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sqfstar:tldr:c503c
This command is a combination of two separate commands connected by a pipe symbol (|). Let's break it down step by step:
-
lz4cat ${archive-tar-lz4}
: This command uses thelz4cat
tool to decompress the contents of an LZ4 compressed archive file specified by the${archive-tar-lz4}
variable.lz4cat
takes the compressed file as input and outputs the uncompressed data. -
|
: The pipe symbol (|) is used to redirect the output of the previous command to the input of the next command. In this case, it connects the output oflz4cat
to the input of the next command. -
sqfstar ${filesystem-squashfs} -regex "${regular_expression}"
: This command uses thesqfstar
tool to extract files from a SquashFS filesystem specified by the${filesystem-squashfs}
variable. The-regex
option allows you to specify a regular expression pattern to match files within the SquashFS filesystem. The${regular_expression}
variable contains the specific regular expression pattern to use.
In summary, this command decompresses an LZ4 compressed archive file using lz4cat
and then uses sqfstar
to extract files from a SquashFS filesystem based on a given regular expression pattern.