Listing 1: UNIX System

#!/bin/ksh
#
# Class:    UnixSystem
####################################################################
ObjectId=$1
LTYPE=$(uname)
case $LTYPE in
SunOS|HP-UX)    RCMD=remsh    ;;
AIX|Linux)    RCMD=rsh    ;;
esac
### _GetUsers () ###################################################
eval "${ObjectId}_GetUsers()    {
print \$(\$RCMD $ObjectId 'w|wc -l')
}"
### _GetDiskUsage() ################################################
eval "${ObjectId}_GetDiskUsage() {
if [[ \$# = \"1\"|| \$# = \"0\" ]]; then
HIGHDISK=\${1:-90}
${ObjectId}_GetDiskUsage \$($RCMD $ObjectId \
                                    'bdf||df -k' 2>/dev/null)
else
## now we have args
shift 7;((x=0))
while [[ \$1 != \"\" ]]; do
${ObjectId}_DEVICE[x]=\$1
${ObjectId}_MOUNTP[x]=\$6
${ObjectId}_PUSED[x]=\${5%%\%}
if (( ${ObjectId}_PUSED[x] > \$HIGHDISK ));then
eval ${ObjectId}_DEVICE[x]="!"\${${ObjectId}_DEVICE[x]}
fi
((x=x+1))
shift 6
done
${ObjectId}_TOTALDEVS=\$x
fi
}"
### _ShowDiskUsage() ###############################################
eval "${ObjectId}_ShowDiskUsage() {    ((x=0))
while (( x < \$${ObjectId}_TOTALDEVS )); do
eval print -n \"${ObjectId}: \${${ObjectId}_DEVICE[x]}\";
eval print -n \"\  MOUNT: \${${ObjectId}_MOUNTP[x]}\";
eval print \"\  USED: \${${ObjectId}_PUSED[x]}\";
((x=x+1))
done
}"
### _GetLoad() #####################################################
eval "${ObjectId}_GetLoad()    {
LoadString=\$($RCMD $ObjectId 'uptime')
LoadString=\${LoadString##*:}
print \$LoadString    ## Write to STDOUT
## now set numeric variable
${ObjectId}_LAVG=\${LoadString%%,*}
}"
### _GetWindow() ###################################################
eval "${ObjectId}_GetWindow()    { ARGS=\$1
if [[ \$ARGS = \"\" ]]; then
ARGS=\"/bin/ksh\"
fi
eval $RCMD $ObjectId \\
'/usr/bin/X11/xterm -display \$DISPLAY -exec \$ARGS'
}"

# End of File