The code seems to miss to NULL-terminate arrays[k]. Make the last entry in arrays[k] carry NULL. Update: This should be of even more straight forward just: as the members of the exec*()-family of functions return on error only.
I am very, very new to UNIX programming (running on MacOSX Mountain Lion via Terminal). I’ve been learning the basics from a bioinformatics and molecular methods course (we’ve had two classes) where we will eventually be using perl and python for data management purposes. Anyway, we have been tasked with writing a shell script to … Read more
I guess you are looking for brace expansion: take a look here, it would be helpful for you if you want to handle multiple files once : http://www.tldp.org/LDP/abs/html/globbingref.html tab completion with zsh…
Did you try just passing the string variable to a for loop? Bash, for one, will split on whitespace automatically.
import nltk is Python syntax, and as such won’t work in a shell script. To test the version of nltk and scikit_learn, you can write a Python script and run it. Such a script may look like Note that not all Python packages are guaranteed to have a __version__ attribute, so for some others it … Read more
To add to Irfan’s answer, here is a shorter and faster version of get() since it requires no iteration over the map contents:
It is: The $# variable will tell you the number of input arguments the script was passed. Or you can check if an argument is an empty string or not like: The -z switch will test if the expansion of “$1” is a null string or not. If it is a null string then the body is executed.
There must be a space between if and [, like this: These (and their combinations) would all be incorrect too: These on the other hand are all ok: Btw these are equivalent: These are also equivalent: And, the middle part of your script would have been better with an elif like this: (I also dropped … Read more
Finally I found a solution for that problem, after I searched again. The problem was with a directory in the /dev. I hit the following command in the command line and it works great.
Please read the whole answer before attempting to run with sudo Try running sudo /dvtcolorconvert.rb ~/Themes/ObsidianCode.xccolortheme The sudo command executes the commands which follow it with ‘superuser’ or ‘root’ privileges. This should allow you to execute almost anything from the command line. That said, DON’T DO THIS! If you are running a script on your … Read more