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#!/usr/bin/perl -w use strict; ... <img src="script2.cgi?size=20"> </body> EOT
#!/usr/bin/perl -w use strict; ... my $blue=$gd->colorAllocate(0,0,255); $gd->fill(0,0,$blue); print $gd->gif;
#!/usr/bin/perl -w use strict; ... <img src="$img"> </body> EOT