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csvgrep:tldr:7b34d
The command "csvgrep" is a command-line tool used to filter and search data in a CSV (Comma-Separated Values) file. Here's the breakdown of the command and its arguments:
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"csvgrep": The name of the command itself.
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"-c ${3,4}": This option specifies the columns to be searched. ${3,4} represents columns 3 and 4. The command will search for the provided regular expression only in these columns.
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"-r ${regular_expression}": This option specifies the regular expression that will be used for the search. A regular expression is a sequence of characters that defines a search pattern. The command will search for this pattern in the specified columns.
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"${data-csv}": This is the file name or path of the CSV file that contains the data. The command will search and filter data from this file.
To summarize, the command "csvgrep -c ${3,4} -r ${regular_expression} ${data-csv}" searches for and filters data in columns 3 and 4 of a CSV file. It does the search based on the provided regular expression.