pup:tldr:8575a

pup: Filter HTML by element tag name.

$ cat ${index-html} | pup '${tag}'

try on your machine

This command is a combination of two commands, cat and pup, used in a Unix-like shell environment.

cat ${index-html}: The cat command is used to display the contents of a file. ${index-html} is a placeholder for the name of a file. The command will read the content of the specified file and display it in the terminal.
|: The pipe symbol | is used to redirect the output of one command as input to another command. It connects the output of cat command to the input of the pup command.
pup '${tag}': The pup command is a command-line tool for parsing HTML. It allows you to extract data from HTML documents using CSS selectors. ${tag} is a placeholder for a CSS selector. The pup command will take the input from the previous command (cat) and apply the specified CSS selector to extract the HTML elements that match the selector.

In summary, the command cat ${index-html} | pup '${tag}' reads the content of a file (specified by ${index-html}) and then uses pup with a specified CSS selector (${tag}) to extract specific HTML elements from that file.

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.

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