David Muir Sharnoff > tsv-0.3 > tsv

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NAME ^

 tsv - general tsv file mangler

USAGE ^

 tsv [options] file(s)

OPTIONS ^

 --show                 Display column names
 -f --cut COL,COL,COL   like cut(1) but uses column names
 --rotate               Turn columsn to rows
 --matchup FILE         Rotate, grabbing header from FILE
 --validate             Discards rows that have wrong column count
 -n --head COUNT        Only process COUNT lines
 --default VALUE        Replace empty values with VALUE
 --grep COLS PATTERN    Search for pattern in cols
 --select COLS CODE     Eval code on cols, output if returns true
 --help                 Display man page

DESCRIPTION ^

tsv is a collection of small tools for manipulating and reporting on TSV (tab separated values) files.

--show

Displays a numbered list of the columns

--cut COLUMN_NAME(S)

Outputs a new TSV with just the named columns. Columns must be named; separate column names with comma ,.

--rotate

Turn the columns into rows and the rows into columns.

--matchup FILE

Grab the first row from FILE and then rotate. Usually this is used when with grep:

 grep stuff file.tsv | tsv --match file.tsv 
--grep COLUMNS PATTERN

Look for PATTERN in COLUMNS (comma separate list, names or numbers)

--select CODE

Evaluate CODE. Each column will be in the variable $colname. A true value from the code will cause the line to print. Do not use return: the code is inside a while loop, not a sub.

--validate

Only output rows that have the same number of columns as the header line.

--default VALUE

Replace empty values with VALUE. This can be combined with --validate.

-n --head COUNT

Only process COUNT lines of input. This can be combined with all the other options except --show.

LICENSE ^

This package may be used and redistributed under the terms of either the Artistic 2.0 or LGPL 2.1 license.

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