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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
...
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...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...of the Procfile. It is worth mentioning that they needed me to add a start script in my package.json
– Rishav
Mar 6 '19 at 16:19
1
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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...
Python: json.loads returns items prefixing with 'u'
...
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
...
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:
...
How do I remove packages installed with Python's easy_install?
... Probably worth mentioning that this method may leave stray data_files and scripts (and possibly other file categories) on the system. The egg's EGG-INFO/SOURCES.txt contains a list of all package files and sources, but not data_files, which can be installed into any arbitrary directory on your syst...
Converting datetime.date to UTC timestamp in Python
... Python and I need to convert them to UTC timestamps to be used
inside Javascript. The following code does not work:
10 Ans...