Epsilon User's Manual and Reference >
Command Reference >
Switch to a hexadecimal view of the buffer.
The hex-mode command creates a second buffer that shows a hex
listing of the original buffer. You can edit this buffer, as explained
below. Press q when you're done, and Epsilon will return to the
original buffer, offering to apply your changes.
These commands are available in hex mode:
- A hex digit
- (0-9, a-f)
in the left-hand column area moves in the hex listing to the new
- A hex digit
- (0-9, a-f) elsewhere in the hex listing modifies the
- quits hex mode, removing the hex mode buffer and returning to the
original buffer. Epsilon will first offer to apply your editing
changes to the original buffer.
- moves between the columns of the hex listing.
- s or r
- searches by hex bytes. Type a series of hex bytes, like 0a
0d 65, and Epsilon will search for them. S searches forward, R in
- Ctrl-S or Ctrl-R
- searches for text. It switches for the duration of
the command to the original version of the buffer, then moves to the
corresponding position in hex listing when you exit from searching.
- prompts for a buffer offset as a hex number, then goes to that
- toggles between the original buffer and the hex mode buffer,
going to the corresponding position. This provides a convenient way to
search for literal text: press t to return to the original buffer, use
Ctrl-S to search as usual, then exit the search and press t to go back
to the hex buffer.
- prompts for a new character value and overwrites the current
character with it. You can use any of these formats:
'A', 65, 0x41
(hex), 0b1100101 (binary), 0o145 (octal).
- n or p
- move to the next or previous line.
- toggles the hex overwrite submode, which changes how Epsilon
interprets keys you type in the rightmost column of the hex listing.
In overwrite mode, printable characters you type in the rightmost
column overwrite the text there, instead of acting as hex digits or
For instance, typing "3as" in the last column while in overwrite
mode replaces the next three characters with the characters 3, a, and
s. Outside overwrite mode, they replace the current character with one
whose hex code is 3a, and then begin a search.
To use hex mode commands from overwrite mode, prefix them with a
Ctrl-C character, such as Ctrl-C o to exit overwrite mode. Or move out
of the rightmost column with <Tab> or other movement keys.
- shows help on hex mode.
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