The imginfo Program
Synopsis
imginfo
[options]
Description
The imginfo command displays information about an image. This command is really only intended to be used from shell scripts for testing purposes.
Options
The following options are supported:
- --help
- Print help information and exit.
- --version
- Display the version information and exit.
- --verbose
- Increase the verbosity level.
- -f $file
- Specify that the image should be read from the file named $file. If this option is not specified, the image is read from standard input.
- --list-enabled-formats
- Print the names of all of the enabled image formats to standard output.
- --memory-limit $n
- Set the memory limit to $n bytes.
- --debug-level $level
- Set the debug level to $level.
- --max-samples $n
- Set the maximum number of samples for decoding to $n.
- --decoder-option $string
- Add the option $string to the list of decoder options.
Examples
To obtain information on how to use the imginfo program, use the command:
imginfo --help
Suppose that we would like to print information about an image stored in the file name image.jp2. This could be accomplished by using the command:
imginfo < image.jp2
Alternatively, the following command could be used:
imginfo -f image.jp2