
jq:tldr:b446f
This command combines the use of two tools: cat
and jq
, used in a Bash-like shell environment.
-
${cat filename-json}
: This is command substitution using${}
syntax. It executes thecat
command withfilename-json
as an argument. The purpose ofcat
is to display the contents of a file (filename-json
in this case) in the terminal. -
|
: This is a pipe symbol that connects the output of the previous command to the input of the next command. It allows the output ofcat
to be passed as input for the next command (jq
). -
jq --from-file ${path-to-script-jq}
: Here,jq
is a lightweight command-line JSON processor. It is used to process JSON data. In this command, the--from-file
option is used to specify a script file (${path-to-script-jq}
) containing operations to be performed on the JSON input.
Overall, this command takes the contents of the filename-json
file, pipes it to jq
, and uses a script file (${path-to-script-jq}
) to process and manipulate the JSON data.