Shell Programming and Scripting

file1.new.new.new
file2.new.new.new
file3.new.new.new
file4.new.new.new

file1.new
file2.new
...

example.new.new.new.new.new

example.new

IFS="."
for i in *.new*
do
     set -- "$i"
     mv "$i" "$1.$2"
done

#!/bin/bash
for i in *.new*
do
     mv "$i" "$(basename "$i".new)"
done

 
for i in *.new*
do
filename=$(echo "${i}" | cut -d. -f1)
ext=$(echo "${i}" | cut -d. -f2)
mv "$i" "${filename}.${ext}"
done

for f in *.new
do
  mv "$f" "${f%%.new.*}.new"
done

for f in *.*.*
do
  mv "$f" "${f%.${f#*.*.}}"
done

[root@centos5 test]# ls -1 | awk  -F"." '{ print $0,$1".new" }' | xargs -n2 echo  mv
mv file10.new.new.new file10.new
mv file1.new.new.new file1.new
mv file2.new.new.new file2.new
mv file3.new.new.new file3.new
mv file4.new.new.new file4.new
mv file5.new.new.new file5.new
mv file6.new.new.new file6.new
mv file7.new.new.new file7.new
mv file8.new.new.new file8.new
mv file9.new.new.new file9.new

mv "$f" "${f%%.new.*}.new"