What does F mean Linux?
Many Linux commands have an -f option, which stands for, you guessed it, force! Sometimes when you execute a command, it fails or prompts you for additional input. This may be an effort to protect the files you are trying to change or inform the user that a device is busy or a file already exists.
What does F command do?
Alternatively known as Cmd+F, Command+F is a keyboard shortcut most often used to open a find or search box to locate a specific character, word, or phrase in a document or web page. On Windows computers, the keyboard shortcut for find is Ctrl + F .
What does if in bash mean?
means “if whatever is a directory and is not a symbolic link”. ( -d will return true if the target is a symbolic link to a directory. The [ syntax is actually a synonym for the test command.
What does-f./ file mean in Bash?
From bash manual: -f file – True if file exists and is a regular file. So yes, -f means file ( ./$NAME.tar in your case) exists and is a regular file (not a device file or a directory for example).
How to write IF, THEN, and else in Bash?
The first simply opens a if statement, the then introduces the what commands to execute if the statement condition was true section and the else introduces the what commands to execute if the statement condition was false section. Finally, the fi closes the statement.
How to do if, elif, then in Bash?
The first simply opens a if statement, the then introduces the what commands to execute if the statement condition was true section and the else introduces the what commands to execute if the statement condition was false section. Finally, the fi closes the statement. We also have the special elif on which we will see more in a minute.
When to use-F or-F in shell script?
When I executed without the -f, it was entering in the else condition, but with -f it enters the //do something condition So I presume -f is for file. Is this correct? I just couldn’t find information to confirm this.