How to use the command pamtopam (with examples)

pamtopam is a command-line tool that allows you to copy a PAM image, which can be a PBM (Portable Bitmap), PGM (Portable Graymap), PPM (Portable Pixmap), or PAM (Portable Arbitrary Map) image. It provides a convenient way to manipulate and transform images in these formats.

Use case 1: Copy a PAM image from stdin to stdout

Code:

pamtopam < path/to/image.pam > path/to/output.pam

Motivation: This use case is useful when you want to copy a PAM image from one file to another or when you want to redirect the image data to another process.

Explanation:

• pamtopam: The command itself.
• < path/to/image.pam: Specifies the input file from which to read the PAM image. In this case, the image is read from the file specified by path/to/image.pam.
• > path/to/output.pam: Specifies the output file where the copied PAM image will be written. In this case, the copied image will be written to the file specified by path/to/output.pam.

Example output: If the command is successful, the specified PAM image will be copied and saved to the specified output file.

Use case 2: Display version

Code:

pamtopam -version

Motivation: This use case is helpful when you want to check the version of pamtopam installed on your system.

Explanation:

• pamtopam: The command itself.
• -version: The option to display the version information of the pamtopam tool.

Example output: The output of the command will be the version information of the pamtopam tool, indicating the version number, release date, and any other relevant details about the installed version.

Conclusion:

The pamtopam command provides a straightforward way to copy PAM images between files or redirect them to other processes. Additionally, it offers a simple option to display the version information of the pamtopam tool. By utilizing these use cases, you can efficiently manage PAM images and perform necessary transformations.