nmon external cmd inter-os improvement

bin/nmon_external_cmd/nmon_external_snap.sh

@@ -25,9 +25,7 @@
 # CAUTION: ensure your custom command does not output any comma within the field name and value
 
 # Number of running processes
-/bin/echo "PROCCOUNT,$1,\c" >>$NMON_EXTERNAL_DIR/nmon.fifo
-ps -ef | wc -l >>$NMON_EXTERNAL_DIR/nmon.fifo
+echo "PROCCOUNT,$1,`ps -ef | wc -l`" >>$NMON_EXTERNAL_DIR/nmon.fifo
 
 # Uptime information (uptime command output)
-/bin/echo "UPTIME,$1,\c" >>$NMON_EXTERNAL_DIR/nmon.fifo
-echo "\"`uptime | sed 's/^\s//g' | sed 's/,/;/g'`\"" >>$NMON_EXTERNAL_DIR/nmon.fifo
+echo "UPTIME,$1,\"`uptime | sed 's/^\s//g' | sed 's/,/;/g'`\"" >>$NMON_EXTERNAL_DIR/nmon.fifo