Bulk Delete file name extensions

The directory has the following two files

1.txt.file Touch 2.txt.file

You want to implement delete. File, which is the extension, can be quickly implemented using the following script

For file in $ (ls *.file);d o ext=${file%.*};mv $file $ext;d One

Where ${file%.*} is to get the file name, Mv$file $ext the rename operation

Add: Echo ${file##*.} Can get the file's extension

Echo ${file%.*} to get the file name

[Email protected] Extension_name$file=1.txt.file

[Email protected] Extension_name$echo ${file%.*} shortest match, get file name
1.txt
[Email protected] Extension_name$echo ${file%%.*}
1

[Email protected] Extension_name$echo ${file##*.} Enable longest match, get extension
File
[Email protected] Extension_name$echo ${file#*.}
Txt.file

Bulk Delete file name extensions