gm87@ue-ubuntu:~/cs215/vecproj$ ./editor input.dat
> h
 This line editor can do the following commands:

  I line   ­ insert line in front of current line
  A line   ­ append line to end of document
  R line   ­ replace current line
  D        ­ delete the current line
  F target ­ makes line containing target current line
  S n      ­ set current line to nth line
  M n      ­ move current line n places
  C        ­ display current line to screen
  P        ­ display entire document to screen
  W file   ­ write document to file
  L file   ­ load file into this editor
  H        ­ display this list of commands
  Q        ­ quit the editor (does not save changes)
> p
line 1
line 2
line 3
> c
line 1
> i first line
> c
first line
> p
first line
line 1
line 2
line 3
> a last line
> c
last line
> p
first line
line 1
line 2
line 3
last line
> m -2
> c
line 2
> r middle line
> p
first line
line 1
middle line
line 3
last line
> s 0
> c
first line
> d
> c
line 1
> p
line 1
middle line
line 3
last line
> f mid
> c
middle line
> l input.dat
> p
line 1
line 2
line 3
> q