Unix and Linux Discussions Tagged with sum |
|
Thread / Thread Starter |
Last Post |
Replies |
Views |
Forum |
|
|
|
5 |
66,445 |
Shell Programming and Scripting |
|
|
|
1 |
2,004 |
UNIX for Beginners Questions & Answers |
|
|
|
6 |
2,830 |
UNIX for Beginners Questions & Answers |
|
|
|
4 |
9,495 |
Shell Programming and Scripting |
|
|
|
8 |
24,478 |
Homework & Coursework Questions |
|
|
|
5 |
19,447 |
UNIX for Beginners Questions & Answers |
|
|
|
6 |
2,574 |
Shell Programming and Scripting |
|
|
|
4 |
1,877 |
Shell Programming and Scripting |
|
|
|
4 |
1,239 |
Shell Programming and Scripting |
|
|
|
1 |
4,569 |
Shell Programming and Scripting |
|
|
|
3 |
8,444 |
Shell Programming and Scripting |
|
|
|
10 |
7,553 |
Shell Programming and Scripting |
|
|
|
2 |
6,030 |
Shell Programming and Scripting |
|
|
|
2 |
2,965 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
4,988 |
UNIX for Advanced & Expert Users |
|
|
|
2 |
14,167 |
Shell Programming and Scripting |
|
|
|
2 |
5,288 |
Shell Programming and Scripting |
|
|
|
3 |
26,774 |
UNIX for Dummies Questions & Answers |
|
|
|
6 |
11,148 |
Shell Programming and Scripting |
|
|
|
8 |
23,340 |
Shell Programming and Scripting |
|
|
|
1 |
2,336 |
UNIX for Dummies Questions & Answers |
|
|
|
6 |
2,835 |
Shell Programming and Scripting |
|
|
|
8 |
16,397 |
Shell Programming and Scripting |
|
|
|
2 |
5,152 |
Programming |
|
|
|
4 |
3,316 |
Shell Programming and Scripting |
|
|
|
7 |
6,605 |
Shell Programming and Scripting |
|
|
|
6 |
2,894 |
Shell Programming and Scripting |
|
|
|
0 |
1,879 |
Complex Event Processing RSS News |
|
|
|
2 |
15,219 |
Shell Programming and Scripting |
|
|
|
4 |
34,727 |
Shell Programming and Scripting |
|
|
|
3 |
8,681 |
Shell Programming and Scripting |
|
|
|
1 |
2,417 |
Shell Programming and Scripting |
|
|
|
2 |
1,755 |
UNIX for Advanced & Expert Users |
|
|
|
11 |
4,061 |
Shell Programming and Scripting |
|
|
|
2 |
6,715 |
Shell Programming and Scripting |
|
|
|
1 |
8,505 |
HP-UX |
|
|
|
4 |
13,005 |
Shell Programming and Scripting |
|
|
|
2 |
4,979 |
UNIX for Advanced & Expert Users |
|
|
|
1 |
9,105 |
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)