Dear All
I have written a client server program for file transmission from one system to other using UDP.
Can i use the cksum number in the udp header to validate if the received packet is corrupted or not? If yes, how can i extract the header and validate it..
Also is there any way that... (3 Replies)
Hello friends,
I am looking for a script or method that can display all the dates between any 2 given dates.
Input:
Date 1
290109
Date 2
010209
Output:
300109
310109
Please help me. Thanks. :):confused: (2 Replies)
Hi, I am creating a ksh script to search for a string of text inside files within a directory tree. Some of these file are going to be read/execute only. I know to use chmod to change the permissions of the file, but I want to preserve the original permissions after writing to the file. How can I... (3 Replies)
Hi All,
I have spooled some data in a file (a.dat, b.dat etc..) and after that I want to get the size and checksum of spooled file (a.dat, b.dat etc..) in a log file(file_info.log).
By the way I dont want lost the previous output file info(Append data).
View of log file that I want to... (5 Replies)
Hello
I am communicating with two devices using my computer over UDP protocol. The application is running fine. When I monitored the UDP traffic using Wireshark software, I found that there were too many Checksum errors.
Please find attached the png file showing this error. I am about to... (0 Replies)
Hi All,
I am trying to print the dates that falls between 2 date variables into a file. Here is the example.
$BUS_DATE =20120616
$SUB_DATE=20120613
Output to file abc.txt should be : 20120613,20120614,120120615,20120616
Can you pls help me accomplish this in LINUX.
Thanks... (5 Replies)
hi all i want a script to FTP a file and should generate a quality checksum file
means when I FTP a file from one server to another server it should generate a QC file which should contain timestamp,no.of records in that file
Thanks in advance
saikumar (3 Replies)
I have one utility in VB which generates attached file(circle.14.mdn_range.properties_VB) & i have created other file(circle.14.mdn_range.properties_UTLFILE) having same contents with UTL_FILE(Oracle running on solaris). But checksum is different for both the files with same contents. Can you... (7 Replies)
Hi, We have an AIX server and have CURL 7.40 installed in it.
We are struggling to perform checksum on the file present on the remote server (AWS). We want to validate the checksum on the file pre and post download to make sure that there is no issue with the file.
We are writing a shell... (0 Replies)
Hi Folks,
I need a UNIX script which will copy files(Table wise) from source directory to destination directory (Under table directory) and also creates 2 additional files after getting copied to destination directory with extension .pdy and .ldy , . pdy file will be zero byte file should get... (4 Replies)
Discussion started by: Nicks1412
4 Replies
LEARN ABOUT REDHAT
cksum
cksum(n) cksum cksum(n)
NAME
cksum - calculate a cksum(1) compatible checksum
SYNOPSIS
package require Tcl 8.2
package require cksum ?1.0?
::crc::cksum ?-format format? message
::crc::cksum ?-format format? -filename file
DESCRIPTION
This package provides a Tcl-only implementation of the cksum(1) algorithm based upon information provided at in the GNU implementation of
this program as part of the GNU Textutils 2.0 package.
COMMANDS
::crc::cksum ?-format format? message
::crc::cksum ?-format format? -filename file
The command takes string data or a file name and returns a checksum value calculated using the cksum(1) algorithm. The result is
formatted 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::cksum "Hello, World!"
2609532967
% crc::cksum -format 0x%X "Hello, World!"
0x9B8A5027
% crc::cksum -file cksum.tcl
1828321145
SEE ALSO
sum(n), crc32(n)
AUTHORS
Pat Thoyts
KEYWORDS
cksum, checksum, crc, crc32, cyclic redundancy check, data integrity, security
crc 1.0 cksum(n)