twopi:tldr:a40cc

twopi: Render a `gif` image using `stdin` and `stdout`.

echo

$ echo "${digraph {this -> that} }" | twopi -T ${gif} > ${path-to-image-gif}

try on your machine

This command is used to visualize a directed graph (digraph) using the graphviz tool called "twopi" and save the visualization as a GIF image file.

Let's break down the command step by step:

echo "${digraph {this -> that} }": This part generates the input for the twopi tool. It creates a directed graph where "this" is connected to "that". The ${digraph {this -> that} } is a parameter (variable) that holds the graph information.
|: This is a pipe symbol that redirects the output of the previous command to the input of the next command.
twopi: This is the command-line tool from the graphviz package that visualizes connected graphs.
-T ${gif}: The -T option is used to specify the output format. ${gif} is a variable representing the desired output format, which in this case is a GIF image.
>: This redirects the output of the twopi command to a file.
${path-to-image-gif}: This is a parameter (variable) that represents the file path where the generated GIF image will be saved.

In summary, this command creates a directed graph with a connection between "this" and "that," and then uses twopi to generate a GIF image visualization of the graph. The resulting GIF image is then saved at the specified file path.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

back to the echo tool