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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 66 |
1 files changed, 16 insertions, 50 deletions
@@ -293,7 +293,7 @@ Operators can be forced to work line wise by specifying `V`. found in the [sam manual page](http://man.cat-v.org/plan_9/1/sam). The [sam reference card](http://sam.cat-v.org/cheatsheet/) might also be useful. - For now sam commands can be entered from the vis prompt via `:sam <cmd>` + Sam commands can be entered from the vis prompt as `:<cmd>` A command behaves differently depending on the mode in which it is issued: @@ -328,9 +328,8 @@ Operators can be forced to work line wise by specifying `V`. Hence the sam command `,x/pattern/` can be abbreviated to `x/pattern` - If a command is successful vis switches to normal mode (and hence removes - any selections), otherwise the editor is kept in visual mode. The print - command "fails" by definition. + If after a command no selections remain, the editor will switch to normal + mode otherwise it remains in visual mode. Other differences compared to sam include: @@ -341,7 +340,6 @@ Operators can be forced to work line wise by specifying `V`. * print line address `=` * print character address `=#` * set current file mark `k` - * quit `q` * undo `u` - Multi file support is currently very primitive: @@ -355,36 +353,26 @@ Operators can be forced to work line wise by specifying `V`. - The special grouping semantics where all commands of a group operate on the the same state is not implemented. - - The file mark address `'` (and corresponding k command) is not supported - - - The I/O related commands `e`, `r`, `w`, `<`, `>`, `|`, `!` and `cd` - are not yet implemented. - - These should not be hard to add later on. The equivalent vi commands - `:r !`, `:w !`, `:!` are supported hence the necessary infrastructure to - implement them is already there. + - The file mark address `'` (and corresponding `k` command) is not supported ### Command line prompt - At the `:`-command prompt only the following commands are recognized, any - valid unique prefix can be used: + Besides the sam command language the following commands are also recognized + at the `:`-command prompt. Any unique prefix can be used. - :nnn go to line nnn :bdelete close all windows which display the same file as the current one - :edit replace current file with a new one or reload it from disk + :e replace current file with a new one or reload it from disk :open open a new window :qall close all windows, exit editor - :quit close currently focused window - :read insert content of another file at current cursor position + :q close currently focused window + :r insert content of another file at current cursor position :split split window horizontally :vsplit split window vertically :new open an empty window, arrange horizontally :vnew open an empty window, arrange vertically :wq write changes then close window - :xit like :wq but write only when changes have been made - :write write current buffer content to file - :saveas save file under another name - :substitute search and replace currently implemented in terms of `sed(1)` + :w write current buffer content to file + :s search and replace currently implemented in terms of `sed(1)` :earlier revert to older text state :later revert to newer text state :map add a global key mapping @@ -392,8 +380,7 @@ Operators can be forced to work line wise by specifying `V`. :map-window add a window local key mapping :unmap-window remove a window local key mapping :langmap set key equivalents for layout specific key mappings - :! filter range through external command - :| pipe range to external command and display output in a new window + :! launch external command, redirect keyboard input to it :set set the options below tabwidth [1-8] default 8 @@ -441,32 +428,11 @@ Operators can be forced to work line wise by specifying `V`. use the given theme / color scheme for syntax highlighting - Each command can be prefixed with a range made up of a start and - an end position as in start,end. Valid position specifiers are: - - . start of the current line - +n and -n start of the line relative to the current line - 'm position of mark m - /pattern/ first match after current position - - If only a start position without a command is given then the cursor - is moved to that position. Additionally the following ranges are - predefined: - - % the whole file, equivalent to 1,$ - * the current selection, equivalent to '<,'> - - History support, tab completion and wildcard expansion are other - worthwhile features. However implementing them inside the editor feels - wrong. For now you can use the `:edit` command with a pattern or a - directory like this. - - :e *.c - :e . + Commands taking a file name will use a simple file open dialog based + on the `vis-open` shell script, if given a file pattern or directory. - vis will call the `vis-open` script which invokes dmenu or slmenu - with the files corresponding to the pattern. The file you select in - dmenu/slmenu will be opened in vis. + :e *.c # opens a menu with all C files + :e . # opens a menu with all files of the current directory ### Runtime Configurable Key Bindings |