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+#------------------------------------------------------------------------------
+# URL: https://de.wikipedia.org/wiki/Aria_(Software)
+# Reference: https://github.com/aria2/aria2/blob/master/doc/manual-src/en/technical-notes.rst
+# From: Joerg Jenderek
+# Note: only version 1 suited
+# check for valid version one
+0 beshort 0x0001
+# skip most uncompressed DEGAS med-res bitmap *.PI2 and GEM bitmap (v1) *.IMG
+# by test for valid infoHashCheck extension
+>2 ubelong&0xffFFffFE 0x00000000
+# skip DEGAS med-res bitmap DIAGRAM1.PI2 by test for valid length of download
+>>(6.L+14) ubequad >0
+>>>0 use aria
+0 name aria
+# version; (0x0000) or (0x0001); for 0 all multi-byte are in host byte order. For 1 big endian
+>0 beshort x aria2 control file, version %u
+#!:mime application/octet-stream
+!:mime application/x-aria
+!:ext aria2
+# EXTension; if EXT[3]&1 == 1 checks whether saved InfoHash and current downloading the same; infoHashCheck extension
+>2 ubelong !0 \b, infoHashCheck %#x
+# info hash length like: 0 14h
+>6 ubelong !0 \b, %#x bytes info hash
+# info hash; BitTorrent InfoHash
+>>10 ubequad x %#16.16llx...
+# piece length; the length of the piece like: 400h 100000h
+>(6.L+10) ubelong x \b, piece length 0x%x
+# total length; the total length of the download
+>(6.L+14) ubequad x \b, total length %llu
+#>(6.L+14) ubequad x \b, total length %#llx
+# upload length; the uploaded length of download like: 0 400h
+>(6.L+22) ubequad !0 \b, upload length %#llx
+# bitfield length; the length of bitfield like: 4 6 Ah 10h 13h 167h
+>(6.L+30) ubelong x \b, %#x bytes bitfield
+# bitfield; bitfield which represents current download progress
+>(6.L+34) ubequad !0 %#llx...
+