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git.proxmox.com Git - pve-docs.git/blob - png-verify.pl
7 die "no input file specified\n";
9 my $dpi = 146; # expected
11 my $tmp = `identify -units PixelsPerInch -format '%x x %y' $infile`;
13 die "got unexpected DPI density '$tmp' (fix with png-cleanup.pl)\n"
14 if $tmp ne "$dpi x $dpi";