Table of Contents
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Hex editing
ascii table
To show an ascii table in hex on the cli do ascii
ASCII tabel. An alternative: The complete table of ASCII characters
UTF-8 table
Conversion
printf ‘%x’ 2097151967232
results in: 1e847ff8000
Conversion between ascii, hex, octal and binary
and
the w3resource Conversion Tools
Command output in hex
Example
echo Hello | xxd -i
Hex editors and viewers
Hex editors / viewers we like:
Name | Remark |
---|---|
ascii | Interactive ascii name and synonym chart |
ascii2binary | binary, hex and ascii converter |
beav | Binary editor and viewer |
bindechexascii | binary, decimal, hex and ascii converter |
bless | A full featured hexadecimal editor |
bvi | binary file editor based on the vi |
dhex | ncurses based hex editor with diff mode |
hd, hexdump | Display file contents in hexadecimal, decimal, octal, or ascii |
hexer | Vi like interfacing. Can not search in the hexcode |
hexcurse (1.55-2) | ncurses based, CTRL+q or :q to exit. A bit primitive. No character instertion, no search and replace |
hte | ht (Package name). hte (Program name). Our favorite How to search. Shift-F7 continues a search from cursor |
lfhex | Can handle large files. Viewing and editing files in hex, octal, binary or ascii |
ncurses-hexedit | Invoke with hexeditor |
tweak | Can handle extremely large files |
uni2ascii | Convert UTF-8 Unicode to various 7-bit ASCII representations |
wxHexEditor | Graphical userinterface. Version 0.22 Beta is incorporated in Debian Wheezy |
xxd | Make a hexdump or do the reverse. Comes with vim |
Hexer
Remove x0d characters
Open a file
hexer hexfileToEdit.txt
search for hex 0D and replace it with nothing, thus removing it. Ask for confirmation. When satisfied the option always can be selected. Thereby removing all 0D's for the remainder of the document
:s /\x0d//c
Save the file with
:w
Close hexer with
:q
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