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Full Discussion: Using the vi editor
Top Forums UNIX for Dummies Questions & Answers Using the vi editor Post 9917 by Kelam_Magnus on Monday 5th of November 2001 02:27:13 PM
Old 11-05-2001
vi help

I know that you question was not about vi specifically, but here is some good info for VI related questions.

If when you vi a file, type this while in vi mode.
":set all" this will show you everything that is available to be set in vi mode. To add line numbers type ":set number". To unset this just type ":set nonumber". There are many settings that you can control in vi.

Also, you can create an .exrc file that controls your vi parameters. You probably already have one in your home directory.


Do a "man vi" scroll down to "Program Limits". This will show you the internal limits for vi. Here is an excerpt from there.



Program Limits
vi places the following limits on files being edited.

Maximum Line Length
LINE_MAX characters (defined in <limits.h>), including 2-3 bytes for
overhead. Thus, if the value specified for LINE_MAX is 2048, a line
length up to 2044 characters should cause no problem.

If you load a file that contain lines longer than the specified limit,
the lines are truncated to the stated maximum length. Saving the file
will write the truncated version over the original file, thus
overwriting the original lines completely.

Attempting to create lines longer than the allowable maximum for the
editor produces a line too long error message.

Maximum File Size
The maximum file length of 234,239 lines is silently enforced.







O'Reilly has 2 very good books on vi.

One is the full size book on VI, about $30. The other book is the condensed version of this book. Only about $10.

Very good books!
 

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VI(1)							      General Commands Manual							     VI(1)

NAME
vi - screen oriented (visual) display editor based on ex SYNOPSIS
vi [ -t tag ] [ -r ] [ +command ] [ -l ] [ -wn ] name ... DESCRIPTION
Vi (visual) is a display oriented text editor based on ex(1). Ex and vi run the same code; it is possible to get to the command mode of ex from within vi and vice-versa. The Vi Quick Reference card and the Introduction to Display Editing with Vi provide full details on using vi. FILES
See ex(1). SEE ALSO
ex (1), edit (1), ``Vi Quick Reference'' card, ``An Introduction to Display Editing with Vi''. AUTHOR
William Joy Mark Horton added macros to visual mode and is maintaining version 3 BUGS
Software tabs using ^T work only immediately after the autoindent. Left and right shifts on intelligent terminals don't make use of insert and delete character operations in the terminal. The wrapmargin option can be fooled since it looks at output columns when blanks are typed. If a long word passes through the margin and onto the next line without a break, then the line won't be broken. Insert/delete within a line can be slow if tabs are present on intelligent terminals, since the terminals need help in doing this cor- rectly. Saving text on deletes in the named buffers is somewhat inefficient. The source command does not work when executed as :source; there is no way to use the :append, :change, and :insert commands, since it is not possible to give more than one line of input to a : escape. To use these on a :global you must Q to ex command mode, execute them, and then reenter the screen editor with vi or open. 3rd Berkeley Distribution April 29, 1985 VI(1)
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