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2

1

I want to create a symlink

~/.pm2/logs -> /opt/myapp/log

When I run

ln -sFf /opt/myapp/log ~/.pm2/logs

I get a symlink

~/.pm2/logs/log -> /opt/myapp/log

which is not what I want.

I'd prefer a POSIX-compatible solution if possible.

symlink ln

share|improve this question

edited Apr 12 at 17:12

Kusalananda♦

142k18266442

asked Apr 12 at 16:56

ptkvskptkvsk

1133

New contributor

ptkvsk is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

2

1

I want to create a symlink

~/.pm2/logs -> /opt/myapp/log

When I run

ln -sFf /opt/myapp/log ~/.pm2/logs

I get a symlink

~/.pm2/logs/log -> /opt/myapp/log

which is not what I want.

I'd prefer a POSIX-compatible solution if possible.

symlink ln

share|improve this question

edited Apr 12 at 17:12

Kusalananda♦

142k18266442

asked Apr 12 at 16:56

ptkvskptkvsk

1133

New contributor

ptkvsk is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I want to create a symlink

~/.pm2/logs -> /opt/myapp/log

When I run

ln -sFf /opt/myapp/log ~/.pm2/logs

I get a symlink

~/.pm2/logs/log -> /opt/myapp/log

which is not what I want.

I'd prefer a POSIX-compatible solution if possible.

symlink ln

share|improve this question

edited Apr 12 at 17:12

Kusalananda♦

142k18266442

asked Apr 12 at 16:56

ptkvskptkvsk

1133

New contributor

ptkvsk is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

~/.pm2/logs -> /opt/myapp/log

ln -sFf /opt/myapp/log ~/.pm2/logs

~/.pm2/logs/log -> /opt/myapp/log

share|improve this question

edited Apr 12 at 17:12

Kusalananda♦

142k18266442

asked Apr 12 at 16:56

ptkvskptkvsk

1133

New contributor

ptkvsk is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited Apr 12 at 17:12

Kusalananda♦

142k18266442

asked Apr 12 at 16:56

ptkvskptkvsk

1133

New contributor

ptkvsk is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited Apr 12 at 17:12

Kusalananda♦

142k18266442

edited Apr 12 at 17:12

Kusalananda♦

142k18266442

asked Apr 12 at 16:56

ptkvskptkvsk

1133

New contributor

ptkvsk is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked Apr 12 at 16:56

ptkvskptkvsk

1133

3 Answers
3

active

oldest

votes

5

You already have a directory at ~/.pm2/logs. Since that directory exists, the symbolic link is put inside it.

Would you want that ~/.pm2/logs is a symbolic link rather than a directory, then you will have to remove or rename that existing directory first.

share|improve this answer

answered Apr 12 at 17:00

Kusalananda♦Kusalananda

142k18266442

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I thought "-Ff" flags are specifically made to replace target directory so I don't have to remove it manually. Am I wrong?
  
  – ptkvsk
  Apr 12 at 17:02
  
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @ptkvsk The -F flag does something completely different and is not a POSIX option. The -f flag would not unlink a directory. The standard specifies that if the target (the last operand) is a directory, then the link will be place inside it. The -f option does not change this behaviour.
  
  – Kusalananda♦
  Apr 12 at 17:09
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Those flags likely only work with hard links, as well. With symbolic links it doesn't matter what the Target is, a file or a directory. to hard links it does matter.
  
  – 0xSheepdog
  Apr 12 at 17:23
  
  

  
  
  
  

add a comment | 

3

As other answers say, there is already a directory there.

To avoid this and instead get an error-message, use the -T option, unfortunately I don't think this is Posix (it is GNU).

From the Gnu ln manual (same for cp and mv).

 ln [OPTION]... [-T] TARGET LINK_NAME (1st form)
 ln [OPTION]... TARGET (2nd form)
 ln [OPTION]... TARGET... DIRECTORY (3rd form)
 ln [OPTION]... -t DIRECTORY TARGET... (4th form)

Note form 1 without the -T is ambiguous with form 3 (both have two arguments).

