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#!/usr/bin/perl -w
# modula3_count - count physical lines of code
# Strips out (* .. *) and counts the rest.
# Usage: modula3_count [-f file] [list_of_files]
# file: file with a list of files to count (if "-", read list from stdin)
# list_of_files: list of files to count
# -f file or list_of_files can be used, or both
$total_sloc = 0;
# Do we have "-f" (read list of files from second argument)?
if (($#ARGV >= 1) && ($ARGV[0] eq "-f")) {
# Yes, we have -f
if ($ARGV[1] eq "-") {
# The list of files is in STDIN
while (<STDIN>) {
chomp ($_);
&count_file ($_);
}
} else {
# The list of files is in the file $ARGV[1]
open (FILEWITHLIST, $ARGV[1]) || die "Error: Could not open $ARGV[1]\n";
while (<FILEWITHLIST>) {
chomp ($_);
&count_file ($_);
}
close FILEWITHLIST;
}
shift @ARGV; shift @ARGV;
}
# Process all (remaining) arguments as file names
while ($file = shift @ARGV) {
&count_file ($file);
}
print "Total:\n";
print "$total_sloc\n";
sub count_file {
my ($file) = @_;
my $sloc = 0;
my $incomment = 0;
open (FILE, $file);
while (<FILE>) {
if ($incomment) {
if (m/\*\)/) { s/^.*?\*\)//; $incomment = 0;}
else { s/.*//; }
}
if (!$incomment) {
s!\(\*.*?\*\)!!g;
if (m/\(\*/) {
s/\(\*.*//;
$incomment = 1;
}
}
if (m/\S/) {$sloc++;}
}
print "$sloc $file\n";
if ($incomment) {print "ERROR: ended in comment in $file\n";}
$total_sloc += $sloc;
$sloc = 0;
$incomment = 0;
close (FILE);
}
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