You can get the names of every file in a directory with the readdir command
opendir (DIR,"./");
@files = readdir DIR;
And the stat command gives you access to the details of a file
foreach $file (@files){
if ( -f $file){
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
+$blksize,$blocks)= stat($file);
push (@wanted) $file if ((time() - $mtime) < (24*60*60);
}
}
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