1 #! /usr/bin/perl -w
      2
      3 my @test_files = glob "*.txt";
      4
      5 foreach (@test_files) {
      6   print "Starting processing of file, $_.\n";
      7   open TEST_FILE, "< $_" or die "Couldn't open test file, '${_}', for reading: ($!)";
      8
      9   while (<TEST_FILE>) {
     10     print;
     11   }
     12
     13   print "Ending processing of file, $_.\n";
     14 }

##</code><code>##

Starting processing of file, test1.txt.
Line 1 from 'test1.txt'
Line 2 from 'test1.txt'
Line 3 from 'test1.txt'
Use of uninitialized value in concatenation (.) or string at ./test.pl line 13, <TEST_FILE> line 3.
Ending processing of file, .
Starting processing of file, test2.txt.
Line 1 from 'test2.txt'
Line 2 from 'test2.txt'
Line 3 from 'test2.txt'
Use of uninitialized value in concatenation (.) or string at ./test.pl line 13, <TEST_FILE> line 6.
Ending processing of file, .

##</code><code>##

Line 1 from 'test1.txt'
Line 2 from 'test1.txt'
Line 3 from 'test1.txt'

##</code><code>##

Line 1 from 'test2.txt'
Line 2 from 'test2.txt'
Line 3 from 'test2.txt'