File name is a name used to identify a file uniquely on given file system.

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3
votes
1answer
29 views

Using File Date/Time as Metadata: Reliable?

Background: I have groups of files in their own directory which I merge into one file in order of their filename. I call them t1.txt, t2.txt, t3.txt... I merge them in order of the integer. ...
36
votes
1answer
1k views

Completing avfs fake directories in zsh

How can I tweak zsh's completion system to complete “fake” files in some circumstances? More precisely, the AVFS filesystem exposes archives as directories by creating a “fake directory” next to ...
3
votes
2answers
743 views

Given a mime-type get the corresponding file extension

I want to download a file using curl to a temporary directory with the appropriate extension. Currently I do something like this: tmp="$(mktemp -t 'curl')" curl -o "$tmp" ...
0
votes
4answers
72 views

How can I test for the .RAW file extension?

I'm trying to set up an sh script that will run every 30 minutes. During each run, I want to check a directory for the presence of at least one .RAW file. Upon finding that file extension, I will have ...
4
votes
4answers
145 views

Null and escape characters

I know that a filename in Linux has no restriction whatsoever excpet for two characters '/' and '\0'. I know that '/' is prohibited because it is a directory separator but is there any other reason ? ...
0
votes
2answers
25 views

Putting a single quote in a filename [duplicate]

We can a make a directory named $"dollars"&<>\dogs if we surround it with single quotes like the following mkdir '$"dollars"&<>\dogs' However, what if I want to include a ...
0
votes
2answers
38 views

Why do compiled programs create a copy with ~?

Why is it that when I run programs for the first time it creates a copy of that file with a ~ at the end? For example, a file like HelloWorld.lua when run would create 2 files: HelloWorld.lua and ...
2
votes
6answers
5k views

Find files by the length of filename

I want to find all files by length of the file names. For example if I want to find files of length 1, such as a.go, b.go I put: grep '.\{1\}' file But this does not work. What command can I use ...
2
votes
2answers
53 views

What other special characters are there?

For filenames, I know that you have to use either a double quotes or a backslash to include a space in your file name. Like mkdir "I like coffee" is the same as mkdir I\ like\ coffee Now when you ...
2
votes
2answers
56 views

Why are certain naming conventions so inconsistent in Linux? [closed]

It seems like the general pool of logging, changelog, readme, and config files in Linux is very inconsistently named. It always makes me wonder, why didn't *nix devs decide on a common file name ...
35
votes
7answers
3k views

Is `~/Documents` a relative or an absolute path?

This is merely just a vocabulary question, but which keeps turning around in my head. It comes from a practice exam from a LPIC preparation book. The correct answer according to the book is that ...
16
votes
2answers
512 views

Security implications of running perl -ne '…' *

Apparently, running: perl -n -e 'some perl code' * Or find . ... -exec perl -n -e '...' {} + (same with -p instead of -n) Or perl -e 'some code using <>' * often found in one-liners ...
5
votes
1answer
684 views

File name encoding wrong in KDE, but correct in GTK/tty1/

I'm on a new Linux (installed yesterday). When I access files from old partitions their file names have incorrect encoding (ä instead of ä, same for other umlauts) inside KDE apps like dolphin and ...
18
votes
4answers
5k views

Understanding Unix file name encoding

I have a hard time understanding how the file name encoding works. On unix.SE I find contradicting explanations. File names are stored as characters To quote another answer: Several questions about ...
5
votes
7answers
4k views

cat files with directory

Is there a command to show the directory/file name when cat files? For example: assume two files f1.txt and f2.txt are under ./tmp ./tmp/f1.txt ./tmp/f2.txt Then when I do cat ./tmp/*.txt, only ...
-2
votes
1answer
60 views

how to delete swarm of ._ files using commandline

I have these files in MAC which have weird ._ character before filenames/folders. Which I want to delete in one shot. Is there a way to do it in commandline? eg. ._js ._css ._image if I go into ...
0
votes
1answer
57 views

usr/bin appears empty

I'm trying to make a program (Thunderbird) run at startup, but when I go to usr/bin it seems empty. However, if I run $ which Thunderbird in terminal, it tells me /usr/bin/thunderbird. The usr/bin ...
5
votes
4answers
1k views

