Application of the 5-perl chdir function in the Age of small

In Perl, The chdir function is used to change the current working directory to the specified directory. If no directory is specified, it goes to the user's main directory. This function calls the CD command in UNIX to switch directories. Here is a specific example to illustrate how chdir works. Use strict; Use warnings; # print all files in a directory sub print_files {my $ dir = 'd:/Code'; opendir Dir, $ DIR or die $ !; My @ files = readdir dir; chdir $ dir; # Use chdir or-F will not work, since-F need absolutely path foreach my $ file (@ files) {If (-F $ file) {print "$ filen" ;}} closedir dir ;}& print_files ();

 

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Application of the 5-perl chdir function in the Age of small