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mm2gv:tldr:3a9dd
This command consists of several parts that are connected by the pipe symbol "|". Let's break it down:
-
cat ${input-mm}
: Thecat
command is used to concatenate and display the content of files. In this case, it is used to display the content of the file named${input-mm}
. The${input-mm}
is a placeholder that represents a variable which holds the name of the input file. -
|
: This is the pipe symbol, which is used to redirect the output of one command to be the input of another command. -
mm2gv
: This is a command (presumably a custom one) that takes the input from the previous command and performs some transformation or conversion. It likely converts a file in the.mm
format to a Graphviz.gv
format. -
> ${output-gv}
: This symbol>
is called the output redirection operator. It is used to redirect the output of the preceding command to a file named${output-gv}
. The${output-gv}
is another placeholder for a variable that holds the desired name of the output file.
In summary, this command reads the content of a given file (${input-mm}
), passes it to a custom command (mm2gv
) for conversion, and then saves the converted content into another file (${output-gv}
). The actual file names would be provided by substituting the placeholder variables with specific values.