Add documentation

doc/specs/stdlib_array.md

@@ -147,7 +147,7 @@ Add an array of defined type and rank to a list of array wrappers.
 
 #### Syntax
 
-`call ` [[stdlib_array(module):add_array(interface)]] ` (arrays, array[, stat, msg, name])`
+`call ` [[stdlib_array(module):add_array(interface)]] `(arrays, array[, stat, msg, name])`
 
 #### Class
 
@@ -170,6 +170,7 @@ Pure subroutine.
 ```fortran
 {!example/io/example_save_npz.f90!}
 ```
+
 ### `get_values`
 
 #### Status
@@ -182,7 +183,7 @@ Get the values of the array within the array wrapper.
 
 #### Syntax
 
-`call ` [[stdlib_array(module):array_wrapper_type(type)]] `%` [[array_wrapper_type(type):get_values(bound)]] ` (wrapper, values[, stat, msg])`
+`call ` [[stdlib_array(module):array_wrapper_type(type)]] `%` [[array_wrapper_type(type):get_values(bound)]] `(wrapper, values[, stat, msg])`
 
 #### Class
 

doc/specs/stdlib_io.md

@@ -136,11 +136,11 @@ Loads an `array` from a npy formatted binary file.
 
 ### Syntax
 
-`call ` [[stdlib_io_npy(module):load_npy(interface)]] `(filename, array[, iostat][, iomsg])`
+`call ` [[stdlib_io_np(module):load_npy(interface)]] `(filename, array[, iostat][, iomsg])`
 
 ### Arguments
 
-`filename`: Shall be  a character expression containing the file name from which to load the `array`.
+`filename`: Shall be a character expression containing the file name from which to load the `array`.
             This argument is `intent(in)`.
 
 `array`: Shall be an allocatable array of any rank of type `real`, `complex` or `integer`.
@@ -164,7 +164,6 @@ Returns an allocated `array` with the content of `filename` in case of success.
 {!example/io/example_loadnpy.f90!}
 ```
 
-
 ## `save_npy`
 
 ### Status
@@ -177,7 +176,7 @@ Saves an `array` into a npy formatted binary file.
 
 ### Syntax
 
-`call ` [[stdlib_io_npy(module):save_npy(interface)]] `(filename, array[, iostat][, iomsg])`
+`call ` [[stdlib_io_np(module):save_npy(interface)]] `(filename, array[, iostat][, iomsg])`
 
 ### Arguments
 
@@ -205,6 +204,70 @@ Provides a npy file called `filename` that contains the rank-2 `array`.
 {!example/io/example_savenpy.f90!}
 ```
 
+## `load_npz`
+
+### Status
+
+Experimental
+
+### Description
+
+Populates an array of `array_wrapper_type` with the contents of an npz file.
+
+### Syntax
+
+`call ` [[stdlib_io_np(module):load_npz(interface)]] `(filename, arrays[, iostat][, iomsg][, tmp_dir])`
+
+### Arguments
+
+`filename`: Shall be a character expression containing the name of the npz file to load from. The argument is `intent(in)`.
+
+`arrays`: Shall be an allocatable array of type `array_wrapper_type` to load the content of the npz file to. This argument is `intent(out)`.
+
+`iostat`: Default integer, contains status of loading to file, zero in case of success. This argument is `optional` and `intent(out)`.
+
+`iomsg`: Deferred length character value, contains error message in case `iostat` is non-zero. It is an optional argument, error message will be dropped if not present. This argument is `intent(out)`.
+
+`tmp_dir`: Shall be a character expression containing the name of the temporary directory to extract the npz file to. The argument is `optional` and `intent(in)`.
+
+### Example
+
+```fortran
+{!example/io/example_load_npz.f90!}
+```
+
+## `save_npz`
+
+### Status
+
+Experimental
+
+### Description
+
+Saves an array of `array_wrapper_type` into a npz file.
+
+### Syntax
+
+`call ` [[stdlib_io_np(module):save_npz(interface)]] `(filename, arrays[, iostat][, iomsg][, compressed])`
+
+### Arguments
+
+`filename`: Shall be a character expression containing the name of the file that contains the arrays. This argument is `intent(in)`.
+
+`arrays`: Shall be arrays of type `array_wrapper_type` that are meant to be saved to disk. This argument is `intent(in)`.
+
+`iostat`: Default integer, contains status of saving to file, zero in case of success. This argument is `optional` and `intent(out)`.
+
+`iomsg`: Deferred length character value, contains error message in case `iostat` is non-zero. It is an optional argument, error message will be dropped if not present. This argument is `intent(out)`.
+
+`compressed`: Shall be a logical expression that determines if the npz file should be compressed. The argument is `optional` and `intent(in)`. The default value is `.false.`.
+
+### Example
+
+```fortran
+{!example/io/example_save_npz.f90!}
+```
+
 ## `getline`
 
