Look at the file again, and when you are positive that it's what you want, execute it with sh /tmp/bulk-rename. That file now contains a lot of lines like mv -n "foo" "bar" mv -n prevents overwriting an existing file. The sed part adds a mv -n to the start of each of those lines. What that paste command does is it takes one line from /tmp/old.txt and one line from /tmp/new.txt and puts them together on one single line with a blank between them. Then put the files together with the paste command and change each line to a mv command: paste /tmp/old.txt /tmp/new.txt | sed -e 's/^/mv -n /' >/tmp/bulk-rename In any case, have a good hard look at /tmp/new.txt to see if it's really what you want the new names to look like.Ĭheck for duplicate names! ( sort /tmp/new.txt | uniq -r) Make sure there are no duplicates and if there are, edit that line manually to get a unique name. Important: do not change the order in that file, and do not delete or add any line! Then replace unwanted characters in /tmp/new.txt, either manually with an editor or with sed -i -e (or perl -p -i -e if you prefer that) or tr or tr -d. it will give you "foo*bar" or "foo | bar". Ls -Q will add double quotes around each name, i.e. ![]() The second captured group contains the portion after the last. To move files, use the mv command (man mv), which is similar to the cp command, except that with mv the To copy and rename that file from sneakers. Change the characters in the names of all files from current directory to lowercase: rename 'y/A-Z/a-z/'. Example of removing last 4 characters before file extenstion: -> file.pdf. They have been a big help to me.In general, mmv is great at mass-renaming tasks.īut in this particular case, I'd go a completely different route: Generate a shell script with a couple of shell commands, have a close look at it if it's really what I want, and then execute it. Remove last three characters from all filenames in current directory: rename 's/.//'. This program can rename large amounts of files and folders in a few clicks. ![]() There is also a great Name Mangler Google Group where you can get your questions answered and some very advanced features and methods get discussed. Ant Renamer is a free program that renames lots of files and folders by using specified settings. rename -n 'y/.//' \ rename (foobar.baz, foobarbaz) rename (foobarbaz, foobarbaz) Note that rename will not. You can add the -n or -nono option to trial-run the replacements ex.: -n, -nono No action: print names of files to be renamed, but don't rename. All of that plus being able to use Regex to build very complicated renames. Yes the (Perl-based) rename command is a good candidate for this. Once of the many things that makes using a tool like Name Mangler valuable is that you can undo your changes, view a history of your changes, and create a "droplet" that make running the name change on other files really convenient. For example, if your batch file was named cleancsv.bat you would use the command. where 1 will be the name of the input csv file containing blank lines and 2 will be a new csv file created without blank lines. Under "Replace with" enter the character you want to replace "Drag all of the folder you want to rename into the panel where it says "Drag Files and Folders Here" This script enters the folder (specified by FOLDERPATH) and trims the first and last X characters from the filename of each file (leaving its extension as is).Once you have Name Mangler installed, launch it.This will change the first file to a field so you can type the new file name. Select Home > Rename from the Organize group in the ribbon. Or you can select Ctrl+A to select all files as well. ![]() Here is Name Mangler on MacUpdate which includes links to many similar programs. Select all files in the folder by selecting the first file, holding the Shift key, and then selecting the last file. There are free options out there, but Name Mangler offers a ton of features that make it well worth the $19.00 to me. ![]() I use Name Mangler 3 for file and folder renaming.
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