Rf: Created page with "= Text editing = * There are very many text editors, but one of the most powerful and dependable is `vi`. * It has a steep but tiny learning curve, which we hope t..."

2017-04-19T22:35:13Z

Created page with "= Text editing = * There are very many text editors, but one of the most powerful and dependable is <code>vi</code>. * It has a steep but tiny learning curve, which we hope t..."

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= Text editing =

* There are very many text editors, but one of the most powerful and dependable is <code>vi</code>.
* It has a steep but tiny learning curve, which we hope to conquer in this section.

* "vi" is an old version and is available on all Unix/linux systems by default
* Vim is the modern version, it used <code>ncurses</code> to use the whole screen
* It's free and has graphical version call gvim and a Windows version too.

== Using vim ==

* type <code>vim</code> to get in, and <code>:q</code> to get out without saving.
* <code>ZZ</code> to save onto to current filename. ":sav fname" otherwise
* It opens in "normal" mode which is similar to less, in that direct editing is not expected.
* This is changed by pressing <code>i</code>. To get back to normal mode, press the <code>ESC</code> key.
* In normal mode <code>u</code> undoes any changes
* <code>:</code> while in normal mode allows command sto be entered
* Visual: enabled by "v" or "V" (visual block), sub-box at the bottom open.
* After v or V, movement keys ":%" will operate on whole document, ":’a,’b" operate between two marks, ":42,45" between two line numbers
* search via "/", ":set hlsearch" to see all the hits

Hdi2u S15 - Revision history

Rf: Created page with "= Text editing = * There are very many text editors, but one of the most powerful and dependable is vi. * It has a steep but tiny learning curve, which we hope t..."

Rf: Created page with "= Text editing = * There are very many text editors, but one of the most powerful and dependable is `vi`. * It has a steep but tiny learning curve, which we hope t..."