What does the command Mapfile do?
mapfile also called (read array) is a command of the Bash shell used to read arrays. It reads lines from the standard input into an array variable. If no array name is not specified, the default variable MAPFILE is used as the target array variable.
What does the built in Mapfile do in bash?
On Unix-like operating systems, mapfile is a builtin command of the Bash shell. It reads lines from standard input into an indexed array variable. For more information about bash array variables, see arrays in bash.
What happens when you run the mapfile command?
The mapfile command returns 0 for success, or 1 if anything goes wrong, e.g., an invalid option is provided, or the target variable is read-only or not an array. Examples. The mapfile command reads input line by line, and puts each line in an array variable. Let’s provide it with multiple lines of input.
What’s the purpose of the mapfile file in MapServer?
The Mapfile is the configuration file that MapServer uses to render geospatial data as images or vector data. Its main purpose is to define the layers it can draw, how to read necessary data, and how to render it (e.g. color, symbol, label, etc…).
What does / map do in Microsoft Docs?
The /MAP option tells the linker to create a mapfile. By default, the linker names the mapfile with the base name of the program and the extension.map. The optional filename allows you to override the default name for a mapfile. A mapfile is a text file that contains the following information about the program being linked:
How to use the mapfile builtin command in Bash?
The mapfile builtin command takes the following options: Read a maximum of count lines. If count is zero, all available lines are copied. Begin writing lines to array array at index number origin. The default value is zero. Discard the first count lines before writing to array.