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401 lines
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401 lines
14 KiB
Plaintext
*usr_22.txt* Nvim
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VIM USER MANUAL - by Bram Moolenaar
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Finding the file to edit
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Files can be found everywhere. So how do you find them? Vim offers various
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ways to browse the directory tree. There are commands to jump to a file that
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is mentioned in another. And Vim remembers which files have been edited
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before.
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|22.1| The file browser
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|22.2| The current directory
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|22.3| Finding a file
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|22.4| The buffer list
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Next chapter: |usr_23.txt| Editing other files
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Previous chapter: |usr_21.txt| Go away and come back
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Table of contents: |usr_toc.txt|
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==============================================================================
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*22.1* The file browser
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Vim has a plugin that makes it possible to edit a directory. Try this: >
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:edit .
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Through the magic of autocommands and Vim scripts, the window will be filled
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with the contents of the directory. It looks like this:
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" ============================================================================ ~
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" Netrw Directory Listing (netrw v109) ~
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" Sorted by name ~
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" Sort sequence: [\/]$,\.h$,\.c$,\.cpp$,*,\.info$,\.swp$,\.o$\.obj$,\.bak$ ~
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" Quick Help: <F1>:help -:go up dir D:delete R:rename s:sort-by x:exec ~
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" ============================================================================ ~
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../ ~
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./ ~
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check/ ~
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Makefile ~
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autocmd.txt ~
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change.txt ~
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eval.txt~ ~
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filetype.txt~ ~
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help.txt.info ~
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You can see these items:
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1. The name of the browsing tool and its version number
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2. The name of the browsing directory
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3. The method of sorting (may be by name, time, or size)
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4. How names are to be sorted (directories first, then *.h files,
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*.c files, etc)
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5. How to get help (use the <F1> key), and an abbreviated listing
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of available commands
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6. A listing of files, including "../", which allows one to list
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the parent directory.
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If you have syntax highlighting enabled, the different parts are highlighted
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so as to make it easier to spot them.
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You can use Normal mode Vim commands to move around in the text. For example,
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move the cursor atop a file and press <Enter>; you will then be editing that
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file. To go back to the browser use ":edit ." again, or use ":Explore".
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CTRL-O also works.
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Try using <Enter> while the cursor is atop a directory name. The result is
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that the file browser moves into that directory and displays the items found
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there. Pressing <Enter> on the first directory "../" moves you one level
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higher. Pressing "-" does the same thing, without the need to move to the
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"../" item first.
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You can press <F1> to get help on the things you can do in the netrw file
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browser. This is what you get: >
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9. Directory Browsing netrw-browse netrw-dir netrw-list netrw-help
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MAPS netrw-maps
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<F1>.............Help.......................................|netrw-help|
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<cr>.............Browsing...................................|netrw-cr|
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<del>............Deleting Files or Directories..............|netrw-delete|
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-................Going Up...................................|netrw--|
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a................Hiding Files or Directories................|netrw-a|
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mb...............Bookmarking a Directory....................|netrw-mb|
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gb...............Changing to a Bookmarked Directory.........|netrw-gb|
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c................Make Browsing Directory The Current Dir....|netrw-c|
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d................Make A New Directory.......................|netrw-d|
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D................Deleting Files or Directories..............|netrw-D|
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<c-h>............Edit File/Directory Hiding List............|netrw-ctrl-h|
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i................Change Listing Style.......................|netrw-i|
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<c-l>............Refreshing the Listing.....................|netrw-ctrl-l|
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o................Browsing with a Horizontal Split...........|netrw-o|
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p................Use Preview Window.........................|netrw-p|
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P................Edit in Previous Window....................|netrw-p|
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q................Listing Bookmarks and History..............|netrw-qb|
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r................Reversing Sorting Order....................|netrw-r|
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< (etc)
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The <F1> key thus brings you to a netrw directory browsing contents help page.
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It's a regular help page; use the usual |CTRL-]| to jump to tagged help items
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and |CTRL-O| to jump back.
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To select files for display and editing: (with the cursor is atop a filename)
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<enter> Open the file in the current window. |netrw-cr|
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o Horizontally split window and display file |netrw-o|
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v Vertically split window and display file |netrw-v|
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p Use the |preview-window| |netrw-p|
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P Edit in the previous window |netrw-P|
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t Open file in a new tab |netrw-t|
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The following normal-mode commands may be used to control the browser display:
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i Controls listing style (thin, long, wide, and tree).
