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SED script

Posted on 2004-09-27
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Last Modified: 2010-04-21
I have a line in a perl script that looks like this

sed -e '/[Pp]roduct [Vv]ersion/!d' -e 's/[^0-9]//g'`_ides.zip"         ( need to modify this line )


right now it takes from this:  Product version : 3.86.0
and give back this:             3860_ides.zip

I need it to give back this:    386_ides.zip


is there a way to modify this line to get the correct results.


Thanks
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Question by:bt707
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4 Comments
 
LVL 21

Expert Comment

by:tfewster
ID: 12161330
To just remove ".0" from the end of a line:  sed -e 's/\.0$//'

But what if it's "3.86.1"?  Or "4.0?" If you can show all the "variants" we may be able to describe a generic rule.

In this case, the whole sed statement would be:
sed -e 's/\.0$//' -e '/[Pp]roduct [Vv]ersion/!d' -e 's/[^0-9]//g'
0
 

Author Comment

by:bt707
ID: 12161559
Thanks for the info:

your right the number will change and that will mess me up latter on, could be only a matter of days.

What it is i need to do is not just drop the 0, i need to take the first 3 numbers and drop the '.' that is in between the firt two.
and also drop any thing that is after the first 3 numbers.


that way it always comes out like     386_ides.zip


Thanks, I hope this better explains what I need to do.
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LVL 21

Accepted Solution

by:
tfewster earned 500 total points
ID: 12161744
I think this does what you want:
sed -e 's/\.[0-9]*$//' -e '/[Pp]roduct [Vv]ersion/!d' -e 's/[^0-9]//g'

The 's/\.[0-9]*$//' strips off the last digits at the end of a line
0
 

Author Comment

by:bt707
ID: 12161961
Thanks I think that will do what I need,

Thanks,  again
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