How can I check if a filehandle is open in Perl?
34741
How can I test if I can write to a filehandle?
147894
Is there a way to execute JavaScript in Perl?
135954
How to check if a directory/file/symlink exists with one command in Ruby
12808
Script to Notify me when something happens on a shared directory
92445
How can I selectively access elements returned by a Perl subroutine?
92335
Check if a file is executable
109276
Check file permissions
92783
How to detect file ends in newline?
79635
Test if file exists
46735
"which in ruby": Checking if program exists in $PATH from ruby
134532
WSL - A Bash line to show when a folder's contents update
35245
How do I check if file exists in jQuery or pure JavaScript?
132655
Better way to check if a Path is a File or a Directory?
106594
How can we check if a file Exists or not using Win32 program?
141213
How do I check if a filename matches a wildcard pattern
86323
How can I get the command-line output of a DOS tool using Perl?
76437
How find out which process is using a file in Linux?