Linux:Program exit with displaying a print feature
hi All
I have a scritp running which connects to a local host and then gets a value from a field and then ftp that value to antoher server. It is running fine, and from crontab it gives the output to a file, the problem is sometime it doesnt run but if i check the output file it does not show one of the print statement which is in with in the exit loop,
Not sure where it end the loop and exit out of the script, anyhelp would be very appreciated
Code:
use IPC::Open2 ;
$wmscmd = "/opt/WMS/rel/bin/wms_tl1";
my $pid = open2(\*WMSRDR, \*WMSWTR, "$wmscmd") ;
print "Trying to Connect...\n";
while (my $junk = <WMSRDR>)
{
chomp $junk ;
print "$junk\n";
`sleep 1`;
last if $junk =~ /Connected to: localhost,2361/ ;
}
print WMSWTR "swuser\n";
print WMSWTR "wmspasswd\n";
sleep(3);
print WMSWTR "RTRV-switch::WMS:C1::avgNoOfParties;\n";
while (my $result = <WMSRDR>)
{
push(@LIST,$result);
print "RES:$result\n";
if ($result =~ /avgNoOfParties=/)
{
$temp = substr($result,18);
}
last if $result =~ /avgNoOfParties=/ ;
}
chomp($temp);
$acp = substr($temp,0,-2);
print "AVG: $acp"; ----- the output file doesnt display this print even if it was not a succeful run
sleep(1);
print WMSWTR "quit\n\n";
sleep(1);
close(WMSWTR);
close(WMSRDR);
Output file: (in case of not succesful run)
Trying to Connect...
Connected to: localhost,2361
Moderator's Comments:
After 15 posts you should have mastered the arcane art of using CODE-tags for posting code or terminal output. I don't like having to clean up and suggest you do it yourself from now on. Thank you.
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LEARN ABOUT BSD
ypxfr
ypxfr(1M) System Administration Commands ypxfr(1M)NAME
ypxfr, ypxfr_1perday, ypxfr_1perhour, ypxfr_2perday - transfer NIS map from a NIS server to host
SYNOPSIS
/usr/lib/netsvc/yp/ypxfr [-c] [-f] [ -C tid prog server] [-d ypdomain] [-h host] [-s ypdomain] mapname
DESCRIPTION
The ypxfr command moves an NIS map in the default domain for the local host to the local host by making use of normal NIS services. It
creates a temporary map in the directory /var/yp/ypdomain (this directory must already exist; ypdomain is the default domain for the local
host), fills it by enumerating the map's entries, fetches the map parameters (master and order number), and loads them. It then deletes any
old versions of the map and moves the temporary map to the real name.
If run interactively, ypxfr writes its output to the terminal. However, if it is started without a controlling terminal, and if the log
file /var/yp/ypxfr.log exists, it appends all its output to that file. Since ypxfr is most often run from the privileged user's crontab
file, or by ypserv, the log file can retain a record of what was attempted, and what the results were.
For consistency between servers, ypxfr should be run periodically for every map in the NIS data base. Different maps change at different
rates: a map might not change for months at a time, for instance, and can therefore be checked only once a day. Some maps might change sev-
eral times per day. In such a case, you might want to check hourly for updates. A crontab(1) entry can be used to automatically perform
periodic updates. Rather than having a separate crontab entry for each map, you can group commands to update several maps in a shell
script. Examples (mnemonically named) are in /usr/sbin/yp: ypxfr_1perday, ypxfr_2perday, and ypxfr_1perhour.
Refer to ypfiles(4) for an overview of the NIS name service.
OPTIONS -c Do not send a "Clear current map" request to the local ypserv process. Use this flag if ypserv is not running
locally at the time you are running ypxfr. Otherwise, ypxfr complains that it cannot communicate with the local
ypserv, and the transfer fails.
-f Force the transfer to occur even if the version at the master is not more recent than the local version.
-C tid prog server This option is for use only by ypserv. When ypserv starts ypxfr, it specifies that ypxfr should call back a yppush
process at the host server, registered as program number prog, and waiting for a response to transaction tid.
-d ypdomain Specify a domain other than the default domain.
-h host Get the map from host, regardless of the master. If host is not specified, ypxfr asks the NIS service for the name
of the master, and tries to get the map from there. host must be a valid host name.
-s ypdomain Specify a source domain from which to transfer a map that should be the same across domains.
FILES
/var/yp/ypxfr.log Log file
/usr/lib/netsvc/yp/ypxfr_1perday Script to run one transfer per day, for use with cron(1M)
/usr/lib/netsvc/yp/ypxfr_2perday Script to run two transfer per day, for use with cron(1M)
/usr/lib/netsvc/yp/ypxfr_1perhour Script for hourly transfers of volatile maps
/var/yp/ypdomain NIS domain
/usr/spool/cron/crontabs/root Privileged user's crontab file
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
ypxfr Only
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnisu |
+-----------------------------+-----------------------------+
ypxfr_1perday, ypxfr_1perhour, and ypxfr_2perday
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWypu |
+-----------------------------+-----------------------------+
SEE ALSO crontab(1), cron(1M), ypinit(1M), yppush(1M), ypserv(1M), ypfiles(4), attributes(5)SunOS 5.10 11 Mar 1998 ypxfr(1M)
08-24-2010
