Last change
on this file since 0170798 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Imported original source code.
|
-
Property mode
set to
100755
|
File size:
1.1 KB
|
Line | |
---|
1 | NAME
|
---|
2 | field - select fields or columns from a file
|
---|
3 |
|
---|
4 | SYNOPSIS
|
---|
5 |
|
---|
6 | field [-tc] [-nc] [-pc] n ...
|
---|
7 |
|
---|
8 | DESCRIPTION
|
---|
9 |
|
---|
10 | The field command copies selected, delimiter-separated fields from
|
---|
11 | the standard input to the standard output.
|
---|
12 |
|
---|
13 | Fields are numbered from 1 and a field may be requested more than once.
|
---|
14 |
|
---|
15 | The default delimiter is a tab.
|
---|
16 |
|
---|
17 | This can be changed to character c with the option -tc .
|
---|
18 | If the form -nc is used, the delimiter c is used on input,
|
---|
19 | but the output is still separated by tabs. If the form -pc
|
---|
20 | is use, the delimiter c is used on output, but the input is
|
---|
21 | still delimited by tabs.
|
---|
22 |
|
---|
23 | EXAMPLE
|
---|
24 |
|
---|
25 | The following command extracts the login names, user and group numbers
|
---|
26 | from the password file:
|
---|
27 |
|
---|
28 |
|
---|
29 | field -t: 1 3 4 </etc/passwd
|
---|
30 |
|
---|
31 | SEE ALSO
|
---|
32 |
|
---|
33 | Cut, which is available on System V.
|
---|
34 | There is a version of cut on this system, but no manual entry yet.
|
---|
35 |
|
---|
36 | BUGS/LIMITATIONS
|
---|
37 |
|
---|
38 | The number of input or output fields may not exceed 256 and
|
---|
39 | the maximum line length is 4096 characters.
|
---|
40 |
|
---|
41 | AUTHORS
|
---|
42 |
|
---|
43 | Adapted from:
|
---|
44 |
|
---|
45 | Bourne, S. R.
|
---|
46 | "The Unix Programming Environment"
|
---|
47 | p 228-9.
|
---|
48 |
|
---|
49 | Modifications by William Silvert and D.N. Lynx Crowe.
|
---|
Note:
See
TracBrowser
for help on using the repository browser.