Additive color mixing begins with black and ends with white; as more color is added, the result is lighter and tends to white. The RGB colors are light primaries and colors are created with light. Percentages of red, green, & blue light are used to generate color on a computer screen.
In shell scripting we often need to check if file or directory exists and take appropriate action. This post show you how to check it and how this check use in your script. For checking we will use file test operators -f for file and -d for directory, which return TRUE if file or directory exists. And here is output of the script.
Simple and straightforward this one, a script to list all files in a directory and all corresponding subdirectories. Copy the code into Notepad or other text editor and save it as get_files.bat : The for command here is used to run a further command for each file or folder in the set.The addition of the /r switch is to tell the script to recurse all directories and subdirectories from where the script is run.The variable name %%a is used to hold the current folder being traversed. slight variation on the first script, this second one lists all folders and sub-folders in a directory and subsequent subdirectories. Copy the code into Notepad and save it as get_dirs.bat : Letâs go through the code. The for command here is used to run a further command for each file or folder in the set.