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how to cut the last field without using awk

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Top Forums Shell Programming and Scripting how to cut the last field without using awk
# 1  
Old 03-12-2012
Bug how to cut the last field without using awk
i have file as with the below content

aaa.bbb.cc.dd
aaa.fff.bb
yyyyy.rrrrr.ggggg.iii
wwww.w.r.ty


i want the o/p as below

dd
bb
iii
ty

but i dont want to use awk. is there any other way to do this ?
# 2  
Old 03-12-2012
bash:
Code:
while read var
do
  echo  ${var##*.}
done < inputfile > outputfile

I sure hope this is not a classroom assignment, we have a special forum for that.
# 3  
Old 03-12-2012
Code:
awk -F. '{print $NF}'

# 4  
Old 03-13-2012
Code:
sed 's:.*\.::' inputfile

# 5  
Old 03-13-2012
Code:
grep -o '[^.]*$' infile

# 6  
Old 03-13-2012
Way to do using cut command :

Code:
rev filename |cut -d. -f1 | rev

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