Manual Reference Pages - isgraph (3m_strings)

NAME

isgraph(3f) - [M_strings:COMPARE] returns .true. if character is a printable character except a space is considered non-printable (LICENSE:PD)

Synopsis
Description
Options
Returns
Examples
Author
License

SYNOPSIS

elemental function isgraph(onechar)

    character,intent(in) :: onechar
    logical              :: isgraph

DESCRIPTION

isgraph(3f) returns .true. if character is a printable character except a space is considered non-printable

OPTIONS

onechar
character to test

RETURNS

isgraph
logical value returns true if character is a printable non-space character

EXAMPLES

Sample Program:

   program demo_isgraph
   use M_strings, only : isgraph
   implicit none
   integer                    :: i
   character(len=1),parameter :: string(*)=[(char(i),i=0,127)]
      write(*,’(40(a))’)’ISGRAPH: ’,pack( string, isgraph(string) )
   end program demo_isgraph

Results:

   ISGRAPH: !"#$%&’()*+,-./0123456789:;<=>?@ABCDEFG
   HIJKLMNOPQRSTUVWXYZ[\]^_‘abcdefghijklmno
   pqrstuvwxyz{|}~

AUTHOR

John S. Urban

LICENSE

Public Domain

Nemo Release 3.1

isgraph (3m_strings)

January 10, 2025

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isgraph
	logical value returns true if character is a printable non-space character