In Posix you can force this non-ambiguity by putting a / at the end of a directory name, in form 3, but I don't think there is any thing you can do the other way around. This is why Gnu added the -T option.

share|improve this answer

answered Apr 12 at 19:25

ctrl-alt-delorctrl-alt-delor

12.5k52663

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you! I'm on Mac so can't use -T, but still good to know.
  
  – ptkvsk
  Apr 15 at 12:55
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes you can, you just need Gnu ln from Gnu binutils.
  
  – ctrl-alt-delor
  Apr 15 at 20:23
  

  
  
  
  

add a comment | 

1

Remove the ~/.pm2/logs directory first, because your target is an existing directory, the link is created inside it.

share|improve this answer

answered Apr 12 at 17:00

XrXcaXrXca

913

add a comment | 

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5

You already have a directory at ~/.pm2/logs. Since that directory exists, the symbolic link is put inside it.

Would you want that ~/.pm2/logs is a symbolic link rather than a directory, then you will have to remove or rename that existing directory first.

share|improve this answer

answered Apr 12 at 17:00

Kusalananda♦Kusalananda

142k18266442

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I thought "-Ff" flags are specifically made to replace target directory so I don't have to remove it manually. Am I wrong?
  
  – ptkvsk
  Apr 12 at 17:02
  
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @ptkvsk The -F flag does something completely different and is not a POSIX option. The -f flag would not unlink a directory. The standard specifies that if the target (the last operand) is a directory, then the link will be place inside it. The -f option does not change this behaviour.
  
  – Kusalananda♦
  Apr 12 at 17:09
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Those flags likely only work with hard links, as well. With symbolic links it doesn't matter what the Target is, a file or a directory. to hard links it does matter.
  
  – 0xSheepdog
  Apr 12 at 17:23
  
  

  
  
  
  

add a comment | 

5

You already have a directory at ~/.pm2/logs. Since that directory exists, the symbolic link is put inside it.

Would you want that ~/.pm2/logs is a symbolic link rather than a directory, then you will have to remove or rename that existing directory first.

share|improve this answer

answered Apr 12 at 17:00

Kusalananda♦Kusalananda

142k18266442

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I thought "-Ff" flags are specifically made to replace target directory so I don't have to remove it manually. Am I wrong?
  
  – ptkvsk
  Apr 12 at 17:02
  
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @ptkvsk The -F flag does something completely different and is not a POSIX option. The -f flag would not unlink a directory. The standard specifies that if the target (the last operand) is a directory, then the link will be place inside it. The -f option does not change this behaviour.
  
  – Kusalananda♦
  Apr 12 at 17:09
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Those flags likely only work with hard links, as well. With symbolic links it doesn't matter what the Target is, a file or a directory. to hard links it does matter.
  
  – 0xSheepdog
  Apr 12 at 17:23
  
  

  
  
  
  

add a comment | 

You already have a directory at ~/.pm2/logs. Since that directory exists, the symbolic link is put inside it.

Would you want that ~/.pm2/logs is a symbolic link rather than a directory, then you will have to remove or rename that existing directory first.

share|improve this answer

answered Apr 12 at 17:00

Kusalananda♦Kusalananda

142k18266442

share|improve this answer

answered Apr 12 at 17:00

Kusalananda♦Kusalananda

142k18266442

answered Apr 12 at 17:00

Kusalananda♦Kusalananda

142k18266442

answered Apr 12 at 17:00

Kusalananda♦Kusalananda

142k18266442

3

As other answers say, there is already a directory there.

To avoid this and instead get an error-message, use the -T option, unfortunately I don't think this is Posix (it is GNU).

From the Gnu ln manual (same for cp and mv).

 ln [OPTION]... [-T] TARGET LINK_NAME (1st form)
 ln [OPTION]... TARGET (2nd form)
 ln [OPTION]... TARGET... DIRECTORY (3rd form)
 ln [OPTION]... -t DIRECTORY TARGET... (4th form)

Note form 1 without the -T is ambiguous with form 3 (both have two arguments).

