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Shell Programming and Scripting

Remove unwanted white space

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# 1  
Old 06-01-2012
MySQL Remove unwanted white space
Hi,

I have a very big file 25GB with information present in it like

Code:
 
$ head ind_stats
 
update index statistics pfirm001.dbo.Office using 200 values
go
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
 

update index statistics pfirm001.dbo.States using 200 values
go
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
 
 

update index statistics pfirm001.dbo.hpsipb using 200 values
go

how can i remove unwanted white spaces, keeping the spaces between words

Thanks in advance
Sam
# 2  
Old 06-01-2012
What is on those blank lines?
Are there repeated spaces or tabs? Or simply a line-feed (new line)?
# 3  
Old 06-01-2012
use
Code:
tr -s " "

to trim all the white spaces.
# 4  
Old 06-01-2012
@ joeyg
I am not sure but i think those are line feeds

@ donadarsh
your code will also trim the spaces between the words of the query
# 5  
Old 06-01-2012
Could you...
Code:
sed 's/^\n//' <infile

which would remove any line that is simply a blank line with a line-feed or return on it.
# 6  
Old 06-01-2012
@joeyg
nope.. didn't work
# 7  
Old 06-01-2012
In what way did it not work?
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