This is basically my first script in bash so I\'m probably missing something really simple. I don\'t understand why \"$(pgrep firefox)\" appears to return something even if firefox is not running.
I am setting a cron job on my linux server. So i am writing a shell script for it,which invoke after every 20 minutes.
I\'m creating a shell in C for learning purposes, and so far I\'ve gotten to the point where you can input a string via fgets(), the string is broken down into \"chunks\", and then these chunks are pa
I\'m on an Ubuntu platform and have a directory containing many .py files and subdirectories (also containing .py files). I would like to add a line of text to the top of each .py file. What\'s the ea
I want to iterate over a list of files. This list is the result of a find command, so I 开发者_JS百科came up with:
What is the best way to output all lines of a file without the last line, using command-line tools? Example:
I am automating some tasks with python, but have hit a bit of a roadblock.One of the tasks I am automating requires user input in the shell.
I would like to grab a table from one database and append this data to a table in another database. However, they have similar numbers (including the id) which need to be updated before they can be co
Suppose there is a large text file and I would lik开发者_开发技巧e to print only the lines that do not match some patterns. Obviously, I can use egrep -v \'patter1|pattern2|pattern3. Now what if all t
I want to use something like shell-o开发者_运维问答ut [ http://richhickey.github.com/clojure-contrib/shell-out-api.html ], but without capturing the any output. Of course the output can be passed to p