In Posix you can force this non-ambiguity by putting a / at the end of a directory name, in form 3, but I don't think there is any thing you can do the other way around. This is why Gnu added the -T option.

share|improve this answer

answered Apr 12 at 19:25

ctrl-alt-delorctrl-alt-delor

12.5k52663

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you! I'm on Mac so can't use -T, but still good to know.
  
  – ptkvsk
  Apr 15 at 12:55
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes you can, you just need Gnu ln from Gnu binutils.
  
  – ctrl-alt-delor
  Apr 15 at 20:23
  

  
  
  
  

add a comment | 

3

As other answers say, there is already a directory there.

To avoid this and instead get an error-message, use the -T option, unfortunately I don't think this is Posix (it is GNU).

From the Gnu ln manual (same for cp and mv).

 ln [OPTION]... [-T] TARGET LINK_NAME (1st form)
 ln [OPTION]... TARGET (2nd form)
 ln [OPTION]... TARGET... DIRECTORY (3rd form)
 ln [OPTION]... -t DIRECTORY TARGET... (4th form)

Note form 1 without the -T is ambiguous with form 3 (both have two arguments).

In Posix you can force this non-ambiguity by putting a / at the end of a directory name, in form 3, but I don't think there is any thing you can do the other way around. This is why Gnu added the -T option.

share|improve this answer

answered Apr 12 at 19:25

ctrl-alt-delorctrl-alt-delor

12.5k52663

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you! I'm on Mac so can't use -T, but still good to know.
  
  – ptkvsk
  Apr 15 at 12:55
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes you can, you just need Gnu ln from Gnu binutils.
  
  – ctrl-alt-delor
  Apr 15 at 20:23
  

  
  
  
  

add a comment | 

As other answers say, there is already a directory there.

To avoid this and instead get an error-message, use the -T option, unfortunately I don't think this is Posix (it is GNU).

From the Gnu ln manual (same for cp and mv).

 ln [OPTION]... [-T] TARGET LINK_NAME (1st form)
 ln [OPTION]... TARGET (2nd form)
 ln [OPTION]... TARGET... DIRECTORY (3rd form)
 ln [OPTION]... -t DIRECTORY TARGET... (4th form)

Note form 1 without the -T is ambiguous with form 3 (both have two arguments).

In Posix you can force this non-ambiguity by putting a / at the end of a directory name, in form 3, but I don't think there is any thing you can do the other way around. This is why Gnu added the -T option.

share|improve this answer

answered Apr 12 at 19:25

ctrl-alt-delorctrl-alt-delor

12.5k52663

 ln [OPTION]... [-T] TARGET LINK_NAME (1st form)
 ln [OPTION]... TARGET (2nd form)
 ln [OPTION]... TARGET... DIRECTORY (3rd form)
 ln [OPTION]... -t DIRECTORY TARGET... (4th form)

share|improve this answer

answered Apr 12 at 19:25

ctrl-alt-delorctrl-alt-delor

12.5k52663

answered Apr 12 at 19:25

ctrl-alt-delorctrl-alt-delor

12.5k52663

answered Apr 12 at 19:25

ctrl-alt-delorctrl-alt-delor

12.5k52663

1

Remove the ~/.pm2/logs directory first, because your target is an existing directory, the link is created inside it.

share|improve this answer

answered Apr 12 at 17:00

XrXcaXrXca

913

add a comment | 

1

Remove the ~/.pm2/logs directory first, because your target is an existing directory, the link is created inside it.

share|improve this answer

answered Apr 12 at 17:00

XrXcaXrXca

913

add a comment | 

Remove the ~/.pm2/logs directory first, because your target is an existing directory, the link is created inside it.

share|improve this answer

answered Apr 12 at 17:00

XrXcaXrXca

913

share|improve this answer

answered Apr 12 at 17:00

XrXcaXrXca

913

answered Apr 12 at 17:00

XrXcaXrXca

913

answered Apr 12 at 17:00

XrXcaXrXca

913