httprobe:tldr:32308

httprobe: Probe a list of domains from a text file.

$ cat ${input_file} | httprobe

try on your machine

This command combines two commands together using a pipe |.

cat ${input_file}: This command uses the cat command to output the contents of the file specified by the ${input_file} variable. The cat command is used to display the contents of text files.
httprobe: This is a separate command that takes input from the previous cat command using the pipe |. httprobe is a tool used for quickly testing a list of HTTP and HTTPS URLs to see if they are live or accessible.

So, the entire command cat ${input_file} | httprobe reads the contents of the file specified by ${input_file} and feeds it as input to the httprobe command. This allows httprobe to test each URL in the file to determine if they are live or reachable over HTTP(S).

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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