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{{Tip |
{{Tip |
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|rating=274/87 |
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|text= |
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| + | You can increment or decrement a number by pressing Ctrl-A or Ctrl-X when in Normal mode. The number can be at the cursor, or after the cursor. |
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| − | To increase a number under or nearest to the right of the cursor, go to Normal mode and type: |
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| + | The number can be decimal, hexadecimal or octal. You can also increment or decrement a single letter ("a...", "b...", "c..."). This is controlled with the 'nrformats' option. |
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| ⚫ | |||
| + | Ctrl-A is very useful in a macro. As an example, suppose you type the line: |
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| + | 101 This is an item. |
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| + | In Normal mode, enter the following to record a macro into the '''a''' register. This macro yanks the current line, then pastes it below, then increments the number. |
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| + | qa |
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| + | Y |
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| + | p |
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| ⚫ | |||
| + | q |
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| + | Now type '''15@a''' to perform the macro 15 times. You will see: |
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| − | To decrease, type: |
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| + | 101 This is an item. |
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| ⚫ | |||
| + | 102 This is an item. |
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| + | 103 This is an item. |
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| + | 104 This is an item. |
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| + | and so on |
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| + | On Windows, your _vimrc file may source mswin.vim. That script sets Ctrl-A to Select All. If you want to use Ctrl-A in Normal mode to increment a number, you need: |
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| ⚫ | |||
| + | == References == |
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| − | |||
| ⚫ | |||
| − | Using this in a macro simplifies generating number sequences a lot. |
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| + | :help 'nrformats' |
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| − | |||
}} |
}} |
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== Comments == |
== Comments == |
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| − | I always looked for a possbility to create multiple lines with the same content only differing by an increasing or decreasing number. Probably haven't searched hard enough: |
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| − | |||
| − | Create the first line with the number. |
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| − | Set the cursor on the number. |
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| − | Do: mnYP`n^A |
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| − | |||
| − | Or create a macro with this and call it multiple times. The single quote must be the back quote ` not ', because ' goes to the beginning of the line in the mark and ` goes to the proper column/character-position. Furthermore the ^A = <CTRL>-A (see this page). You can as easily change to decreasing numbers. |
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| − | |||
| − | Herman Suijs |
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| − | |||
| − | |||
| − | vim--AT--suijsmail.com |
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| − | , October 10, 2001 0:30 |
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| − | ---- |
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| − | I didn't even read properly, because the nearest number to the right is increased or decreased. If there is only 1 number on the line it doesn't matter if you use ` or '. |
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| − | |||
| − | Sorry ;-) |
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| − | |||
| − | Herman Suijs |
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| − | |||
| − | |||
| − | vim--AT--suijsmail.com |
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| − | , October 10, 2001 0:31 |
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| − | ---- |
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| − | Hi all |
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| − | |||
| − | CTRL-A is used to add a number. |
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| − | However, in gvim for win32, it became "select all". |
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| − | |||
| − | Is there any way to change it back to increase a number instead of select all text in file? |
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| − | |||
| − | Thanks |
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| − | |||
| − | franklin--AT--goodhorse.idv.tw |
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| − | , February 18, 2003 0:57 |
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| − | ---- |
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| − | you just have to put |
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| − | |||
| ⚫ | |||
| − | |||
| − | in your _vimrc file |
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| − | Seib |
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| − | seibpoirier--AT--free.fr |
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| − | , May 15, 2003 7:01 |
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| − | ---- |
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| − | Actually, that last comment won't work on win32. (at least when I tried it) |
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| − | The correct version of that is: |
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| − | |||
| − | :unmap <c-a> |
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| − | |||
| − | Hope this helps someone else. :-) |
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| − | |||
| − | - Mick |
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| − | |||
| − | micklweiss--AT--gmx.net |
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| − | , November 30, 2003 6:05 |
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| − | ---- |
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| − | Actually, that version does work --- in normal mode. Net. effect: |
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| − | In normal mode, c-A increments. |
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| − | In insert mode (or any other mode), c-A selects all. |
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| − | Wicked! |
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| − | |||
| − | --Esteis |
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| − | |||
| − | |||
| − | sbbrouwer#gmail,com |
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| − | , May 8, 2006 1:15 |
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| − | ---- |
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| − | If you are trying to make this work in Windows, look into your _vimrc file. There is a line there that sources a file called mswin.vim, this maps a whole mess of things to try to make things work like normal Windows editors do (Ctrl-C for Copy, Ctrl-P for Paste, and so on) -- if this is not the way you want things to work, just remove the line that sources that file. |
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| − | |||
| − | seftarbell--AT--gmail.com |
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| − | , May 31, 2006 9:43 |
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| − | ---- |
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| − | <!-- parsed by vimtips.py in 0.580948 seconds--> |
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Revision as of 05:50, 16 June 2007
Tip: #30 - Increasing or decreasing numbers
Created: March 7, 2001 5:25 Complexity: basic Author: neuron Version: 5.7 Karma: 274/87 Imported from: Tip#30
You can increment or decrement a number by pressing Ctrl-A or Ctrl-X when in Normal mode. The number can be at the cursor, or after the cursor.
The number can be decimal, hexadecimal or octal. You can also increment or decrement a single letter ("a...", "b...", "c..."). This is controlled with the 'nrformats' option.
Ctrl-A is very useful in a macro. As an example, suppose you type the line:
101 This is an item.
In Normal mode, enter the following to record a macro into the a register. This macro yanks the current line, then pastes it below, then increments the number.
qa Y p Ctrl-A q
Now type 15@a to perform the macro 15 times. You will see:
101 This is an item. 102 This is an item. 103 This is an item. 104 This is an item. and so on
On Windows, your _vimrc file may source mswin.vim. That script sets Ctrl-A to Select All. If you want to use Ctrl-A in Normal mode to increment a number, you need:
:nunmap <C-A>
References
:help Ctrl-A :help 'nrformats'