xtcount(1)

NAME
xtcount - row count

SYNOPSIS
xtcount [-k a list of attributes] -a name of a new attribute [-q] [-i input filename] [-o output filename] [-z] [-t] [-T directory of work file]

DESCRIPTION
 For each distinct value of the attribute specified by -k, this command counts the number of lines having the value, and outputs it to a new attribute.

PARAMETERS

-k a list of attributes
    a list of attributes which gives a unit of count (when -k is omitted, all lines are assumed to take the same key value)

-a name of a new attribute
    name of a new attribute

-i input filename
    Specify the input filename for this command. If a suffix of the filename is '.gz', the command automatically unzip it beforehand. When this parameter is omitted, standard input (usulally keyboard) is regarded as input file.

-o output filename
    Specify the output filename for this command. If a suffix of the filename is '.gz', the command automatically zip the output data. When this parameter is omitted, standard output (usulally display) is regarded as output file.

-T directory of work file
    Specify the directory name for temporal files used in this command.

OPTIONS

-q  the transaction of sequential: When this option specified with -k parameter, the command process the input data following the original sequence of the lines, instead of processing after sorting the field specified by -k parameter.

-z  compress the standard output by gz: When -o is omitted and this option is specified, the command output the result zipped.

-t  plain text: When this option is specified, the command treat the input and output data as plain text format.

EXAMPLE

 xtcount -k date -a customer number -i dat.xt -o rsl.xt

SEE ALSO
xtagg(1)

WEB PAGE
http://musashi.adm.osaka-sandai.ac.jp

BUG REPORT
musashi@adm.osaka-sandai.ac.jp

AUTHORS
Yukinobu Hamuro,Naoki Katoh,Katsutoshi Yada