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Manual Reference Pages  - remove (3)

NAME

remove(3f) - [M_list] remove entry from an allocatable array at specified position

CONTENTS

Synopsis
Description
Options
Examples
Author

SYNOPSIS

subroutine remove(list,place)

character(len=:),intent(inout)|doubleprecision|real|integer :: list(:)

DESCRIPTION

Remove a value from an allocatable array at the specified index. The array is assumed to be sorted in descending order. It may be of type CHARACTER, DOUBLEPRECISION, REAL, or INTEGER.

OPTIONS

list is the list array.
PLACE is the subscript for the entry that should be removed

EXAMPLES

Sample program

    program demo_remove
    use M_sort, only : sort_shell
    use M_list, only : locate, remove
    implicit none
    character(len=:),allocatable :: arr(:)
    integer                       :: i
    integer                       :: end

arr=[character(len=20) :: ’’, ’ZZZ’, ’Z’, ’aaa’, ’b’, ’b’, ’ab’, ’bb’, ’xxx’ ] ! make sure sorted in descending order call sort_shell(arr,order=’d’)

end=size(arr) write(*,’("SIZE=",i0,1x,*(a,","))’)end,(trim(arr(i)),i=1,end) call remove(arr,1) end=size(arr) write(*,’("SIZE=",i0,1x,*(a,","))’)end,(trim(arr(i)),i=1,end) call remove(arr,4) end=size(arr) write(*,’("SIZE=",i0,1x,*(a,","))’)end,(trim(arr(i)),i=1,end)

end program demo_remove

Results:

   Expected output

SIZE=9 xxx,bb,b,b,ab,aaa,ZZZ,Z,, SIZE=8 bb,b,b,ab,aaa,ZZZ,Z,, SIZE=7 bb,b,b,aaa,ZZZ,Z,,

AUTHOR

1989,2017 John S. Urban


remove (3) June 28, 2019
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