Let us take a look at an example of renaming all 'image_*.jpeg' files back to the '.txt' extension: $ rename -nono 's/.jpeg/.txt/' *.jpeg If you are aware of the term 'dry run', this is essentially that. When you use this option, the rename command will show what the changes might look like, instead of actually renaming files. Since, you and I, both are humans, we tend to make mistakes, especially with regular expressions.įor that to not be a scathing issue, there exists a life-saving option. This is an example, and hence I only created 5 files for demonstration.īut in real life, you might have upwards of hundreds of files. I_AM_NOT_SCREAMING MAYBE_I_AM_SCREAMING WHO_KNOWS Tips on preventing mistakes while bulk renaming files Maybe_i_am_screaming renamed as MAYBE_I_AM_SCREAMING I_am_not_screaming renamed as I_AM_NOT_SCREAMING I_am_not_screaming maybe_i_am_screaming who_knows Try renaming a file with lowercase characters into uppercase characters, DOS-style :p $ ls Since the only thing you want to do is replace '.txt' with '.jpeg', you can use substitution with regular expressions like this: $ rename -v 's/.txt/.jpeg/' *.txt Let us try to rename the 'image_*.txt' files to their correct extension. The term 'PERL-REGEX' in the syntax means that the regular expression it receives must be in Perl's syntax. Below is its syntax: rename PERL-REGEX FILES The rename command uses regular expression pattern matching to rename files.
Mass rename ubuntu install#
Use the apt command to install it: sudo apt install rename Unfortunately, it is not pre-installed in Ubuntu. A simpler option is using the rename command. You can try using the find-exec command combination but it gets complicated. So what do you do when you have multiple files and want to rename them in Ubuntu command line? Image_1.txt image_2.txt image_3.txt image_4.txt image_4.txt For example, you can not issue a command like this: $ ls *.txt The mv command is great, but it can not rename multiple files at once. Renamed 'pls_rename.txt' -> 'renamed_it.txt' Here, I rename pls_rename.txt file to renamed_it.txt. But if you use the mv command on a file in the same location, it renames the file instead.īelow is the syntax for mv command: mv OLD_NAME NEW_NAME The mv command is for moving (or more like cut-paste kind of operations) files from one location to another. To rename a file, the mv command is used. I'll go over these things in a bit more detail here. There are also ways to rename multiple files in the command line. You can rename individual files in this way.
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