JasPer: The imginfo Program

JasPer 4.2.9 |

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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