If you ever need to put a file online or on an intranet, etc., spaces are pretty ugly, hard to type, and hard to read: flug's example of how to do it is precisely how I do it myself. So it behooves us to use something other than a space in file and folder names. If the dates can vary in length, then the underscore could serve a purpose. The question is whether he should use an underscore rather then an empty string between a date and someone's initials. Historically, I've used underscore, but I recently discovered that the correct character to substitute for space is the dash. I use both, as needed. In general there is no usual need for underscores in filenames unless you are at the Unix level of OS X. Unix does not recognize a space in a filename as well as other illegal characters such as colons, ampersands, and at least a dozen others. Any comments would be highly appreciated. Web environments translate spaces and will render them as “%20”. You do this so as not to confuse a year with a month. I haven't run into specific problems with spaces personally, but this is a case of good digital object hygiene. Just a note -- We don't use initials as they quickly conflict (atleast in our 150 person company). > & $ # ! I use hyphens for related information, and underscores as I would a space. Not sure where everyone is comming up with comments about spaces. The Gala approaches! Location/spatial coordinates 3. Spaces cause problems for people who want to use the command line in advanced ways such as in for loops like this: for file in *.mp3 ; do mpg321 $file -w - | oggenc -o ${file%%.mp3}.ogg - ; done Don't use spaces. Choose a format for naming your files and use it consistently. That's some cohones, man, claiming your answer to be the best. Reference company name(s) within file. For instance, if you have a file called "A picture taken in Winston-Salem, NC.jpg" and you want to convert the spaces to underscores, then you can preserve the hyphen in the name and retain its meaning. The topic of spaces vs. dashes vs. underscores continues on with respect to how to use them (or not) when naming your files. Researcher name/initials 4. Why? You might consider including some of the following information in your file names, but you can include any information that will allow you to distinguish your files from one another. The Tennessee State Archives documented an error because files with extremely long names could not be ingested when they tested Safety Deposit Box in 2011 (page 2. Use readable words in your URL structure, not a long string of numbers. For instance, if you have a file called "A picture taken in Winston-Salem, NC.jpg" and you want to convert the spaces to underscores, then you can preserve the hyphen in the name and retain its meaning. Say we wanted to replace the space in those file names with an underscore so that the file names contain no spaces. Skitch handled this by adding a numeric suffix to the new image's file name: a space + "2". Type in the name you want to use and press Enter. In general, separate words with hyphens, not underscores. A mystery solved. It is much easier to visually see file names when using underscores. 1. Historically, I've used underscore, but I recently discovered that the correct character to substitute for space is the dash. Whereas if there's a hyphen (or spaces) between the words in a name (snare-soft-01), I won't get the whole name, just a single word of it. So let’s get right to it, here’s what you need to know. Using Outlook 2016 on Windows 10 every time I type an underscore when composing an email, or paste texts with underscores, Outlook converts it to a SPACE character. Most operating systems are case sensitive; always use lowercase . Spaces cause problems for people who want to use the command line in advanced ways such as in for loops like this: for file in *.mp3 ; do mpg321 $file -w - | oggenc -o ${file%%.mp3}.ogg - ; done Some file / operating systems don't support spaces in filenames, but do support underscores. Is it Ok. Exceptions for consistency. Filenames on Canon EOS cameras, like the T2i, 60D, 7D, etc all use the pattern IMG_xxxx.JPG or IMG_xxxx.CR2. Some file / operating systems don't support spaces in filenames, but do support underscores. The underscore is irrelevant; it's making sure your filenames have NO SPACES that will make them most broadly/easily usable (especially important if they, or anything they'll be converted into in the future, might be used on the web). There are really only two non-alphanumeric characters that you should use in naming your files: dashes and underscores. One day I noticed all the filenames on my Canon T2i started with an underscore replacing the ‘I’, so they started with ‘_MG_xxxx’. The reason is that, for example, a folder named u_2 (after the band, of course) can also be parsed as an attempt to " underlay " a resource named " 2 " over the base image. It is much easier to visually see file names when using underscores. File names should allow you to identify a precise experiment from