Unix file names allowed characters




















Usually a method for a "more special" case is also suitable for a "less special" one, but unnecessarily complicated to carry out. We will start with the easiest and least special specialities and go on from there until reaching the peak of specialdom, so to say In most cases ways to remove the files in question will be given, but you can adapt the method quickly usually by simply exchanging "rm" for another command to manage the file in a different way.

While these are not printable and special to the shell they are easily protected from same: just quote the filename containing these: Code :. Code :. Last edited by bakunin; at AM.. Rename File Name with Special Characters. I am trying to rename files with spaces and other characters and not able to be successful. Shell Programming and Scripting. Parsing a file containing special characters.

Substitute special Characters into a file. Any idea? File containing special characters. Problem with Special characters in file. Hi, I am facing a below problem. Special meaning characters in dir names. Hello, I've had a daemon go a little bit mental and create directories using somments from a config file.

Newlines are a nuisance. Commas are pretty harmless. Colon would do no damage in Unix, but are problematic if the name is copied to Windows - or if the 'file' is a directory that might need to be added to PATH. There is some room to argue that any characters classified as 'isalpha ' in the current locale are OK - that allows people to use accented characters in the names.

It complicates the story, though. What happens with file names in different languages? Koutheir Attouchi. As you can see you might just be better off whitelisting as Gavin suggests ThinkBonobo ThinkBonobo This is a pretty good list.

I would also suggest excluding "! And keep in mind that you still might run across spaces, tabs, and newlines in filenames in Unix. Your code shouldn't blow up just for seeing that. If you have a colon in the file name, and you use that partition on Windows and delete the file, it will result in file system corruption. It can be resolved with Windows' "repair disk" tool though. Max length: Notes: A leading. Nolan Akash 8 8 silver badges 20 20 bronze badges. Encode FTW As Bombe points out in their answer, restricting user input is at least frustrating if not downright annoying.

Community Bot 1 1 1 silver badge. Fred Gandt Fred Gandt 3, 1 1 gold badge 31 31 silver badges 39 39 bronze badges.

Excellent advice! It's the same principle as storing names as name rather than trying to enforce first and last separately which makes me so mad. Or when I run into any restrictions on passwords other than minimum length. For what earthly reason!? Sometimes you have to let the user specify the actual file name for perfectly valid reasons.

Bombe Bombe That will wreak havoc sooner rather than later. Embedded quotes are tricky, too. Those are all non-issues when saving the filename. When using a graphical shell e. So what are your points? Will it cause any problem if I run any application whose total path length is much longer than Maximum Command Length. What is the maximum size of a command which can be given in telnet command prompt in unix?

Maximum Command Length for Korn shell. What is the maximum size of a command which can be given in telnet command prompt in unixfor Korn shell? RedHat Commands. OpenSolaris Commands. Linux Commands. SunOS Commands. FreeBSD Commands. Full Man Repository. Advanced Search. Contact Us. Forum Rules. Mark Forums Read. Thread Tools.

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