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Need help sorting and printing file in a directory

Need help sorting and printing file in a directory

Need help sorting and printing file in a directory

(OP)
Have a script the reads a directory of uploaded files and prints them out. I need to 1: sort them by date (newest printed first) and then 2: print the date next to the filename.  Can anyone help me? thanks.
-mo

script below:
 opendir(FILES,"$SAVE_DIRECTORY");
   @allfiles = sort(grep(!/^\.\.?$/,readdir(FILES)));
   closedir(FILES);
   foreach$file(@allfiles) {
      print "$file\n";
   }
   
   exit;
    }

RE: Need help sorting and printing file in a directory

there are easier ways to do this with simple command line tools (ls), but the perl way isn't terribly difficult, so i'll give it to you.

the modification time of a file can be found with either of the following expressions:
$mtime = -M "filename";
or
$mtime = (stat("filename"))[9];

the first returns the age in days (with decimal part), the second returns a unix time stamp.  i'd suggest using the second.

then, to sort the filenames, use a swartzian transformation:

@sorted = map ( {$_->[1]}
          sort( {$a->[0] <=> $b->[0]}
          map ( {[(-M $_), $_]} @allfiles) ) );

"If you think you're too small to make a difference, try spending a night in a closed tent with a mosquito."

RE: Need help sorting and printing file in a directory

a UNIX command line approach - just to illustrate another option.

#!/usr/local/bin/perl

@files = `ls -tl *`; # -t orders by last modify time.  See 'man ls' for other options
foreach $file (@files)
{
my @stuff = split(/\s+/,$file);
printf "%-25s%5s%4s%7s\n", ($stuff[8],$stuff[5],$stuff[6],$stuff[7]);
}


as always, with Perl, TMTOWTDI,


 
 
 keep the rudder amid ship and beware the odd typo

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