How to retrieve absolute path given relative

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Is there a command to retrieve the absolute path given the relative path?

For example I want $line to contain the absolute path of each file in dir ./etc/

find ./ -type f | while read line; do
   echo $line
done

use:

find "$(pwd)"/ -type f

to get all files or

echo "$(pwd)/$line"

to display full path (if relative path matters to)

Converting relative path to absolute path without symbolic link, Portably, the PWD variable is set by the shell to one absolute location of the current as well, change to the directory containing the file and obtain $PWD there: If only the first argument is provided, then the script resolves the path relative to� Again, if foo is a symlink, realpath -s foo will get an absolute path without resolving symlinks, including the one given as argument. Without the -s option, realpath does pretty much the same as readlink , except for simply reading the value of a link, as well as several other things.

Try realpath.

~ $ sudo apt-get install realpath  # may already be installed
~ $ realpath .bashrc
/home/username/.bashrc

To avoid expanding symlinks, use realpath -s.

The answer comes from "bash/fish command to print absolute path to a file".

Relative and absolute paths, in the file system and on the web , Relative path is defined as the path related to the present working directly(pwd). It starts at your current directory and never starts with a / . To be more specific let's� relative-path. returns the absolute path for a given relative path. it's just a tiny helper function:

If you have the coreutils package installed you can generally use readlink -f relative_file_name in order to retrieve the absolute one (with all symlinks resolved)

Absolute and Relative Pathnames in UNIX, A path, the general form of the name of a file or directory, specifies a unique location in a file Resources can be represented by either absolute or relative paths. from some given working directory, avoiding the need to provide the full absolute path. To get the eight-character name Windows assigns to any directory for� Questions: Is there a way in a Windows batch script to return an absolute path from a value containing a filename and/or relative path? Given: "..\" "..\somefile.txt" I need the absolute path relative to the batch file. Example: “somefile.txt” is located in “C:\Foo\” “test.bat” is located in “C:\Foo\Bar”.

#! /bin/sh
echo "$(cd "$(dirname "$1")"; pwd)/$(basename "$1")"

UPD Some explanations

  1. This script get relative path as argument "$1"
  2. Then we get dirname part of that path (you can pass either dir or file to this script): dirname "$1"
  3. Then we cd "$(dirname "$1") into this relative dir and get absolute path for it by running pwd shell command
  4. After that we append basename to absolute path: $(basename "$1")
  5. As final step we echo it

Path (computing), An absolute file path describes how to access a given file or directory, starting from the root of the file system. A file path is Relative file paths are notated by a lack of a leading forward slash. It can be retrieved using the function os.getcwd. If the path is built starting from the current location, it is called relative (which makes sense, as it is relative to our present position) It's exactly the same as with the real life directions. Given the absolute address, a postal one, like "7119 W Sunset Blvd West Hollywood, CA 90046" you can find the location from anywhere.

For what it's worth, I voted for the answer that was picked, but wanted to share a solution. The downside is, it's Linux only - I spent about 5 minutes trying to find the OSX equivalent before coming to Stack overflow. I'm sure it's out there though.

On Linux you can use readlink -e in tandem with dirname.

$(dirname $(readlink -e ../../../../etc/passwd))

yields

/etc/

And then you use dirname's sister, basename to just get the filename

$(basename ../../../../../passwd)

yields

passwd

Put it all together..

F=../../../../../etc/passwd
echo "$(dirname $(readlink -e $F))/$(basename $F)"

yields

/etc/passwd

You're safe if you're targeting a directory, basename will return nothing and you'll just end up with double slashes in the final output.

How do I interact with files in Python?, PHP 5, PHP 7). realpath — Returns canonicalized absolute pathname The result will retrieve absolute path for non-existing relative path. Even if a path� If path is a relative path, this overload returns a fully qualified path that can be based on the current drive and current directory. The current drive and current directory can change at any time as an application executes. As a result, the path returned by this overload cannot be determined in advance.

realpath - Manual, Returns an absolute path from a relative path and a fully qualified base path. path: String. The file or directory for which to obtain absolute path information. windows relative path current directory (10) Is there a way in a Windows batch script to return an absolute path from a value containing a filename and/or relative path? Given: "..\" "..\somefile.txt" I need the absolute path relative to the batch file. Example:

Path.GetFullPath Method (System.IO), In this article, learn about file path formats on Windows systems, such as Publications\TravelBrochure.pdf, A relative path to file in a directory There is a specific link for UNCs that is called, not surprisingly, UNC . GetFullPath(String, String) method to get an absolute path from a relative path and the� And still, I have the absolute path of the file containing the hrefs, and the href relative paths, so since it is a simple task for me to count back the number of ".\" parts based on the absolute path of the containing file, it seems there must be a way to do this programmatically as well.

File path formats on Windows systems, Converts a relative path to an absolute path given the retrieve URL and a relative path, e.g.. // $currentUrl = 'http://www.example.com/direcctory/asdf/page.html'. si vous avez le paquet coreutils installé, vous pouvez généralement utiliser readlink -f relative_file_name pour récupérer le paquet absolu (avec tous les liens symboliques résolus) 85 répondu Moritz Bunkus 2014-01-13 17:13:50

Comments
  • possible duplicate of Converting relative path into absolute path or this.
  • not stright duplicate, but similar
  • possible duplicate of bash/fish command to print absolute path to a file
  • A much better solution than any of the ones listed so far is here how-to-convert-relative-path-to-absolute-path-in-unix
  • what if i specify a relative path in the find??
  • then see links in comment to your question, best way probably is 'readlink -f $line'
  • Why use $(pwd) in place of $PWD? (yes, I know pwd is a builtin)
  • realpath does not seem to be available on the Mac (OS X 10.11 "El Capitan"). :-(
  • realpath does not seem to be available on CentOS 6 either
  • on osx, brew install coreutils will bring in realpath
  • On my Ubuntu 18.04, realpath is already present. I didn't have to install it separately.
  • Surprisingly, realpath is available on Git for Windows (for me, at least).
  • The behaviour for this is a little different from what the user asks, it will also follow and resolve recursive symlinks anywhere in the path. You might not want that in some cases.
  • @BradPeabody This does work in a Mac if you install coreutils from homebrew brew install coreutils. However the executable is prepended by a g: greadlink -f relative_file_name