06-05-2013
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Issue:
i have variable A which is an alias for variable B which is equal to "THIS IS A TEST"
when every i echo variable A i only get the alias name for variable B, NOT the contents of variable B.
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THIS IS A TEST
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echo "$previous_tmp$i"
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YPXFR(8) BSD System Manager's Manual YPXFR(8)
NAME
ypxfr -- get a YP map from YP server
SYNOPSIS
ypxfr [-bcf] [-d domain] [-h host] [-s domain] [-C tid prog ipadd port] mapname
DESCRIPTION
ypxfr is the utiliy in YP that transfers maps to the local host.
Since the YP master transfers a map when it has changed, an YP slave should check for missed maps regulary. This can be done via an entry in
crontab(5). The scripts ypxfr_1perhour, ypxfr_2perday and ypxfr_1perday could be used for that.
The options are as follows:
-b Preserve the entry in the database informing a YP server to use DNS to get information about unknown hosts. This option will only
have effect on the two maps hosts.byname and hosts.byaddr.
-c Don't send a "Clear current map" to local ypserv process. Useful if ypserv isn't running localy to avoid timeout message.
-f Force map transfer, even if version of master is older than local copy.
-d domain
Don't use default domain, use the specifiyed domain.
-h host
Get map from host insteed of the maps master host.
-s domain
Specify a source domain other than the target domain.
-C tid prog ipadd port
This option is only used by ypserv. This is to open communication with an yppush on another host.
FILES
/usr/sbin/ypxfr_1perhour
/usr/sbin/ypxfr_2perday
/usr/sbin/ypxfr_1perday
SEE ALSO
yp(8), yppush(8), ypserv(8)
AUTHOR
Mats O Jansson <moj@stacken.kth.se>
BSD
August 18, 1994 BSD