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Split output of command by columns using Bash?
... be executed in an environment that does not pass variables to the calling script.
out=$(ps whatever | { read a b c d; echo $c; })
arr=($(ps whatever | { read a b c d; echo $c $b; }))
echo ${arr[1]} # will output 'b'`
The Array Solution
So we then end up with the answer by @frayser which is...
Is there a point to minifying PHP?
...which is then interpreted on top of something resembling a VM. Many other scripting languages follow the same general process, including Perl and Ruby. It's not really a traditional interpreted language like, say, BASIC.
There would be no effective speed increase if you attempted to "minify" the ...
BAT file: Open new cmd window and execute a command in there
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This is not very easy.
The best approach is to have the part of your script that you want to be executed in a "new window" to be in a separate .bat file. This might be impractical if e.g. you need a lot of state from the rest of your script (variables, etc). One option is to pass any values yo...
Regular Expression for alphanumeric and underscores
...and form for [a-zA-Z0-9_]. In the .NET regex language, you can turn on ECMAScript behavior and use \w as a shorthand (yielding ^\w*$ or ^\w+$). Note that in other languages, and by default in .NET, \w is somewhat broader, and will match other sorts of Unicode characters as well (thanks to Jan for po...
Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
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Javascript is limited when making ajax requests outside of the current domain.
Ex 1: your domain is example.com and you want to make a request to test.com => you cannot.
Ex 2: your domain is example.com and you want to ...
Extract substring in Bash
...mmand or something. Looking at it in the history, I was running it in a sh script, which was probably dash. At this point I can't get it to work anymore.
– Spencer Rathbun
Oct 29 '13 at 17:52
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
... how I solved it:
open pip.exe in 7zip and extract __main__.py to Python\Scripts folder.
In my case it was C:\Program Files (x86)\Python27\Scripts
Rename __main__.py to pip.py
Run it! python pip.py install something
EDIT:
If you want to be able to do pip install something from anywhere, do thi...
SVN: Is there a way to mark a file as “do not commit”?
...commit!
I work on the linux command-line: so my solution is to create a script /usr/bin/svnn (yes, with two 'n's!) as follows:
#! /bin/bash
DIR=/home/mike/dev/trunk
IGNORE_FILES="\
foo/pom.xml \
foo/src/gwt/App.gwt.xml \
foo/src/main/java/gwt/Common.gwt.xml \
foo...
Python: json.loads returns items prefixing with 'u'
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I suggest every newbie simply try out this script and voila you have yourself a script to convert ~from~ u'JSON output :) ... if one can only add stdin to the script , and json format at the end, you're ready to go!
– Jordan Gee
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Is there a Unix utility to prepend timestamps to stdin?
I ended up writing a quick little script for this in Python, but I was wondering if there was a utility you could feed text into which would prepend each line with some text -- in my specific case, a timestamp. Ideally, the use would be something like:
...