a different brightness on a monochrome monitor. You may move the beginning or end marker simply by repositioning the cursor and placing the marker again; the screen will be updated appropriately. If you make an error in using the block commands a message is printed on the status line. Common errors are attempting to move a block to some position within itself and making an error setting the markers. It may be a good idea to use the command to write the current file out to disk before using some of the block commands: they can be destructive! Ctrl K D A beginning marker is put at the current cursor position. Put the end marker at the current cursor position.
Delete all the text between the beginning and end markers. Move the marked text to the current cursor position. The marked block is removed from its original position and placed in the new one. Copy marked block to the current cursor position. The marked text is left where it is and it is also copied to the new position. Put the currently marked block into the head of the undo buffers. Writes the marked text out to a disk file. The user is prompted to enter the filename. Hides the marked block. The block becomes inaccessible and the highlighting is removed. Typing again restores the block. Go to the start of a marked block. Go to the end of a marked block.
Ctrl K B Ctrl K K Ctrl K Y Ctrl K V Ctrl K C Ctrl K P Ctrl K W Ctrl K H Ctrl Q B Ctrl K H Ctrl Q K File commands Reads an entire disk file into the file which you are editing. The newtextisplaced immediatelyinfrontofthecurrent cursorposition. You are prompted to enter the name of the file to be read. Disk write. Writes the current file out to disk and resumes editing at the previous position. All markers and the search and substitute patterns (see below) are preserved. This is a useful command for making a periodic backup of a file. You are prompted for the name of the output file. E x it. The normal way of quitting from the editor.
You are prompted for a filename, the edited text is saved and you are returned to the 1616/OS command level. Both the and the commands preserve the file in its original form (before editing) in a .bak file. This is for safety purposes: if something went wrong with your last edit then you still have the original file. You can stop automatic production of a .bak file by using option .15 1 . See the option command in the Reference Section for full details of all options. Ctrl K R Ctrl K D Ctrl K X Ctrl K D Ctrl K X Page 50 User Tutorial Manual Edit: The Screen Editor