 ### Status
@@ -260,3 +323,117 @@ Provides formats for all kinds as defined in the `stdlib_kinds` module.
 ```fortran
 {!example/io/example_fmt_constants.f90!}
 ```
+
+## `zip`
+
+### Status
+
+Experimental
+
+### Description
+
+Compresses a file or directory into a zip archive.
+
+### Syntax
+
+`call ` [[stdlib_io_zip(module):zip(subroutine)]] ` (output_file, files[, stat][, msg][, compressed])`
+
+### Arguments
+
+`output_file`: Character expression representing the name of the zip file to create. This argument is `intent(in)`.
+
+`files`: Array of `string_type` representing the names of the files to compress. This argument is `intent(in)`.
+
+`stat`: Default integer, contains status of reading from unit, zero in case of success. This argument is `optional` and `intent(out)`.
+
+`msg`: Deferred length character value, contains error message in case `iostat` is non-zero. It is an `optional` argument, error message will be dropped if not present. This argument is `intent(out)`.
+
+`compressed`: Logical expression that determines if the zip file should be compressed. The argument is `optional` and `intent(in)`. The default value is `.true.`.
+
+## `unzip`
+
+### Status
+
+Experimental
+
+### Description
+
+Extracts a zip archive into a directory.
+
+### Syntax
+
+`call ` [[stdlib_io_zip(module):unzip(subroutine)]] ` (filename, outputdir[, stat][, msg])`
+
+### Arguments
+
+`filename`: Character expression representing the name of the zip file to extract. This argument is `intent(in)`.
+
+`outputdir`: Character expression representing the name of the directory to extract the zip file to. This argument is `intent(in)`.
+
+`stat`: Default integer, contains status of reading from unit, zero in case of success. This argument is `optional` and `intent(out)`.
+
+`msg`: Deferred length character value, contains error message in case `iostat` is non-zero. It is an `optional` argument, error message will be dropped if not present. This argument is `intent(out)`.
+
+## `exists`
+
+### Status
+
+Experimental
+
+### Description
+
+Whether a file or directory exists at the given location in the filesystem.
+
+### Syntax
+
+`is_existing = ` [[stdlib_io_filesystem(module):exists(function)]] ` (filename)`
+
+### Arguments
+
+`filename`: Character expression representing the name of the file or directory to check for existence. This argument is `intent(in)`.
+
+## `list_dir`
+
+### Status
+
+Experimental
+
+### Description
+
+Lists the contents of a directory.
+
+### Syntax
+
+`call ` [[stdlib_io_filesystem(module):list_dir(subroutine)]] ` (dir, files[, iostat][, iomsg])`
+
+### Arguments
+
+`dir`: Character expression representing the name of the directory to list. This argument is `intent(in)`.
+
+`files`: Array of `string_type` representing the names of the files in the directory. This argument is `intent(out)`.
+
+`iostat`: Default integer, contains status of reading from unit, zero in case of success. This argument is `optional` and `intent(out)`.
+
+`iomsg`: Deferred length character value, contains error message in case `iostat` is non-zero. It is an `optional` argument, error message will be dropped if not present. This argument is `intent(out)`.
+
+## `run`
+
+### Status
+
+Experimental
+
+### Description
+
+Runs a command in the shell.
+
+### Syntax
+
+`call ` [[stdlib_io_filesystem(module):run(subroutine)]] ` (command[, iostat][, iomsg])`
+
+### Arguments
+
+`command`: Character expression representing the command to run. This argument is `intent(in)`.
+
+`iostat`: Default integer, contains status of reading from unit, zero in case of success. This argument is `optional` and `intent(out)`.
+
+`iomsg`: Deferred length character value, contains error message in case `iostat` is non-zero. It is an `optional` argument, error message will be dropped if not present. This argument is `intent(out)`.

