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Manual Reference Pages  - which (3)

NAME
which(3f) - [M_io:ENVIRONMENT] given a command name find the pathname by searching the directories in the environment variable $PATH (LICENSE:PD)

CONTENTS

Syntax
Description
Options
Returns
Example
Author
License

SYNTAX
function which(command) result(pathname) 

   character(len=*),intent(in)  :: command
   character(len=:),allocatable :: pathname

DESCRIPTION
Given a command name find the first file with that name in the directories specified by the environment variable $PATH.

OPTIONS
COMMAND
  the command to search for

RETURNS
PATHNAME
  the first pathname found in the current user path. Returns blank if the command is not found.

EXAMPLE
Sample program: 

    program demo_which
    use M_io, only : which
    implicit none
       write(*,*)’ls is ’,which(’ls’)
       write(*,*)’dir is ’,which(’dir’)
       write(*,*)’install is ’,which(’install’)
    end program demo_which

AUTHOR
John S. Urban

LICENSE
Public Domain

which (3) March 11, 2021
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