管理online的shell程序

												PRS Technologies, Inc. - script: check_db_access.sh																				A.CLASS1 {				background-color: #000066;				  color: white;				  letter-spacing: 0.2ex;				  font-size: 14pt;				  text-decoration: none;				}								A:hover.CLASS1 {				  background-color: #ffffcc;				  color: black;				}								-->																defaultStatus = "PRS Technologies Inc. - script: check_db_access.sh";																																      				      				      												      				      				      				       Home 				       Associates 				       References 				       Downloads 				       Elite 				       Links 				       Contact Us 				      				      				      																																																check_db_access.sh																								################################################################################				#!/usr/bin/ksh				################################################################################				#				#   Module:         check_db_access.sh				#   Author:         Peter R. Schmidt				#   Description:    Check and log access to the database				#		    Make 4 attempts per minute - each 15 seconds apart				#				#   Arguments				#				#   Argment:    -v  Interactive - display to screen - no e-mail				#				#   Change Log				#				#     Date    Name              Description.................				#   09/03/02  Peter R. Schmidt  Start Program				#				################################################################################								FG=false								for ARG				do				    case "$ARG" in				        -v) FG=true;;				    esac				done								# Set the environment								. /elite/custom/run.elite								LOGDIR=/elite/work/logs				LOGFILE=$LOGDIR/check_db_access.log				TMPFILE=/tmp/check_db_access.log								rm -f $TMPFILE								if [ ! -d $LOGDIR ]; then				    echo "Error: check_db_access.sh: Directory: $LOGDIR does not exist!"				    exit 1				fi								#-------------------------------------------------------------------------------								for TRY in 1 2 3 4	# Make 4 attempts per minute - seach 15 seconds apart				do								UDATE=`date +%m/%d/%y`				UTIME=`date +%H:%M:%S`								# Try to access the database - log failures								dbaccess son_db  $TMPFILE				EOF								if [ $? != 0 ]; then				        echo "$UDATE $UTIME Fail" >> $LOGFILE				        cat $TMPFILE >> $LOGFILE								        if [ $FG = true ]; then				                tail -1 $LOGFILE				                cat $TMPFILE				        fi				else				        echo "$UDATE $UTIME OK" >> $LOGFILE				fi								if [ $FG = true ]; then				        break				else				        sleep 15	# Make 4 attempts per minute - seach 15 seconds apart				fi								done								rm -f $TMPFILE								################################################################################																												 Home 				 Associates 				 References 				 Downloads 				 Elite 				 Links 				 Contact Us