While working on my video library I noticed that I had to rename a bunch of files to have correct file names that include Show name and Episode name and number.
I have about 275 files named from 000-274, but I needed to rename them to specify the season and episode they correspond to.
For example, files from 125 – 150 are from season 5 of said show, and that is what I will use for this post.
An example of a file in the 125 – 150 range:
‘SHOW – 135 – Some Episode _www.unneededStuff.mp4’
As you can see the filename has the following structure (which I will modify later in this post)
(ShowName) – (filename #) – (EpisodeName)_(Extra unneeded stuff).(extension)
I will be using the Linux/Mac rename command to perform the renaming of these files (125-150).
The end result should be that these files are renamed to have numbers from 501- 526 (for Season 5), so I will use arithmetic manipulate the numbers to be what I want.
I will also clean up the name a little bit so that it does not include the ‘extra unneeded stuff’.
The name of a file should be of form:
‘SHOW – 511 – Some Episode.mp4’
First make sure you work with the specific files you want to modify and nothing else:
$ ls SHOW\ -\ 1{2{5-9},3,4,50}*
// The above will show only files between 125 – 150 will be touched/modified.
// Using Bash brace expansion will help create the list between 125 – 150
// the brace expansion will use anything that has numbers 125-129, and any 13*, 14*, 150
Use the rename command with a RegEx expression that will modify the name the way you want.
I have the following regex expression:
's/(^.+)\s-\s(\d\d\d)(.+)_www.+(\..+$)/$1." - ".($2+376).$3.$4/e'
Explanation:
// (^.+)\s-\s is the Show name plus ‘ – ‘, I am grouping just the name of the show to use it later
// (\d\d\d) is the incorrect episode number used in the filename
// (.+)_www.+ is the Episode name plus ‘unneeded stuff’, I am grouping just the episode name to use it later
// (\..+$) is the file extension, I am grouping it to use it later// Now what was found with the above Regex will be substituted as follows:
$1 will have the Show name
“ – ” I am concatenating literal “ – “ after the show name
($2+376) I am adding the episode number + 376, which will give me the correct episode number. For example for 135, now it will be 511 (which is Season 5 episode 11)
$3 The Episode name captured from the previous regex
$4 The file extension captured from the previous regex
Run rename with -n (dry run) using the regex and file list created above to verify it will give you what you want/expect.
$ rename -n 's/(^.+)\s-\s(\d\d\d)(.+)_www.+(\..+$)/$1." - ".($2+376).$3.$4/e' SHOW\ -\ 1{2{5..9},3,4,50}*
Output:
…
‘SHOW – 135 – Some Episode_www.unneededStuff.mp4’ would be renamed to ‘SHOW – 511 – Some Episode.mp4’
…
Now run it again without -n:
$ rename 's/(^.+)\s-\s(\d\d\d)(.+)_www.+(\..+$)/$1." - ".($2+376).$3.$4/e' SHOW\ -\ 1{2{5..9},3,4,50}*
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