zgrep:tldr:bef93

The command "zgrep -v ${pattern} ${path-to-compressed-file}" is used to search for lines in a compressed file that do not match a specific pattern.

Here is a breakdown of the command:

• "zgrep" is a command-line tool that allows you to search for patterns in compressed files without having to first decompress them. It works similar to the "grep" command but is specifically designed for compressed files.
• "-v" is an option that signifies the "invert match" feature. This means that instead of displaying lines that match the pattern, it will display lines that do not match the pattern.
• "${pattern}" is a placeholder that represents the pattern you want to search for. This is usually a string or a regular expression that describes the text you are interested in finding.
• "${path-to-compressed-file}" is a placeholder that represents the path to the compressed file you want to search in. This should be the actual file name with its extension (e.g., file.gz) or the full path to the file depending on your current working directory.

By running this command, the tool will search the compressed file specified by the path and display all the lines that do not match the provided pattern.