ffe:tldr:5f891

ffe: Write only the records that match an expression.

$ ffe -e "${LastName=Smith}" -c ${path-to-config-ffe} ${path-to-input}

try on your machine

This command seems to be using the executable file named "ffe" to perform a data transformation or processing task. Here is a breakdown of each part of the command:

ffe: This is the name of the executable file or command being executed.
-e "${LastName=Smith}": This is an option or argument provided to the "ffe" command. It sets the value of a variable named "LastName" to "Smith". The syntax "${LastName=Smith}" means if the variable "LastName" is already defined, it will keep its current value, otherwise, it will be assigned the value "Smith".
-c ${path-to-config-ffe}: Another option or argument passed to the "ffe" command. It specifies the path to a configuration file named "config-ffe". The exact path is provided through the variable $path-to-config-ffe.
${path-to-input}: This is the last argument that specifies the path to an input file. The exact path is provided through the variable $path-to-input.

Overall, this command is likely running the "ffe" command, providing the "LastName" variable, a configuration file path, and an input file path as arguments. The purpose and specific behavior of the "ffe" command would depend on its documentation or intended use case.

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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