src/stdlib_io_filesystem.f90

@@ -16,6 +16,7 @@ module stdlib_io_filesystem
     !> Version: experimental
     !>
     !> Whether a file or directory exists at the given path.
+    !> [Specification](../page/specs/stdlib_io.html#exists)
     logical function exists(filename)
         !> Name of the file or directory.
         character(len=*), intent(in) :: filename
@@ -30,44 +31,49 @@ logical function exists(filename)
     !> Version: experimental
     !>
     !> List files and directories of a directory. Does not list hidden files.
-    subroutine list_dir(dir, files, stat, msg)
+    !> [Specification](../page/specs/stdlib_io.html#list_dir)
+    subroutine list_dir(dir, files, iostat, iomsg)
         !> Directory to list.
         character(len=*), intent(in) :: dir
         !> List of files and directories.
         type(string_type), allocatable, intent(out) :: files(:)
         !> Status of listing.
-        integer, intent(out) :: stat
+        integer, optional, intent(out) :: iostat
         !> Error message.
-        character(len=:), allocatable, optional, intent(out) :: msg
+        character(len=:), allocatable, optional, intent(out) :: iomsg
 
-        integer :: unit, iostat
+        integer :: unit, stat
         character(len=256) :: line
 
         stat = 0
 
         if (.not. exists(temp_dir)) then
             call run('mkdir '//temp_dir, stat)
             if (stat /= 0) then
-                if (present(msg)) msg = "Failed to create temporary directory '"//temp_dir//"'."; return
+                if (present(iostat)) iostat = stat
+                if (present(iomsg)) iomsg = "Failed to create temporary directory '"//temp_dir//"'."
+                return
             end if
         end if
 
         call run('ls '//dir//' > '//listed_contents, stat)
         if (stat /= 0) then
-            if (present(msg)) then
-                msg = "Failed to list files in directory '"//dir//"'."; return
-            end if
+            if (present(iostat)) iostat = stat
+            if (present(iomsg)) iomsg = "Failed to list files in directory '"//dir//"'."
+            return
         end if
 
         open(newunit=unit, file=listed_contents, status='old', action='read', iostat=stat)
         if (stat /= 0) then
-            if (present(msg)) msg = "Failed to open file '"//listed_contents//"'."; return
+            if (present(iostat)) iostat = stat
+            if (present(iomsg)) iomsg = "Failed to open file '"//listed_contents//"'."
+            return
         end if
 
         allocate(files(0))
         do
-            read(unit, '(A)', iostat=iostat) line
-            if (iostat /= 0) exit
+            read(unit, '(A)', iostat=stat) line
+            if (stat /= 0) exit
             files = [files, string_type(line)]
         end do
         close(unit, status="delete")
@@ -76,30 +82,31 @@ subroutine list_dir(dir, files, stat, msg)
     !> Version: experimental
     !>
     !> Run a command in the shell.
-    subroutine run(command, stat, msg)
+    !> [Specification](../page/specs/stdlib_io.html#run)
+    subroutine run(command, iostat, iomsg)
         !> Command to run.
         character(len=*), intent(in) :: command
         !> Status of the operation.
-        integer, intent(out), optional :: stat
+        integer, intent(out), optional :: iostat
         !> Error message.
-        character(len=:), allocatable, intent(out), optional :: msg
+        character(len=:), allocatable, intent(out), optional :: iomsg
 
         integer :: exitstat, cmdstat
         character(len=256) :: cmdmsg
 
-        if (present(stat)) stat = 0
+        if (present(iostat)) iostat = 0
         exitstat = 0; cmdstat = 0
 
         call execute_command_line(command, exitstat=exitstat, cmdstat=cmdstat, cmdmsg=cmdmsg)
         if (exitstat /= 0 .or. cmdstat /= 0) then
-            if (present(stat)) then
+            if (present(iostat)) then
                 if (exitstat /= 0) then
-                    stat = exitstat
+                    iostat = exitstat
                 else
-                    stat = cmdstat
+                    iostat = cmdstat
                 end if
             end if
-            if (present(msg) .and. trim(adjustl(cmdmsg)) /= '') msg = cmdmsg
+            if (present(iomsg) .and. trim(adjustl(cmdmsg)) /= '') iomsg = cmdmsg
         end if
     end
 end

src/stdlib_io_zip.f90

@@ -18,6 +18,7 @@ module stdlib_io_zip
     !> Version: experimental
     !>
     !> Create a zip file from a list of files.
+    !> [Specification](../page/specs/stdlib_io.html#zip)
     subroutine zip(output_file, files, stat, msg, compressed)
         !> Name of the zip file to create.
         character(*), intent(in) :: output_file
@@ -68,6 +69,7 @@ subroutine zip(output_file, files, stat, msg, compressed)
     !> Version: experimental
     !>
     !> Extract a zip file to a directory.
+    !> [Specification](../page/specs/stdlib_io.html#unzip)
     subroutine unzip(filename, outputdir, stat, msg)
         !> Name of the zip file to extract.
         character(len=*), intent(in) :: filename