03-15-2011
IP address to decimal format conversion
I have a file which consist of some class 4 IP address as
172.16.112.50
172.16.112.50
172.16.112.50
172.16.112.100
192.168.1.30
172.16.112.100
172.16.112.50
172.16.112.50
172.16.112.50
i want to store them in pure decimal notations instead of the given dotted decimal formats
e.g. for address
172.16.112.100
the equivalent binary would be
1010 1100. 0001 0000. 0111 0000. 0110 0100
and finally the required decimal number will be a equivalent of above binary representation excluding dots(.)
i.e final binary is
1010 1100 0001 0000 0111 0000 0110 0100
and its decimal equivalent is
2886758500
which should be the output
Thanks in advance
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LEARN ABOUT LINUX
setkeycodes
SETKEYCODES(8) Keyboard Support SETKEYCODES(8)
NAME
setkeycodes - load kernel scancode-to-keycode mapping table entries
SYNOPSIS
setkeycodes scancode keycode ...
DESCRIPTION
The setkeycodes command reads its arguments two at a time, each pair of arguments consisting of a scancode (given in hexadecimal) and a
keycode (given in decimal). For each such pair, it tells the kernel keyboard driver to map the specified scancode to the specified keycode.
This command is useful only for people with slightly unusual keyboards, that have a few keys which produce scancodes that the kernel does
not recognize.
THEORY
The usual PC keyboard produces a series of scancodes for each key press and key release. (Scancodes are shown by showkey -s, see
showkey(1).) The kernel parses this stream of scancodes, and converts it to a stream of keycodes (key press/release events). (Keycodes
are shown by showkey.) Apart from a few scancodes with special meaning, and apart from the sequence produced by the Pause key, and apart
from shiftstate related scancodes, and apart from the key up/down bit, the stream of scancodes consists of unescaped scancodes xx (7 bits)
and escaped scancodes e0 xx (8+7 bits). To these scancodes or scancode pairs, a corresponding keycode can be assigned (in the range
1-127). For example, if you have a Macro key that produces e0 6f according to showkey(1), the command
setkeycodes e06f 112
will assign the keycode 112 to it, and then loadkeys(1) can be used to define the function of this key.
Some older kernels might hardwire a low scancode range to the equivalent keycodes; setkeycodes will fail when you try to remap these.
2.6 KERNELS
In 2.6 kernels key codes lie in the range 1-255, instead of 1-127. (It might be best to confine oneself to the range 1-239.)
In 2.6 kernels raw mode, or scancode mode, is not very raw at all. The code returned by showkey -s will change after use of setkeycodes.
A kernel bug. See also showkey(1).
OPTIONS
None.
BUGS
The keycodes of X have nothing to do with those of Linux. Unusual keys can be made visible under Linux, but not under X.
SEE ALSO
dumpkeys (1), loadkeys (1), showkey (1), getkeycodes (8)
Local 8 Nov 1994 SETKEYCODES(8)