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How to check for a character at last line of the file?

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# 1  
Old 02-22-2010
How to check for a character at last line of the file?
this is the csv file.
i want to check the last line contains the character N.

Code:
Record Type#Batch Job ID#Batch Number#FileCreation Date#FileCreation Time#Production/Test Fileindicator#File Character
H#0002#0002#20100218#17.25#P#barani
Record Type#A#B#C#D#E#F#G#H#J#K#L
1#2#3#4#5#6#7#8#9#10#11
Record Type#NumberOFRecords
T#4500
N

Thanks
barani
Last edited by barani75; 02-22-2010 at 06:56 AM.. Reason: added some
# 2  
Old 02-22-2010
Something like this:

Code:
 
va=`tail -1 input_file`
 
if [ $va = 'N' ] ; then
echo"Found"
else
echo"Not Found"
fi

# 3  
Old 02-22-2010
tail -1 filename

or

tail -1 filename | grep "N"
# 4  
Old 02-22-2010
Try:

Code:
sed -n '$ { /N/ p; }' < file

# 5  
Old 02-22-2010
Code:
awk 'END{if($0 ~/N/)print}' file


cheers,
Devaraj Takhellambam
# 6  
Old 02-22-2010
Code:
perl -ne 'chomp($x=$_); END{print $x eq "N" ? "Ends" : "Does not end", " with N"}' file

tyler_durden
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