most users on the iphone (some on the blackberry) and am wondering if it should be written in html5 or xhtml? Any insight would be great.

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• Using pydev with Eclipse on OSX

  - by Sunit

  I setup PyDev with this path for the python interpreter /System/Library/Frameworks/Python.framework/Versions/2.5/Python since the one under /usr/bin were alias and Eclipse won't select it. I can run my python script now but cannot run the shell as an external tool. The message I get is variable references empty selection ${resource_loc} Same if I use {container_loc} Any thoughts ? Sunit

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• What is the best way to include other scripts?

  - by Aaron H.

  The way you would normally include a script in bash is source. For example: main #!/bin/bash source incl.bash echo "The main script" incl.bash echo "The included script" The output of executing ./main: The included script The main script Now, if you attempt to execute that shell script from another location, it can't find the include unless it's in your PATH. What's a good way to ensure that your script can find the included script, especially if for instance, the script needs to be portable?

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• Ruby Dir.glob works on laptop not on desktop?

  - by Nick Faraday

  I have a ruby shell script that works perfectly on my laptop, but Dir.glob doesn't seem to work when I try and run it on my desktop. Here is the code: sFileTemplate = File.join("**", sResolutions, "**", "*."+sType) sFiles = Dir.glob(sFileTemplate) Both machines run OSX 10.5 and are running ruby -v 1.9.1. Am I calling glob wrong? Thanks

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• Can I use a filehandle instead of a filename for creating DBM files?

  - by Dancrumb

  I'm using MLDBM to persist some Perl data structures and I'm wondering if there's an alternative to the following: tie %hash, "MLDBM", $dbm_file, O_CREAT | O_RDWR, 0644; Primarily, I'd like to be able to use STDOUT, rather than a known file name. This could then be redirected to a file on the shell-side. I've been searching with keywords like "tie", "DBM" and "filehandle", but the hits tend to talk about tying filehandles to things, as opposed to things to filehandles. Any suggestions?

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• Setting PATH in Makefile run by eclipse

  - by Chris Jefferson

  I have a Makefile which runs fine from a bash shell, but fails to run from Eclipse. This is because the path I am setting in my .bash_profile is not getting used. What is the best way of making this happen? Is there somewhere else I could put the path, to make sure it is invoked in non-interactive shells (which is I assume how eclipse is running make)?

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• error in script

  - by lego69

  can somebody please help, I'm working with C-Shell, I'm trying to run this script set callsTo = "`cut -d" " -f2 ${1}`" echo $callsTo cut receives data from the file which is the first parameter > ./myscript data I need only second field from every row -f2 after that I want to check if the data was stored, but I receive or an error unmatched `. or empty row, what is wrong with my script, thanks in advance for any help

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• How to take advantage of subprocess within Django? - Django

  - by RadiantHex

  Hi folks, I'm currently using os.popen() but have been recommended to use subprocess.popen() instead. Any ideas on how I can integrate this? It would be cool and fun to have a Python shell accessible on a Django app. But I reckon that it might be a bit complex to implement. I guess I would have to retrieve the subprocess, as a new request comes in. Any ideas?

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• How do I get the last non-empty line of a file using tail in Bash?

  - by debugger

  How do I get the last non-empty line using tail under Bash shell? For example, my_file.txt looks like this: hello hola bonjour (empty line) (empty line) Obviously, if I do tail -n 1 my_file.txt I will get an empty line. In my case I want to get bonjour. How do I do that?

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• Pros and cons using Mercurial over Subversion

  - by Mendy

  I'm starting a new project. I familiar with TortoiseSVN, and all its downsides. Shell I start using Mercurial instead? What are the pros and cons using Mercurial over Subversion?

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• Geometric Mean: is there a built-in?

  - by doug

  i tried to find a built-in for geometric mean but couldn't. (Obviously a built-in isn't going to save me any time while working in the shell, nor do i suspect there's any difference in accuracy; for scripts i try to use built-ins as often as possible, where the (cumulative) performance gain is often noticeable. In case there isn't one (which i doubt is the case) here's mine. gm_mean = function(a){prod(a)^(1/length(a))}

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• How do I delete the first line in a file?

  - by Soop

  I can't search for a particular string, since they're all very similar, but I'd like something simple to chop out the first 4 lines in a file. They're all variable length too. I've had a a think about perl, and it all seems harder than I thought, but I'd like to do it in Perl, AWK or a shell command if possible. Does anybody have a simple way of doing this?

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• C++ code generation with Python

  - by norapinephrine

  Can anyone point me to some documentation on how to write scripts in Python (or Perl or any other Linux friendly script language) that generate C++ code from XML or py files from the command line. I'd like to be able to write up some xml files and then run a shell command that reads these files and generates .h files with fully inlined functions, e.g. streaming operators, constructors, etc.

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• Virtualmin domain name registration php

  - by David Maitland

  in a PHP web page i need to run this following command to create a new domain: virtualmin create-domain --domain DOMAIN --pass PASS --plan 'Standard Package' --limits-from-plan --features-from-plan This is usually executed in a shell but i don't know how to do it from a web page and also i need to take the domain string and pass string from a web form. Can anyone help with the PHP code as my skills are basic and i have already tried a few things that just don't work. Thanks.

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• What does the two parameters mean for WScript here?

  - by user198729

  $WshShell = new COM("WScript.Shell"); $oExec = $WshShell->Run($cmd, 0, false); I don't seem to find the document for this...

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• Install python 2.6 in CentOS

  - by tehryan

  I have a shell that runs CentOS For a project I'm doing I need python 2.5+ but centOS is pretty dependent on 2.4 From what I've read a number of things will break if you upgrade to 2.5 I wan't to install 2.5 separately from 2.4 but I'm not sure how to do it. So far I've downloaded the source tarball, untarred it and did a ./configure --prefix=/opt which is where I want it to end up. can I now just make, make install ? or is there more?

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