Manual Reference Pages  - system_islnk (3m_system)

NAME
system_islnk(3f) - [M_system:QUERY_FILE] checks if argument is a link (LICENSE:PD)

CONTENTS

Synopsis
Description
Options
Return Value
Errors
See Also
Examples

SYNOPSIS
elemental impure logical function system_islnk(pathname) 

     character(len=*),intent(in) :: pathname
     logical                     :: system_islnk

DESCRIPTION
The islnk(3f) function checks if path is a path to a link.

OPTIONS
path a character string representing a link pathname. Trailing spaces are ignored.

RETURN VALUE
system_islnk
  The system_islnk() function should always be successful and no return value is reserved to indicate an error.

ERRORS
No errors are defined.

SEE ALSO
system_isreg(3f), system_stat(3f), system_isdir(3f), system_perm(3f)

EXAMPLES

Sample program: 

   program demo_system_islnk
   use M_system, only : system_islnk
   implicit none
   integer                     :: i
   character(len=80),parameter :: names(*)=[ &
   ’/tmp            ’, &
   ’/tmp/NOTTHERE   ’, &
   ’/usr/local      ’, &
   ’.               ’, &
   ’link.test       ’, &
   ’PROBABLY_NOT    ’]
   do i=1,size(names)
      write(*,*)’ is ’,trim(names(i)),’ a link? ’, system_islnk(names(i))
   enddo
   end program demo_system_islnk
Results:

Nemo Release 3.1 system_islnk (3m_system) March 07, 2025
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