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The long listing includes size and date information.
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s Repeatedly pressing s will change the way the files
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are sorted; one may sort on name, modification time,
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or size.
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r Reverse the sorting order.
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As a sampling of extra normal-mode commands:
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c Change Vim's notion of the current directory to be
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the same as the browser directory. (see
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|g:netrw_keepdir| to control this, too)
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R Rename the file or directory under the cursor; a
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prompt will be issued for the new name.
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D Delete the file or directory under the cursor; a
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confirmation request will be issued.
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mb gb Make bookmark/goto bookmark
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One may also use command mode; again, just a sampling:
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:Explore [directory] Browse specified/current directory
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:NetrwSettings A comprehensive list of your current netrw
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settings with help linkage.
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The netrw browser is not limited to just your local machine; one may use
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urls such as: (that trailing / is important)
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:Explore ftp://somehost/path/to/dir/
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:e scp://somehost/path/to/dir/
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See |netrw-browse| for more.
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==============================================================================
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*22.2* The current directory
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Just like the shell, Vim has the concept of a current directory. Suppose you
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are in your home directory and want to edit several files in a directory
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"VeryLongFileName". You could do: >
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:edit VeryLongFileName/file1.txt
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:edit VeryLongFileName/file2.txt
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:edit VeryLongFileName/file3.txt
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To avoid much of the typing, do this: >
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:cd VeryLongFileName
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:edit file1.txt
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:edit file2.txt
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:edit file3.txt
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The ":cd" command changes the current directory. You can see what the current
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directory is with the ":pwd" command: >
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:pwd
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/home/Bram/VeryLongFileName
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Vim remembers the last directory that you used. Use "cd -" to go back to it.
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Example: >
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:pwd
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/home/Bram/VeryLongFileName
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:cd /etc
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:pwd
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/etc
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:cd -
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:pwd
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/home/Bram/VeryLongFileName
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:cd -
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:pwd
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/etc
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WINDOW LOCAL DIRECTORY
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When you split a window, both windows use the same current directory. When
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you want to edit a number of files somewhere else in the new window, you can
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make it use a different directory, without changing the current directory in
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the other window. This is called a local directory. >
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:pwd
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/home/Bram/VeryLongFileName
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:split
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:lcd /etc
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:pwd
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/etc
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CTRL-W w
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:pwd
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/home/Bram/VeryLongFileName
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So long as no ":lcd" command has been used, all windows share the same current
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directory. Doing a ":cd" command in one window will also change the current
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directory of the other window.
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For a window where ":lcd" has been used a different current directory is
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remembered. Using ":cd" or ":lcd" in other windows will not change it.
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When using a ":cd" command in a window that uses a different current
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directory, it will go back to using the shared directory.
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==============================================================================
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*22.3* Finding a file
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You are editing a C program that contains this line:
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#include "inits.h" ~
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You want to see what is in that "inits.h" file. Move the cursor on the name
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of the file and type: >
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gf
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Vim will find the file and edit it.
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What if the file is not in the current directory? Vim will use the 'path'
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option to find the file. This option is a list of directory names where to
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look for your file.
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Suppose you have your include files located in "c:/prog/include". This
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command will add it to the 'path' option: >
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:set path+=c:/prog/include
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This directory is an absolute path. No matter where you are, it will be the
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same place. What if you have located files in a subdirectory, below where the
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file is? Then you can specify a relative path name. This starts with a dot:
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>
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:set path+=./proto
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This tells Vim to look in the directory "proto", below the directory where the
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file in which you use "gf" is. Thus using "gf" on "inits.h" will make Vim
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look for "proto/inits.h", starting in the directory of the file.
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Without the "./", thus "proto", Vim would look in the "proto" directory
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below the current directory. And the current directory might not be where the
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file that you are editing is located.
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The 'path' option allows specifying the directories where to search for files
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in many more ways. See the help on the 'path' option.
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The 'isfname' option is used to decide which characters are included in the
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file name, and which ones are not (e.g., the " character in the example
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above).
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When you know the file name, but it's not to be found in the file, you can
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type it: >
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:find inits.h
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Vim will then use the 'path' option to try and locate the file. This is the
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same as the ":edit" command, except for the use of 'path'.
