bash + how to verify if file is empty
86719
How to check if file is empty or it has only blank characters?
117638
check if a file is open in Python
113113
Check folder size in Bash
54502
Check if file is already open
111721
How to check if gcc has failed, returned a warning, or succeeded in Bash?
9472
Detecting whether a file is locked by another process (or indeed the same process)
144704
How to conditionally do something if a command succeeded or failed
67636
How to check the extension of a filename in a bash script?
6958
How can I check if a program exists from a Bash script?
17361
How to check if a string has spaces in Bash shell
135954
How to check if a directory/file/symlink exists with one command in Ruby
39392
Elegant solution to echo to either stdout or file in bash
12795
Getting "ensure" / "finally" functionality in a shell command (not script)?
64769
What is the difference between \empty and \@empty?
7431
How does ${!#} work in bash to get the last command-line argument?
99241
Check if inputs are empty using jQuery
80984
How do I check if an HTML element is empty using jQuery?