Найти файлы с расширением и удалить расширение из названия

kir@localhost ~/test/test_to_rm $ ls
photo.jpg  photo.jpg.blahblah
kir@localhost ~/test/test_to_rm $ find . -name ".blahblah"
kir@localhost ~/test/test_to_rm $ find . -name "*.blahblah"
./photo.jpg.blahblah
kir@localhost ~/test/test_to_rm $ find . -name "*.blahblah"|sed -e 's/\.blahblah//'
./photo.jpg
kir@localhost ~/test/test_to_rm $ ls
photo.jpg  photo.jpg.blahblah
kir@localhost ~/test/test_to_rm $ for i in `find . -name "*.blahblah"`; do mv $i $(ls $i|sed -e 's/\.blahblah//'); done
kir@localhost ~/test/test_to_rm $ ls
photo.jpg
kir@localhost ~/test/test_to_rm $

#!/bin/bash

if [ $# == 0 ]; then
  find . -name '*.blahblah' -exec $0 {} \;
else
  echo mv "$1" "${1%.blahblah}"
fi

sed -e 's/\.blahblah//'

sed -e 's/\.blahblah$//'

kir@localhost ~/test/test_to_rm $ ls
photo.jpg  photo.jpg.blahblah  photo.jpg.blahblah.somethingelse
kir@localhost ~/test/test_to_rm $ find . -name "*.blahblah"
./photo.jpg.blahblah
kir@localhost ~/test/test_to_rm $ find . -name "*.blahblah*"
./photo.jpg.blahblah.somethingelse
./photo.jpg.blahblah
kir@localhost ~/test/test_to_rm $ for i in `find . -name "*.blahblah"`; do mv $i $(ls $i|sed -e 's/\.blahblah//'); done
kir@localhost ~/test/test_to_rm $ ls
photo.jpg  photo.jpg.blahblah.somethingelse
kir@localhost ~/test/test_to_rm $

$ touch "qwe.blahblah.asd.blahblah"
$ find . -name "*.blahblah" | sed -e 's/\.blahblah//'
./qwe.asd.blahblah

mv $i $(ls $i|sed -e 's/\.blahblah//')

echo mv "$i" "${i%\.blahblah}"

rename 's/.blahblah//gi' ./*.blahblah

 for i in `find . -name "*.blahblah"`; do mv "$i" "${i%\.blahblah}"; done 

 find . -name "*.blahblah" | while read file ; do mv "${file}" "${file%\.blahblah}" ; done

kir@localhost ~/test/test_to_rm $ ls
file with spaces in filename.jpg  file with spaces in filename.jpg.blahblah

kir@localhost ~/test/test_to_rm $ ls -l
итого 0
-rw-r--r-- 1 kir kir 0 фев  1 21:44 file with spaces in filename.jpg
-rw-r--r-- 1 kir kir 0 фев  1 22:20 file with spaces in filename.jpg.blahblah

kir@localhost ~/test/test_to_rm $ find . -type f -name '*.blahblah' | while read file; do mv "$file" "${file%.blahblah}"; done

kir@localhost ~/test/test_to_rm $ ls -l
итого 0
-rw-r--r-- 1 kir kir 0 фев  1 22:20 file with spaces in filename.jpg

kir@localhost ~/test/test_to_rm $