Re: Analysing text files to obtain statistics on their content Using P

mediastorm

Can anyone get this code to run?
Re: Analysing text files to obtain statistics on their content Using Perl

#!/usr/bin/perl



use strict;

use warnings;



my $filename= "";

if ($#ARGV == -1) #no filename provided as a command line argument.

{

print("Please Enter Filename: ");

$filename = ;

chomp($filename);

}

else

{

$filename = $ARGV[0];

}

if ($filename !~ m/^[_a-zA-Z][^.]{1,7}.TXT$/i)

{

die("File is not valid.
");

}

if ($filename !~ m/.TXT$/i)

{

$filename.=".TXT";

}

if (-e $filename)

{

die("File does not exist
");

}



#check if filename is empty, exit if it is.

if (-s $filename)

{

die("File is empty
");

}

open(READFILE, $filename) or die ("Can't open file $filename");



#then use a while loop and series of if statements similar to the following

while () {

chomp; #removes the input record Separator

my $i = $.; #"$". is the input record line numbers, $i++ will also work

my $p++ if (m/^$/); #count paragraphs

my @t = split (/s+/); #split sentences into "words" and store them in @t

my $words+= @t; # add count to $words

my $chars += tr/ //c; #tr/ //c replaces everything in the string with itself, except spaces, and returns the number of such characters replaced

#count all characters except spaces and add to $chars

}





my $sentences = 0;

my $i = 0;

my $p = 1;

my $words = 0;

my $chars = 0;







while(my $ch = getc(READFILE))

{



my $character_count;



chomp($ch);

if($ch eq "?" || $ch eq "," || $ch eq ".")

{

$sentences++;

}

}



my $word++;

if(my $ch =~ /[ ]+/)

{

$chars++;

}



close(READFILE);



#display results



print("Sentences: $sentences
");

print("Lines: $i lines
");

print("Paragraphs: $p paragraphs
");

print("Words: $words
");

print("Characters: $chars
");