Unix and Linux Discussions Tagged with sum |
|
Thread / Thread Starter |
Last Post |
Replies |
Views |
Forum |
|
|
|
5 |
68,871 |
Shell Programming and Scripting |
|
|
|
1 |
2,183 |
UNIX for Beginners Questions & Answers |
|
|
|
6 |
3,303 |
UNIX for Beginners Questions & Answers |
|
|
|
4 |
10,032 |
Shell Programming and Scripting |
|
|
|
8 |
25,307 |
Homework & Coursework Questions |
|
|
|
5 |
20,018 |
UNIX for Beginners Questions & Answers |
|
|
|
6 |
3,063 |
Shell Programming and Scripting |
|
|
|
4 |
2,185 |
Shell Programming and Scripting |
|
|
|
4 |
1,423 |
Shell Programming and Scripting |
|
|
|
1 |
4,694 |
Shell Programming and Scripting |
|
|
|
3 |
8,699 |
Shell Programming and Scripting |
|
|
|
10 |
7,709 |
Shell Programming and Scripting |
|
|
|
2 |
6,107 |
Shell Programming and Scripting |
|
|
|
2 |
3,043 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
5,087 |
UNIX for Advanced & Expert Users |
|
|
|
2 |
14,283 |
Shell Programming and Scripting |
|
|
|
2 |
5,480 |
Shell Programming and Scripting |
|
|
|
3 |
27,040 |
UNIX for Dummies Questions & Answers |
|
|
|
6 |
11,384 |
Shell Programming and Scripting |
|
|
|
8 |
23,544 |
Shell Programming and Scripting |
|
|
|
1 |
2,395 |
UNIX for Dummies Questions & Answers |
|
|
|
6 |
2,894 |
Shell Programming and Scripting |
|
|
|
8 |
16,581 |
Shell Programming and Scripting |
|
|
|
2 |
5,278 |
Programming |
|
|
|
4 |
3,410 |
Shell Programming and Scripting |
|
|
|
7 |
6,668 |
Shell Programming and Scripting |
|
|
|
6 |
2,952 |
Shell Programming and Scripting |
|
|
|
0 |
1,907 |
Complex Event Processing RSS News |
|
|
|
2 |
15,269 |
Shell Programming and Scripting |
|
|
|
4 |
34,987 |
Shell Programming and Scripting |
|
|
|
3 |
8,809 |
Shell Programming and Scripting |
|
|
|
1 |
2,466 |
Shell Programming and Scripting |
|
|
|
2 |
1,864 |
UNIX for Advanced & Expert Users |
|
|
|
11 |
4,157 |
Shell Programming and Scripting |
|
|
|
2 |
6,761 |
Shell Programming and Scripting |
|
|
|
1 |
8,626 |
HP-UX |
|
|
|
4 |
13,090 |
Shell Programming and Scripting |
|
|
|
2 |
5,158 |
UNIX for Advanced & Expert Users |
|
|
|
1 |
9,347 |
UNIX for Dummies Questions & Answers |
sum(n) sum sum(n)
NAME
sum - calculate a sum(1) compatible checksum
SYNOPSIS
package require Tcl 8.2
package require sum ?1.0?
::crc::sum ?-format format? message
::crc::sum ?-format format? -filename file
DESCRIPTION
This package provides a Tcl-only implementation of the sum(1) command which calculates a 16 bit checksum value from the input data. The
BSD sum algorithm is used by default but the SysV algorithm is also available.
COMMANDS
::crc::sum ?-format format? message
::crc::sum ?-format format? -filename file
The command takes string data or a file name and returns a checksum value calculated using the sum(1) algorithm. The result is for-
matted using the format(n) specifier provided or as an unsigned integer (%u) by default.
OPTIONS
-filename name
Return a checksum for the file contents instead of for parameter data.
-format string
Return the checksum using an alternative format template.
EXAMPLES
% crc::sum "Hello, World!"
37287
% crc::sum -format 0x%X "Hello, World!"
0x91A7
% crc::sum -file sum.tcl
13392
SEE ALSO
sum(1), cksum(n), crc32(n)
AUTHORS
Pat Thoyts
KEYWORDS
sum, cksum, checksum, crc, crc32, cyclic redundancy check, data integrity, security
crc 1.0 sum(n)