build/sha256sum.pl - spamassassin - Git at Google

 #!/usr/bin/perl

 BEGIN {
   require Digest::SHA; import Digest::SHA qw(sha256_hex sha512_hex);
 }

 $/=undef;

 while(<>) {
   print sha256_hex($_),"  $ARGV\n";
 }
	#!/usr/bin/perl

	BEGIN {
	require Digest::SHA; import Digest::SHA qw(sha256_hex sha512_hex);
	}

	$/=undef;

	while(<>) {
	print sha256_hex($_)," $ARGV\n";
	}