Nmap Development mailing list archives
Re: [Lua snippit] print_hex
From: Ron <ron () skullsecurity net>
Date: Sat, 06 Sep 2008 10:51:56 -0500
Patrick Donnelly wrote:
On Fri, Sep 5, 2008 at 8:19 AM, Ron <ron () skullsecurity net> wrote: Attached is an improved version that removes unnecessary loops/logic. It was a fun little exercise :) Cheers,
You version seems to have an off-by-one error that cuts off the last hex byte. I added a +1/-1 to compensate. Maybe now this is perfect? :)
-- Print out a string in hex, for debugging. function print_hex(str) local out = "%08x"..(" %02x"):rep(16).." "; local len, a = #str, 1; repeat if a + 16 > len then -- partial line? io.write( -- 00000000 AB CD EF GH JK ("%08x"..(" %02x"):rep(len-a+1)..(" "):rep(17+a-len-1)):format( a-1, str:byte(a, a+16)), -- abcdefg\n str:sub(a, a+16):gsub("%c", "."), "\n"); else -- full line io.write( -- 00000000 AB CD EF GH JK LM NO PQ out:format(a-1, str:byte(a, a+16)), -- abcdefgh\n str:sub(a, a+16):gsub("%c", "."), "\n"); end a = a + 16; until a > len; -- Print out the length io.write((" Length: %d [0x%x]\n"):format(len, len)) end
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Current thread:
- [Lua snippit] print_hex Ron (Sep 05)
- Re: [Lua snippit] print_hex Patrick Donnelly (Sep 05)
- Re: [Lua snippit] print_hex Ron (Sep 05)
- Re: [Lua snippit] print_hex Ron (Sep 06)
- Re: [Lua snippit] print_hex Patrick Donnelly (Sep 07)
- Re: [Lua snippit] print_hex Kris Katterjohn (Sep 07)
- Re: [Lua snippit] print_hex Ron (Sep 07)
- Re: [Lua snippit] print_hex Patrick Donnelly (Sep 07)
- Re: [Lua snippit] print_hex Patrick Donnelly (Sep 07)
- Re: [Lua snippit] print_hex Sven Klemm (Sep 08)
- Re: [Lua snippit] print_hex Patrick Donnelly (Sep 07)
- Re: [Lua snippit] print_hex Patrick Donnelly (Sep 05)
- Re: [Lua snippit] print_hex Ron (Sep 07)
- Re: [Lua snippit] print_hex Patrick Donnelly (Sep 07)