Unix and Linux Discussions Tagged with sum |
|
Thread / Thread Starter |
Last Post |
Replies |
Views |
Forum |
|
|
|
5 |
52,958 |
Shell Programming and Scripting |
|
|
|
1 |
1,959 |
UNIX for Beginners Questions & Answers |
|
|
|
6 |
2,648 |
UNIX for Beginners Questions & Answers |
|
|
|
4 |
9,198 |
Shell Programming and Scripting |
|
|
|
8 |
24,166 |
Homework & Coursework Questions |
|
|
|
5 |
19,309 |
UNIX for Beginners Questions & Answers |
|
|
|
6 |
2,445 |
Shell Programming and Scripting |
|
|
|
4 |
1,780 |
Shell Programming and Scripting |
|
|
|
4 |
1,184 |
Shell Programming and Scripting |
|
|
|
1 |
4,478 |
Shell Programming and Scripting |
|
|
|
3 |
8,384 |
Shell Programming and Scripting |
|
|
|
10 |
7,512 |
Shell Programming and Scripting |
|
|
|
2 |
5,990 |
Shell Programming and Scripting |
|
|
|
2 |
2,943 |
UNIX for Dummies Questions & Answers |
|
|
|
1 |
4,965 |
UNIX for Advanced & Expert Users |
|
|
|
2 |
14,135 |
Shell Programming and Scripting |
|
|
|
2 |
5,233 |
Shell Programming and Scripting |
|
|
|
3 |
26,702 |
UNIX for Dummies Questions & Answers |
|
|
|
6 |
11,080 |
Shell Programming and Scripting |
|
|
|
8 |
23,286 |
Shell Programming and Scripting |
|
|
|
1 |
2,320 |
UNIX for Dummies Questions & Answers |
|
|
|
6 |
2,782 |
Shell Programming and Scripting |
|
|
|
8 |
16,328 |
Shell Programming and Scripting |
|
|
|
2 |
5,102 |
Programming |
|
|
|
4 |
3,285 |
Shell Programming and Scripting |
|
|
|
7 |
6,580 |
Shell Programming and Scripting |
|
|
|
6 |
2,883 |
Shell Programming and Scripting |
|
|
|
0 |
1,863 |
Complex Event Processing RSS News |
|
|
|
2 |
15,196 |
Shell Programming and Scripting |
|
|
|
4 |
33,939 |
Shell Programming and Scripting |
|
|
|
3 |
8,626 |
Shell Programming and Scripting |
|
|
|
1 |
2,406 |
Shell Programming and Scripting |
|
|
|
2 |
1,743 |
UNIX for Advanced & Expert Users |
|
|
|
11 |
4,026 |
Shell Programming and Scripting |
|
|
|
2 |
6,691 |
Shell Programming and Scripting |
|
|
|
1 |
8,469 |
HP-UX |
|
|
|
4 |
12,965 |
Shell Programming and Scripting |
|
|
|
2 |
4,946 |
UNIX for Advanced & Expert Users |
|
|
|
1 |
9,049 |
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)