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1 #!/usr/bin/perl
2 #
3 # checkincludes: Find files included more than once in (other) files.
4 # Copyright abandoned, 2000, Niels Kristian Bech Jensen <nkbj@image.dk>.
5
6 foreach $file (@ARGV) {
7 open(FILE, $file) or die "Cannot open $file: $!.\n";
8
9 my %includedfiles = ();
10
11 while (<FILE>) {
12 if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) {
13 ++$includedfiles{$1};
14 }
15 }
16
17 foreach $filename (keys %includedfiles) {
18 if ($includedfiles{$filename} > 1) {
19 print "$file: $filename is included more than once.\n";
20 }
21 }
22
23 close(FILE);
24 }