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Removing Space at the end of file

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# 1  
Old 03-02-2005
Data Removing Space at the end of file
Hi....

I have a situation...I have a data file...that has space(an extra row with no data) at the end of file. I am trying to remove that spaces only if the file has a space at the end of file and if there is no space I don't want to do anything.

Can you please help me in this regards.

Thanks
Raj
rkumar28
# 2  
Old 03-02-2005
Quote:
Originally Posted by rkumar28
Hi....

I have a situation...I have a data file...that has space(an extra row with no data) at the end of file. I am trying to remove that spaces only if the file has a space at the end of file and if there is no space I don't want to do anything.

Can you please help me in this regards.

Thanks
Raj
a sample input with spaces to be deleted marked as '_', pls
and a desired output, pls.
# 3  
Old 03-02-2005
Quote:
Originally Posted by rkumar28
Hi....

I have a situation...I have a data file...that has space(an extra row with no data) at the end of file. I am trying to remove that spaces only if the file has a space at the end of file and if there is no space I don't want to do anything.

Can you please help me in this regards.

Thanks
Raj
something like this?
Code:
sed -e '$s/[ ][ ]*$//g' file

# 4  
Old 03-03-2005
Using sed we can do as,

Code:
sed -e '${/^$/d}' <filename>

It will check the last line of a file and if it is null then it will be deleted.

HTH.
# 5  
Old 03-03-2005
Quote:
Originally Posted by muthukumar
Using sed we can do as,

Code:
sed -e '${/^$/d}' <filename>

It will check the last line of a file and if it is null then it will be deleted.

HTH.
'null line' != 'line with blanks'
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