parse aria2c control file from cmd line.
I just find someone, also find a way to convert .aria2 file to magnet link.
just see this issue(aria2/aria2#792).
read the aria technical notes, the .aria2 (Control File) contain the hash info of the magnet link, so just parse the file.
also @alphatr write a tool transform .aria2 file to a magnet link use javascript.
# ================================================================
# 0 1 2 3
# 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
# +---+-------+-------+-------------------------------------------+
# |VER| EXT |INFO |INFO HASH ... |
# |(2)| (4) |HASH | (INFO HASH LENGTH) |
# | | |LENGTH | |
# | | | (4) | |
# +---+---+---+-------+---+---------------+-------+---------------+
# |PIECE |TOTAL LENGTH |UPLOAD LENGTH |BIT- |BITFIELD ... |
# |LENGTH | (8) | (8) |FIELD | (BITFIELD |
# | (4) | | |LENGTH | LENGTH) |
# | | | | (4) | |
# +-------+-------+-------+-------+-------+-------+---------------+
# |NUM |INDEX |LENGTH |PIECE |PIECE BITFIELD ... |
# |IN- | (4) | (4) |BIT- | (PIECE BITFIELD LENGTH) |
# |FLIGHT | | |FIELD | |
# |PIECE | | |LENGTH | |
# | (4) | | | (4) | |
# +-------+-------+-------+-------+-------------------------------+
#
# ^ ^
# | |
# +-------------------------------------------------------+
# Repeated in (NUM IN-FLIGHT) PIECE times
# more detail
# https://aria2.github.io/manual/en/html/technical-notes.html
# ================================================================
python aria2_to_magnet.py dahufa.aria2output
magnet:?xt=urn:btih:959E2ECEB954313D3869EFF7924CA7CD8DE739
with multiple files
python aria2_to_magnet.py *.aria2