+ name=
echo "$name"."$extension"
++ echo .
+ new=.
+ mv KMWN.txt0 .
mv: `KMWN.txt0' and `./KMWN.txt0' are the same file
+ name=kokc.txt0
echo $new | sed -e 's/^\(.*\)\.\(...\)$/\1/'
++ echo
++ sed -e 's/^\(.*\)\.\(...\)$/\1/'
+ name=
+ echo ''
+ grep -q '^\(.*\)\.\(...\)$'
+ echo ''
+ grep -q '^\(.*\)\.\(....\)$'
+ echo ''
+ grep -q '^\(.*\)\.\(..\)$'
+ echo ' has an invalid character extension. Abandoning ...'
 has an invalid character extension. Abandoning ...
echo "$name" | sed -e 's/ /_/g'                 -e 's/)//g'                 -e 's/-(/-/g'                 -e 's/_(/-/g'                 -e 's/_-_/-/g'                 -e 's/---*/-/g'                 -e 's/___*/-/g'                 -e 's/\./_/g'                 -e 's/___*/_/g'                 -e 's/_-/-/g'                 -e 's/-_/-/g'                 -e 's/&/and/g'                 -e 's/[_-]ft[_-]/_feat_/g'                 -e 's/[_-]featuring[_-]/_feat_/g'
++ echo ''
++ sed -e 's/ /_/g' -e 's/)//g' -e 's/-(/-/g' -e 's/_(/-/g' -e s/_-_/-/g -e 's/---*/-/g' -e 's/___*/-/g' -e 's/\./_/g' -e 's/___*/_/g' -e s/_-/-/g -e s/-_/-/g -e 's/&/and/g' -e 's/[_-]ft[_-]/_feat_/g' -e 's/[_-]featuring[_-]/_feat_/g'
+ name=
echo "$name"."$extension"
++ echo .
+ new=.
+ mv KOKC.txt0 .
mv: `KOKC.txt0' and `./KOKC.txt0' are the same file