Vrftjkry

In Windows 7, how can I check if a file is a symbolic link or not, if a folder is a junction or not, and how can I check where they are pointing at (in case they are symlink/junction). Both in Explorer and in Command line.

It's very important to have a way to do it from command line, in order to know how to duplicate symbolic links on another computer when you want to make an exact replica of a folder tree.

If I right click on a file and check "Properties", I can't find any indication that it's a symbolic link.

The dir command dir /a can do this:

2012-12-26  09:30 PM    <DIR>          .

2012-12-26  09:30 PM    <DIR>          ..

2012-12-26  09:30 PM                 0 a.txt

2012-12-26  09:30 PM    <SYMLINK>      link.txt [a.txt]

Alternatively, you can use Windows Explorer:

Right click column, More, Link Target

Copied from StackOverFlow, I just used this line, and it works

fsutil reparsepoint query "folder name" | find "Symbolic Link" >nul && echo symbolic link found || echo No symbolic link


Explanation:

From MSDN about FSUtil :
Performs tasks that are related to file allocation table (FAT) and NTFS file systems, such as managing reparse points, managing sparse files, or dismounting a volume. If it is used without parameters, fsutil displays a list of supported subcommands.

For our use, we just care that it outputs a line that has "Symbolic Link" in it, if it's symbolic, which we then find, and if find succeeds, we output one thing, if it doesn't, we output something else.

Notes:

• The quotes around the folder name are required if the path has spaces in it.


• It gives the same output whether the folder doesn't exist, or isn't a symlink, use with caution.

Here is a cygwin bash script to save symlinks,
add your favourite folders to first line

find c:/ C:/Users/$USERNAME/SendTo C:/Users/$USERNAME/Desktop 

      -maxdepth 2 -type l 

      -printf 'mklinkt/Dt"%p"t"%l"n' | 

  perl -pne '

      s!/cygdrive/(w)/!1:/!g;

      s,/a/,/%USERNAME%/,g;

      1;' | 

  sort -f | uniq  > restore-links.cmd

In Powershell:

dir | select Name, LinkType

Using PowerShell, on at least Windows OS, you can find symbolic-links in any given directory, such as the following:

Get-ChildItem 'C:nodejsbin' | Where-Object {$_.LinkType -eq 'SymbolicLink'}

A more concise alternative would be to use Get-ChildItem's alias ls:

ls 'C:nodejs' -Attributes ReparsePoint -Recurse

And you can get relevant information on a symbolic-link by doing any of the following:

Get the file item and output its Target property. Target being the "value" of the symbolic-link. In an addition, method or command signatures for creating symlinks when juxtaposing between operating systems, the arguments names of: 'target', 'path' and/or 'value' may hold different meanings than another method signature on a different OS.

E:AIT> Get-Item -Path 'C:nodejsbinionic.cmd' | Select-Object -ExpandProperty Target

E:AIToutdependency_symlink.cmd

Get the file item and output its LinkType property. An item with a LinkType value of SymbolicLink means that its, well, symbolic.

E:AIT> Get-Item -Path 'C:nodejsbinionic.cmd' | Select-Object -ExpandProperty LinkType

SymbolicLink

Get the file item and output its Mode property. An item with l in the Mode value indicates that it is a symbolic-link.

E:AIT> Get-Item -Path 'C:nodejsbinionic.cmd' | Select-Object -ExpandProperty Mode

-a---l

Get the file item and output its Attributes property. An item attributed with a ReparsePoint value maybe indicative to a symbolic-link.

E:AIT> Get-Item -Path 'C:nodejsbinionic.cmd' | Select-Object -ExpandProperty Attributes

Archive, ReparsePoint