cmd,conds,short,long,params,dirs,pri,desc
xxd, __fish_seen_argument -o i, , , ,@f @r,104,Set variable name
xxd, __fish_seen_argument -o r, , ,-32 -8 +8 +32, ,106,Start at SEEK bytes offset in file
xxd, __fish_seen_argument -o r, , ,-32 -8 +8 +32, ,107,Add OFFSET to file positions in hexdump