For each subfolder, sort files by name and rename them to sequential padded numbers (regardless of extension)

I have the following directory structure: . ├── event-a │   ├── album-a │   │   ├── a.jpg │   │   └── x.png │   └── album-b │   ├── a.jpg │   ├── x.png │   └── y.gif └── event-b ├── ...
2
votes
2answers
42 views

List all files with the same name and number of that files

I wonder if there is an easy command to list all files with the same names and number of that files? I would like to do it recursively and I do not mean concrete filename. I can imagine the output ...
0
votes
3answers
67 views

What is the difference between a directory name that ends with a slash and one that does not? [duplicate]

Is there any difference between a directory name such as mydirectory and mydirectory/ I noticed this happens when I execute ls in some directories - some of the directory names have a slash and ...
1
vote
2answers
81 views

how to store output of a command into array with each value in a double quote

I want to store each output in double quoted array values. values can have space also. FOUNDFILES=($(locate --database ~/.locate.db -i -b "$INPUT")) if input to the locate command is very very ...
-2
votes
2answers
44 views

How to find only the name of a link? [closed]

Specifically, I need to write a C program where I put inside the pathname of a symbolic link and on output I print only the name of that symbolic link(not the name of the file pointed by the link). ...
1
vote
2answers
38 views

Script to Compare the “file size” with “last name of file” and if unmatched delete the file

In my environment, we'll be receiving files from clients into our Sftp. Sftp process the files, and move it to another tool, by appending the file size at the end of the file name. For example, ...
5
votes
1answer
82 views

How do I safely get multiple filenames from Zenity?

Zenity can be used to create a file selection dialog and select multiple paths. The separator for paths is specified using the --separator option. Therefore we can't use NUL, the only safe character ...
2
votes
3answers
293 views

copy all files that have no extension

We can copy some file by extensions like this: cp *.txt ../new/ but how can I copy all files that have no extension?
2
votes
2answers
61 views

print empty line in sed output when passing multiple filenames

I'm doing some placeholder replacements in various files that I'm feeding to ldapadd, to add new entries to an LDAP directory: sed \ -e 's/%%FOO%%/whatever/g' \ -e 's/%%BAR%%/other thing/g \ ...
26
votes
3answers
15k views

What charset encoding is used for filenames and paths on Linux?

Does it depend on what file system I use? For example, ext2/ext3/ext4 but also what happens when I insert one of those "joliet" CD-ROMs with ISO 9660? I've heard that POSIX contains some sort of spec ...
3
votes
1answer
61 views

Deleting ghost files with non-ASCII characters

I have some weird files and folders in my trash on Mac OS X. After I "empty" the trash, the files still remain. I attempted to manually delete the files: $ cd ...
0
votes
1answer
47 views

Binary not accesible from Bash despite being in path

I am learning how to program in Racket. It's binary is in "/Applications/Racket v6.2/bin/racket". Let me show what happens: MacBook:~ enedil$ echo $PATH /Applications/Racket\ ...
6
votes
5answers
106 views

How to find the next available file suffix (file_a.txt file_b.txt etc)

My system creates a new text file every time a certain event occurs. The files should be named file_a.txt file_b.txt file_c.txt etc. In a Bash shell script,how to find out what filename should be ...
1
vote
1answer
32 views

Redirect a file descriptor before execution

I know that I can change the file a program writes to by interrupting the process in gdb, closing using the file descriptor and then re-opening with the file name I want. Is there a way to do the same ...
4
votes
2answers
115 views

Difference between find ~ and find *

What is the difference between find * and find ~ for searching a file? In terminal when my present working directory on root,then in terminal root@devils-ey3:~# find * -print -quit ~ On same ...
1
vote
2answers
74 views

Rename file containing spaces and punctuation marks

Someone in our Global Linux 3.0.31-0.9 server has put a file with several spaces, parenthesis, question mark and a colon in its name. And I am at my wit's end to rename or remove it! Sample of the ...
13
votes
4answers
10k views

What is the maximum allowed filename (and folder) size with eCryptfs?

