NAME

strgroup (This may change its program name into `strsort'.)

VERSION

0.02

SYNOPSIS

strgroup

DESCRIPTION

For each character string on each line, group them based on either of 
beginning N characters, ending N characters or `the string specified and later'.
The output is sorted by the key as defined above with the input frequency and 
concrete examples. 

OPTION (N means a nubmeric parameter, str means the chracter string parameter.)

-g N

The number of items for each group is Got at most 2*N. (The smalles N items and the largest N items.)

-h N

Taking N characters from the Head of the charater string.

-t N

Taking N characters from the Tail of the charater string.

-s str

Taking `str' and *after*. Shortest match. Example: " -s . " then you can sort all the file extention.

-r

The flag that you specify the regular expression. So you can use "-r -s '(?<=pattern)foo' " .

-1

No aggregation.

-:

In the output, each item is attached with the input line number like '12:item'

-n

Numbering the strings with green for each key group.

-x

In the output, each item is suppressed of the substring corresponding to the key.

-c

Put priority by the total frequency for each group(key).

-u

Process as UTF-8.

-2

Simple output so that no header in the output.

-y N..N[,N..N]..

Filter by the frequency. N1..N2 means a range. You can specify multiple ranges by ",".

-B

Key will be bold. Useful to identify that they are keys.

-~

Reverse the order of ouput lines.

--help

Show this help manual.

HISTORY

This program has been made since 2018-08-18.

AUTHOR

"Toshiyuki Shimono", <bin4tsv at gmail.com>