Re: How to run vi with nohup?

In comp.os.linux.misc AN O'Nymous <a_n_onymous80@xxxxxxxxxxx>:
Is it possible to edit a text file using vi without interactive
keyboard input?

E.g. let's say data.txt file from lines 1234 to 1237 contains:

3034 2.454295900E-01-1.647665100E-01-5.115002000E-02 0
0
3035 2.111312000E-01-9.416140600E-02-4.627781400E-02 0

[..]

I wan't to edit -1.133* to -1.500*

If I used the keyboard, I would type:
:%s/-1.133/-1.500

How do I do this automatically through the nohup command?

You don't need nohup.

vi file 2>/dev/null << EOF
:%s/-1.133/-1.500
:wq!
EOF

Or whatever you want.
[..]

Two other questions:
1) How do I edit -1.133 to say 0.5, whilst preserving the column
accounting? (so the decimal point goes in exactly the same spot, while
the text after 0.5 doesn't get shifted right).

Dunno what you mean. I'd suggest trying 'vimtutor' and trying a
google search, there are quite a few docs about basic vi(m)
usage.

2) The %s flag for replacing text searches the whole file. How do I
specifically search & replace between lines X and Y?

:1,50 s/-1.133/-1.500

To replace the first occurrence of your pattern in line 1 to 50.

BTW
Please, please try below URL(s) before answering, most people
aren't using a browser here to read/write, this is usenet.

http://www.safalra.com/special/googlegroupsreply
http://cfaj.freeshell.org/google

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