tutorials:perl:find_empty_file.2.pl
- find_empty_file.2.pl
#!/usr/bin/perl -w my $script_name = 'find_empty_file.2.pl'; # Chih-Horng Kuo <chkuo@lifedev.org> # find empty files in the "--in_dir" # use the "--regex" option to set search regex (e.g., --regex="*.txt") # set "--opt_rm=1" to remove those files # v2 2010/07/12 # style change # v1 2007/05/25 use strict; use warnings; use Getopt::Long; my $in_dir; my $regex; my $opt_rm; my $verbose; my $debug; GetOptions( "in_dir=s" => \$in_dir, "regex=s" => \$regex, "opt_rm=i" => \$opt_rm, "verbose=i" => \$verbose, "debug=i" => \$debug, ); my $count_in = 0; my $count_non_empty = 0; my $count_empty = 0; # get list of in_files chdir $in_dir or die "cannot chdir to $in_dir: $!"; my @in_files = glob "$regex"; foreach my $in_file (@in_files) { $count_in++; if ( -z $in_file ) { $count_empty++; print "$in_dir$in_file\n" if ($verbose); unlink $in_file if ($opt_rm); } else { $count_non_empty++; } } print "count_in = $count_in\n"; print "count_non_empty = $count_non_empty\n"; print "count_empty = $count_empty\n"; exit(0);
tutorials/perl/find_empty_file.2.pl.txt · Last modified: 2017/04/12 14:45 by chkuo