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delete last line in all the file in a directry

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# 8  
Old 11-29-2007
how to remove extra spaces or new line character from a file using unix commands?
# 9  
Old 11-30-2007
this should logically be a new thread

however to remove extra spaces

Code:
sed 's/  *//g' filename

to remove empty lines
Code:
sed -i '/^$/d' filename

# 10  
Old 11-30-2007
Quote:
Originally Posted by Lakris
But sed is shorter! Smilie
shorter as in:
(a) has less number of characters on the command line
or
(b) takes less time to execute (is more efficient)
?
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