Hi
I want to read messages from multiple interfaces using one select() statement. Does anybody knows if I can specify multiple fds in the *readfds parameter? If yes, what's the max num of fds?
Something like the following:
fd_set descrSet = {0};
int retVal;
MyStructS *msg = NULL;
... (1 Reply)
Hello all,
I'm developing a deployment script at work and at one point it would need to display something like this:
Which version of ADMIN would you like to deploy?
1) 1.0.0 (store1, 10 Jan 2004)
2) 1.0.1 (store1, 20 Jun 2004)
3) 1.0.2 (store1, 15 Jul 2004)
Select a version :
I know... (5 Replies)
How do I create a script that provides a count of distinct values of a particular field in a file utilizing commonly available UNIX commands (sh or awk)?
Field1|Field2|Field3|Field4
AAA|BBB|CCC|DDD
111|222|333|777
AAA|EEE|ZZZ|EEE
111|555|333|444
AAA|EEE|CCC|DDD
111|222|555|444
For... (2 Replies)
Hi all,
Before I give up on using SELECT for my first attempt at creating a menu driven script, can anyone please advise if it is possible to include a line break for PS3, I've tried putting in a \n and it does not work.
Tried for both bash and ksh and both gives the same result. Preference... (3 Replies)
Hi All
I am using the below code to chose a file to view :
PS3="Select file to view : "
select FILE in `ls` QUIT
do
if ; then
clear
cat $FILE
else
break
fi
REPLY=''
done
Everything works fine as long as I am giving the correct choice .
But when i give a... (4 Replies)
I copied the below program to play around with displaying a list of items using the select command in ksh. When I put all items in the same line, it works fine. I am trying to use multiple lines instead of a single row...my list is too large for a single line. How do I get the line continuation... (3 Replies)
I have about 6000 files of the following format (three simplified examples shown; actual files have variable numbers of columns, but the same number of lines). I would like to concatenate the ID (*Loc*) and data lines, but not the others, as shown below. The result would be one large file (or... (3 Replies)
Hello,
I'm attempting to open multiple xterms and run a command as an SAP user via sudo using PSSH. So far, I'm able to run PSSH to a file of servers with no check for keys, open every xterm in to the servers in the file list, and SUDO to the SAP(ADM) user, but it won't do anything else... (11 Replies)
select.h(3HEAD) Headers select.h(3HEAD)NAME
select.h, select - select types
SYNOPSIS
#include <sys/select.h>
DESCRIPTION
The <sys/select.h> header defines the timeval structure, which includes the following members:
time_t tv_sec /* seconds */
suseconds_t tv_usec /* microseconds */
The time_t and suseconds_t types are defined as described in <sys/types.h>. See types.h(3HEAD).
The sigset_t type is defined as described in signal.h(3HEAD).
The timespec structure is defined as described in <time.h>. See time.h(3HEAD).
The <sys/select.h> header defines the fd_set type as a structure.
The following is defined as a macro:
FD_SETSIZE Maximum number of file descriptors in an fd_set structure.
Inclusion of the <sys/select.h> header can make visible all symbols from the headers <signal.h>, <sys/time.h>, and <time.h>.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
SEE ALSO select(3C), signal.h(3HEAD), time.h(3HEAD), types.h(3HEAD), attributes(5), standards(5)SunOS 5.10 10 Sep 2004 select.h(3HEAD)