[Eug-lug] Computer time

[John Sechrest]

Jim K <kjim9 at earthlink.net> writes:

 %       I just did a man ex on a mandrake 10 community system and it 
 % displayed the vim man page. Is ex just an alias for vim?

VIM (VI) and EX are the same editor. 
VI is the visual mode, EX is the line mode.

 % I have had at least one linux system that didn't have ex, but they all 
 % had ed. You can create a program or script that creates a
 % script that executes ed and operate on another file. ed is small and 
 % could be loaded on thing like linux ipods the Zuarus series of machines 
 % etc, without using up memory.

ed is the original editor. The key nice thing about it
is that it is always available. 


 %     Also if you have used a line editor in the past ed is easy to pick 
 % up and run with.


 % Jim K
 % Allen Brown wrote:
 % 
 % >On Fri, 21 Jan 2005, Max Lemieux wrote:
 % >
 % >  
 % >
 % >>Ok, this works. Enter gives me a ? but line number + enter displays a line.
 % >>
 % >>What practical uses do you find for ed? seems specialized enough that it 
 % >>could be very handy.
 % >>
 % >>-Max
 % >>    
 % >>
 % >
 % >Criminey!  ed is just an historical relic.  If you want something
 % >that is line oriented rather than a screen editor, use ex.
 % >--
 % >Allen Brown
 % >  work: Agilent Technologies      non-work: http://www.peak.org/~abrown/
 % >        allen_brown at agilent.com             abrown at peak.org
 % >  The dinosaurs became extinct because they didn't have a space program.
 % >  --- Larry Niven
 % >
 % >
 % >  
 % >
 % >>Jacob Meuser wrote:
 % >>
 % >>    
 % >>
 % >>>On Fri, Jan 21, 2005 at 02:52:39PM -0800, Max Lemieux wrote:
 % >>> 
 % >>>
 % >>>      
 % >>>
 % >>>>max at 4[~]$ ed Robert.txt
 % >>>>261
 % >>>>
 % >>>>Yikes! I even RTFM ed, and no mention of a display mode (what am I 
 % >>>>missing?). The substitution looked handy, though...
 % >>>>   
 % >>>>
 % >>>>        
 % >>>>
 % >>>ed works line-at-a-time.
 % >>>
 % >>>just start hitting enter, or some number less than 261 and then enter.
 % >>>
 % >>>now if you want to delete a line type 'd <line#>'.
 % >>>
 % >>>use 'a <line#>' to add a line.
 % >>>
 % >>> 
 % >>>
 % >>>      
 % >>>
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 % >>
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 % 
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-----
John Sechrest          .         Helping people use
                        .           computers and the Internet
                          .            more effectively
                             .                      
                                 .       Internet: sechrest at peak.org
                                      .   
                                              . http://www.peak.org/~sechrest