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To open the found file in a new window use CTRL-W f instead of "gf", or use
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":sfind" instead of ":find".
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A nice way to directly start Vim to edit a file somewhere in the 'path': >
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vim "+find stdio.h"
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This finds the file "stdio.h" in your value of 'path'. The quotes are
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necessary to have one argument |-+c|.
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==============================================================================
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*22.4* The buffer list
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The Vim editor uses the term buffer to describe a file being edited.
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Actually, a buffer is a copy of the file that you edit. When you finish
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changing the buffer, you write the contents of the buffer to the file.
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Buffers not only contain file contents, but also all the marks, settings, and
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other stuff that goes with it.
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HIDDEN BUFFERS
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Suppose you are editing the file one.txt and need to edit the file two.txt.
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You could simply use ":edit two.txt", but since you made changes to one.txt
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that won't work. You also don't want to write one.txt yet. Vim has a
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solution for you: >
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:hide edit two.txt
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The buffer "one.txt" disappears from the screen, but Vim still knows that you
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are editing this buffer, so it keeps the modified text. This is called a
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hidden buffer: The buffer contains text, but you can't see it.
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The argument of ":hide" is another command. ":hide" makes that command
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behave as if the 'hidden' option was set. You could also set this option
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yourself. The effect is that when any buffer is abandoned, it becomes hidden.
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Be careful! When you have hidden buffers with changes, don't exit Vim
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without making sure you have saved all the buffers.
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INACTIVE BUFFERS
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When a buffer has been used once, Vim remembers some information about it.
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When it is not displayed in a window and it is not hidden, it is still in the
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buffer list. This is called an inactive buffer. Overview:
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Active Appears in a window, text loaded.
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Hidden Not in a window, text loaded.
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Inactive Not in a window, no text loaded.
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The inactive buffers are remembered, because Vim keeps information about them,
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like marks. And remembering the file name is useful too, so that you can see
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which files you have edited. And edit them again.
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LISTING BUFFERS
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View the buffer list with this command: >
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:buffers
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A command which does the same, is not so obvious to list buffers, but is much
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shorter to type: >
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:ls
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The output could look like this:
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1 #h "help.txt" line 62 ~
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2 %a + "usr_21.txt" line 1 ~
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3 "usr_toc.txt" line 1 ~
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The first column contains the buffer number. You can use this to edit the
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buffer without having to type the name, see below.
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After the buffer number come the flags. Then the name of the file
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and the line number where the cursor was the last time.
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The flags that can appear are these (from left to right):
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u Buffer is unlisted |unlisted-buffer|.
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% Current buffer.
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# Alternate buffer.
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a Buffer is loaded and displayed.
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h Buffer is loaded but hidden.
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= Buffer is read-only.
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- Buffer is not modifiable, the 'modifiable' option is off.
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+ Buffer has been modified.
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EDITING A BUFFER
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You can edit a buffer by its number. That avoids having to type the file
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name: >
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:buffer 2
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But the only way to know the number is by looking in the buffer list. You can
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use the name, or part of it, instead: >
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:buffer help
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Vim will find the best match for the name you type. If there is only one
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buffer that matches the name, it will be used. In this case "help.txt".
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To open a buffer in a new window: >
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:sbuffer 3
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This works with a name as well.
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USING THE BUFFER LIST
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You can move around in the buffer list with these commands:
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:bnext go to next buffer
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:bprevious go to previous buffer
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:bfirst go to the first buffer
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:blast go to the last buffer
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To remove a buffer from the list, use this command: >
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:bdelete 3
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Again, this also works with a name.
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If you delete a buffer that was active (visible in a window), that window
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will be closed. If you delete the current buffer, the current window will be
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closed. If it was the last window, Vim will find another buffer to edit. You
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can't be editing nothing!
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Note:
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Even after removing the buffer with ":bdelete" Vim still remembers it.
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It's actually made "unlisted", it no longer appears in the list from
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":buffers". The ":buffers!" command will list unlisted buffers (yes,
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Vim can do the impossible). To really make Vim forget about a buffer,
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use ":bwipe". Also see the 'buflisted' option.
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==============================================================================
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Next chapter: |usr_23.txt| Editing other files
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Copyright: see |manual-copyright| vim:tw=78:ts=8:noet:ft=help:norl:
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