[NTLUG:Discuss] Discuss Digest, Vol 111, Issue 2

[o k]

Thank, I am looking for replace the value line by line after comparison ( 
 "$s2" != "$v"  ) . 

> Date: Sat, 24 Mar 2012 22:20:48 -0700
> From: oakleeman at yahoo.com
> To: discuss at ntlug.org
> Subject: Re: [NTLUG:Discuss] Discuss Digest, Vol 111, Issue 2
> 
> 
> > 
> > All is there any have a good suggestion on change words on
> > every line in a file. ex:original: dog 
> >    1234cat 
> >    1234mouse  1234houesr 1234 after
> > changed dog 9899cat 9899mouse 9899house 9899 I have this,
> > but seems to not woking: #!/bin/sh
> > v='9899'
> > cat file | while read s1 s2
> > do
> > if [ "$s2" != "$v" ]; then
> >     echo $s1 '--' $s2
> >    cat  "$s1" ' ' "$IPADDR" >>
> > file
> >    sed -i '/$s2/ d' file
> > fi
> > done
> > exit 0 thank for your
> > help.      
> >         
> >           
> >   
> > 
> 
> If you are simply wanting to replace "1234" with "9899" then I think the following should work:
> 
> cp /path/to/filename /tmp/filename.tmp
> sed s/"1234"/"9899"/g < /tmp/filename.tmp> /path/to/filename
> rm -rf /tmp/filename.tmp
> 
> if you are wanting to write it into a script that you can pass two variables to then I think that it will look like this:
> 
> cp /path/to/filename /tmp/filename.tmp
> sed s/"$1"/"$2"/g < /tmp/filename.tmp> /path/to/filename
> rm -rf /tmp/filename.tmp
> 
> 
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