количество строк файлов (number lines of files)
Имя (Name)
nl - number lines of files
Синопсис (Synopsis)
nl [OPTION]... [FILE]...
Описание (Description)
Write each FILE to standard output, with line numbers added.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short
options too.
-b, --body-numbering=STYLE
use STYLE for numbering body lines
-d, --section-delimiter=CC
use CC for logical page delimiters
-f, --footer-numbering=STYLE
use STYLE for numbering footer lines
-h, --header-numbering=STYLE
use STYLE for numbering header lines
-i, --line-increment=NUMBER
line number increment at each line
-l, --join-blank-lines=NUMBER
group of NUMBER empty lines counted as one
-n, --number-format=FORMAT
insert line numbers according to FORMAT
-p, --no-renumber
do not reset line numbers for each section
-s, --number-separator=STRING
add STRING after (possible) line number
-v, --starting-line-number=NUMBER
first line number for each section
-w, --number-width=NUMBER
use NUMBER columns for line numbers
--help display this help and exit
--version
output version information and exit
Default options are: -bt -d'\:' -fn -hn -i1 -l1 -n'rn' -s<TAB>
-v1 -w6
CC are two delimiter characters used to construct logical page
delimiters; a missing second character implies ':'.
STYLE is one of:
a number all lines
t number only nonempty lines
n number no lines
pBRE number only lines that contain a match for the basic
regular expression, BRE
FORMAT is one of:
ln left justified, no leading zeros
rn right justified, no leading zeros
rz right justified, leading zeros
