How to use the command "pjtoppm" (with examples)

The “pjtoppm” command is a utility that allows you to convert a HP PaintJet file to the PPM format. PPM (Portable Pixmap) is a popular image format used for storing images. This command is useful when you need to convert a HP PaintJet file to a more widely supported image format.

Use case 1: Convert a HP PaintJet file to PPM

Code:

pjtoppm path/to/input.pj > path/to/output.ppm

Motivation:

Suppose you have a file in the HP PaintJet format and you need to convert it to the PPM format to be able to use it with other image processing tools or share it with others. Using the “pjtoppm” command, you can easily convert the file to the PPM format.

Explanation:

• pjtoppm: This is the command being called.
• path/to/input.pj: This is the path to the input file in HP PaintJet format that you want to convert.
• >: This is a redirection operator that redirects the output of the command to a file.
• path/to/output.ppm: This is the path to the output file in PPM format where the converted image will be stored.

Example output:

After running the above command, the HP PaintJet file located at “path/to/input.pj” will be converted to the PPM format and saved as “path/to/output.ppm”.

Conclusion:

The “pjtoppm” command is a handy tool for converting HP PaintJet files to the PPM format. Whether you need to use the file with other image processing tools or share it with others, this command allows you to easily convert the file format while maintaining the image quality.