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5e666dce8a
Since this is a console program, ctrl + letter gets mapped to a control character in the range 1 to 26. Most of these control characters are no longer in use and can safely be assumed to be result of ctrl + letter, but ^I maps to the tab character. I chose ^G since the keybind is memorable, and a user is unlikely to try to type the BEL character.
80 lines
1.6 KiB
Groff
80 lines
1.6 KiB
Groff
.Dd January 8, 2016
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.Dt EDITOR 1
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.Os
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.Sh NAME
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.Nm editor
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.Nd text editor
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.Sh SYNOPSIS
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.Nm editor
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.Op Ar file
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.Sh DESCRIPTION
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.Nm
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is a text editor with basic editing functionality.
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It generally behaves like a GUI editor as opposed to common terminal editors.
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The file named by the
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.Ar file
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argument is loaded if specified.
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It quits when
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.Sy Ctrl-Q
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is typed.
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.Pp
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Text can be selected by holding the
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.Sy Shift
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key and moving the cursor.
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.Pp
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It supports these keyboard shortcuts:
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.Bl -tag -width "12345768"
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.It Sy Ctrl-C
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Copy.
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.It Sy Ctrl-G
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Go to line.
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.It Sy Ctrl-K
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Cut.
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.It Sy Ctrl-O
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Open file.
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.It Sy Ctrl-Q
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Quit.
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.It Sy Ctrl-S
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Save file.
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.It Sy Ctrl-V
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Paste.
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.El
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.Pp
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These commands than can be entered after pressing
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.Sy ESC
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and a colon:
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.Bl -tag -width "12345768"
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.It Sy language Oo Sy none "|" Sy c "|" Sy c++ "|" Sy diff Oc
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Select syntax highlighting.
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.It Sy line-numbering Oo Sy on "|" Sy off Oc
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Line numbering.
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.It Sy margin Ar column-index
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Display right margin at
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.Ar column-index .
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.It Sy popen Ar shell-command
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Open new file containing output of running
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.Ar shell-command .
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.It Sy tabsize Ar tab-size
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Select tab size.
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.El
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.Pp
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A subset of these commands can be stored in the
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.Xr editor 5
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configuration file loaded on
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.Nm
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startup.
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.Sh FILES
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.Bl -tag -width "$HOME/.editor" -compact
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.It Pa /etc/editor
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Global configuration.
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.It Pa ~/.editor
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User configuration.
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.El
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.Sh SEE ALSO
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.Xr pager 1 ,
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.Xr editor 5
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.Sh BUGS
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.Nm
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lacks a number of crucial features, such as undo and redo, ability to open
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multiple files at once, and so on.
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The syntax highlighting can occasionally be inconsistent.
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