I am a new eCryptfs user and I have a very basic question that I wasn't able to find anywhere. I am interested in using eCryptfs via my Synology NAS that uses Linux. While trying to encrypt my folder ...
1
vote
4answers
98 views

Remove all brackets in filename

I've been trying to remove all brackets in my filename(s). Can anyone help me create a bash script to do that? This bash script below work flawlessly for non-bracket filename(s), but if there are any ...
20
votes
9answers
2k views

Find files whose name is 4 characters long [duplicate]

I would like to find files whose name has only 4 characters. Example, there are three files under /tmp: $ ls /tmp txt file linux Output should only show file because it only has 4 characters.
3
votes
4answers
152 views

Touching issue: Creating a filename from 2 variables

I am trying to create a filename from 2 variables. This is the error msg: touch: cannot touch `/root/tinstalls/2--06/06/15': No such file or directory 2--06/06/15 19:54 This is the code: ...
6
votes
2answers
184 views

Filtering redundant paths from a list of paths

I have a list of relative paths such as this: dir1 dir2 dir2/dir3 dir2/file1 dir3/file2 dir3/dir4 dir3/dir4/file3 In the example above, the specifier dir2/file1 (for example) is redundant, because ...
20
votes
4answers
2k views

How can I delete a file named “>”?

I was running a Python script that malfunctioned and used sudo to create a file named >. How can I get rid of this file? Of course, when I try sudo rm >, I get the error bash: syntax error ...
0
votes
2answers
61 views

Why do some processes end with the letter “d”? [duplicate]

Some Linux binaries end with a "d", for example sshd, httpd, ppd, etc. Why is this so?
14
votes
5answers
905 views

Make pwd result in terms of “~”?

pwd gives me /data/users/me/some/random/folder Is there an easy way of obtaining ~/some/random/folder from pwd?
1
vote
3answers
110 views

Script to move one filetype and create a subfolder, if it exists?

I'm trying to find a script that would basically look recusively at a directory, and if the script finds file that are .flac files, it will create a subfolder called FLAC in that same folder, and move ...
3
votes
1answer
92 views

How do I rename many files from whatever to sequential filenames? [duplicate]

I have a directory with 8,000 images. These have a variety of filenames and are of type jpeg or png. I want to rename them to: pic00001.png pic00002.jpg I don't mind if I end up doing the pngs in ...
4
votes
2answers
844 views

Renaming files in lexicographical order with a numerical pattern that increases sequentially with fixed padding

I have files such as a bb ccc abc emrls I would like to rename them so that, after sorting them (for example, lexicographically), each file gets the following name: 00001 00002 00003 etc where ...
3
votes
2answers
348 views

How to find all paths not compatible with Windows?

On most Linux filesystems, NUL (\0) is the only invalid character in paths (and / is reserved as the path separator). Windows has a complicated set of rules for valid paths. Rather than fixing paths ...
20
votes
3answers
2k views

Tilde (~) inside working unix directory

So, Im working in a UNIX environment and I noticed that inside my working directory, which is miles miles away from my UNIX home, there is a ~. Now, once in the past, I did rm -rf ~ from my working ...
0
votes
0answers
16 views

no fonts showing up in filesnames in thunar (and pcmanfm). debian 7.8

I had recently installed a debian 7.8 system. I connect to it both locally from the attached monitor , but also remotely from an nx session. "Fluxbox" is the desktop environment and "thunar" the file ...
-2
votes
1answer
61 views

Move folder from root of Hard Disk to Current Directory [closed]

I'm trying to figure out how to move a folder that sits in the root of my disk (what do you call that, home?) to a subdirectory. I am not cd'd to the root (again not sure of the terminology). When I ...
25
votes
8answers
21k views

List files sorted numerically

I have a bunch of files from log1 to log164. I'm trying to LIST the directory (sorted) in a UNIX terminal but the sort functions are only providing the format like this: home:logs Home$ ls -1 | sort ...
1
vote
3answers
87 views

Find a file with the extension .csv in a directory matching a pattern

I have a folder in which I have many subfolders. The Root folder name is allCSV and sub foldername is will be like a_date(s), b_date(s), c_date(s) ... I want a file which is in a_date(s) and ends ...