the name. Using underscores within folder names can sometimes cause ambiguity and lead to broken URLs on your website. If the dates are always a fixed length (is January "01" or "1"?) Should we continue to recommend that digital object creators avoid spaces in file names, or is it an obsolete concern? Long filename support at the command line is crap. I've had an ingest fail because of a folder with 50,000 subdirectories. For example, In our diverse environment of computing systems, we have a lot of little quirks of what is and is not allowed between systems. I'd rather have 3 character filenames than underscores. Special characters are often reserved for functions in scripting and programming languages, and using these characters in file names … Underscores in URLs aren’t recognized by Google, a URL containing "my_page" will look like “mypage”. Choose a URL that describes the page and gives people a reason t… Here’s the most important thing you will ever hear in regards to your site’s URL structure: it should be as simple as possible.Of course, the word simple means something different to everyone. And we do avoid spaces when loading files to our research repository and other systems. If you use an underscore character (_) at the beginning of a file name, the file will be a hidden file. The sort -rz reverses the file order, so that the deepest files in a folder are the first to move and the folder itself will be the last one. A URL containing “my-page” will be interpreted as “my page”. The reason is that, for example, a folder named u_2 (after the band, of course) can also be parsed as an attempt to "underlay" a resource named "2" over the base image.. To be on the safe side, you should make sure you stick to at least one of the following principles: The file naming conventions that I created for my organization say the following: "File names should contain no spaces or special characters such as * . However, if you still have old files on file, chances are there are underscores within the name. The drive I was transferring to allowed only ~32,000 subdirectories because it was formatted with ext3. For the most part, we've built systems to handle these kinds of problems and exceptions, but sometimes you bump into a hard limit or a piece of bad code. If I type a file name with an underscore, it then shows up incorrectly in the email. Some file / operating systems don't support spaces in filenames, but do support underscores. The short answer is, that's what Google expects: If you use an underscore '_' character, then Google will combine the two words on either side into one word. For example, if I have the following set up of file folders, starting from smallest to largest (arrow denotes “goes under”): Checks ->Chase->Checking Accounts->Accounting->CompanyA->List #X … You have to use the shortened version, which you won't know without using DIR command with whatever forgotten switch exposes them. Say we wanted to replace the space in those file names with an underscore so that the file names contain no spaces. The filenames will be printed with a nullbyte (-print0) as delimiter to also cope with special filenames. It's a carryover from DOS which did not allow spaces in file names. There really is no benefit (sorting-wise, anyway) to using the underscore. Custom new folder name pattern in windows explorer. We’d like to clarify the things that matter when making a choice – so you can avoid making a bad decision. Why? Then the read builtin reads the filenames delimited by the nullbyte and finally mv replaces the spaces with an underscore. A best practice is to replace spaces in file names with an underline (_) or hyphen (-). If you attempt to sync files or folders names containing these characters, Box Sync prompts you to rename the item using the underscore character. Except his files have spaces and underscores. Do you have experience with working with spaces in file names that provides insight into whether they are problematic? Four-digit year. Currently my file/folder naming rule is very simple: only use lower case letters from the English alphabet, and numbers; no spaces, use underscores (_) as separator; anything else is forbidden ; Although this is simple and works across systems, it is too restrictive. We could use the following commandlet: dir | rename-item -NewName {$_.name -replace " ","_"} The dir part of that commandlet lists all the files in the folder and pipes them (that’s the | symbol) to the rename-item commandlet. Or use dashes. So … I added an autocorrect rull to say replace underscores with underscores, but that did not work. Use the underscore symbol (_) or dash (-) in between words to represent a space, or use CamelCase and omit spaces from your file names altogether. The mv command in the loop is a bit changed too. Other than mean they tend to sort to the top of a list, of course. I need to do this using the command line. So it behooves us to use something other than a space in file and folder names. 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