program hello
implicit none
integer, dimension (:,:), allocatable :: darray
integer, target, dimension (:), allocatable :: sortarray
integer, target, dimension (:), allocatable :: narray
integer :: i, j, n, k
character (len = 15) :: input_file
character (len = 15) :: output_file
integer :: columns = 0, rows = 0, middleman = 0
!get arguments
CALL GET_COMMAND_ARGUMENT(1, input_file)
CALL GET_COMMAND_ARGUMENT(2, output_file)
print *, input_file
print *, output_file
write(*,*)input_file
!open file for reading
open (unit = 1, file = input_file, status = 'old')
read(1, *) columns, rows
!print "(i6)", columns
!print "(i6)", rows
!fill array
allocate (darray(columns,rows))
allocate (narray(columns))
allocate (sortarray(columns))
!get rows
do i = 1, rows
read(1, *) narray
print *, narray
!print *,'before = ', narray
!sort a row
do n = 1, columns
do j = 1, (columns-n)
if(narray(j) .gt. narray(j+1)) then
middleman = narray(j)
narray(j) = narray(j+1)
narray(j+1) = middleman
end if
end do
end do
do j = 1, columns
darray(j,i) = narray(j)
end do
!print *,'after= ', darray
end do
close(1)
open (unit = 2, file = output_file, status = 'new')
!sort columns
do i = 1, rows
do j = 1, (rows-i)
if(darray(1,j) .gt. darray(1,(j+1))) then
do k = 1, columns
middleman = darray(k,(j))
darray(k, j) = darray(k, (j+1))
darray(k, (j+1)) = middleman
end do
end if
end do
!print row to file
do k = 1, columns
write(2, *) darray(i,k)
end do
write(2, *) '/'
end do
!print *,'should be sorted = ', darray
close(2)
end program Hello
About Online Fortran Compiler
Try our Online Fortran Compiler (Version GNU Fortran, GCC v11.3.0) to Edit, Run, and Share your Fortran Code directly from your browser. This online development environment provides you the latest version GNU Fortran, GCC v11.3.0.
How to use Online Fortran Compiler?
Write and Execute Code
- Write your program (or, paste it) directly under the "Source Code" tab.
- If you want to save your program, go to the "Project" menu and save it.
- You can directly execute your program without saving it by clicking on on "Execute" button.
User Input
The latest version of Coding Ground allows to provide program input at run time from the termnial window exactly the same way as you run your program at your own computer. So simply run a program and provide your program input (if any) from the terminal window available in the right side.
Online Fortran Compiler: Keyboard Shortcuts
The following are the keyword shortcut of this Online Fortran Compiler:
Shortcut | Description |
⌘ + Enter | Run the program |
⌘ + S | Save Project (Login Required) |
⇧ + ⌘ + S | Save As Project |
⌘ + P | New Project |
⌘ + G | Share Project |
⌘ + Z | Undo Editing |
⌘ + Y | Redo Editing |
⌘ + A | Select All Text |
⌘ + X | Cut Selected Text |
⌘ + C | Copy Selected Text |
⌘ + V | Paste Copied Text |
⌘ + F | Search Text |
⌘ + ⌥ + F | Replace Text |
Shortcut | Description |
Ctrl + Enter | Run the program |
Ctrl + S | Save Project |
Shift + Ctrl + S | Save As Project |
Ctrl + G | Share Project |
Ctrl + Z | Undo Editing |
Ctrl + Y | Redo Editing |
Ctrl + A | Select All Text |
Ctrl + X | Cut Selected Text |
Ctrl + C | Copy Selected Text |
Ctrl + V | Paste Copied Text |
Ctrl + F | Search Text |
Ctrl + H | Replace Text |
Online Fortran Compiler: Save and Share Fortran Code (Project)
Save Fortran Project Online
You can save your Fortran Project with us so that you can access this project later on. To save a project you will need to create a login Id with us. So before you save a project, please create a login Id using a link given at the top right corner of this page.
Share Fortran Project Online
You can use this feature to share your Fortran Code with your teachers, classmates and colleagues. Just click Share Button and it will create a short link, which can be shared through Email, WhatsApp or even through Social Media. A shared link will be deleted if it has been passive for almost 3 months.
More Features of Online Fortran Compiler
- Theme – You can change the current editor's theme from the "Editor Theme" option under "Settings" menu.
- Font Size – You can change the font size of the editor /compiler from from the "Font Size" option under "Settings" menu.
- Tab Size – You can change the tab size from the "Tab Size" option under "Settings" Menu.
- Show/Hide Line Numbers – You can show/hide the line number with the code from the "Show Line Numbers" or "Hide Line Numbers" option under "Settings" Menu.
- And, many more.
Benefits of Using Online Fortran Compiler
There are several benefits of using the Online Fortran Compiler to run your Fortran code:
- Platform independence: You can run your code from any device without taking care of operating systems.
- Convenience: You don't need to install anything for using this.
- No setup required: There is no need for additional setup to run your code.
- Updated version: Our online compiler/editors/terminals are the latest up-to-date.