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+#!/usr/bin/perl
+# lex_count
+# Usage: lex_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
+
+# This is part of SLOCCount, a toolsuite that counts
+# source lines of code (SLOC).
+# Copyright (C) 2001-2004 David A. Wheeler.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# To contact David A. Wheeler, see his website at:
+# http://www.dwheeler.com.
+#
+#
+
+$total_sloc = 0;
+
+# Do we have "-f" (read list of files from second argument)?
+if (($#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;
+
+ $sloc = `lexcount1 < "$file"`;
+ chomp($sloc);
+ print "$sloc $file\n";
+ $total_sloc += $sloc;
+}
+