JasPer: The imginfo Program

JasPer 3.0.3 |

The imginfo Program

# 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