genemprep.sh

一个awk和bsh混合编程的例子

REPORT_FILE_NAME=REP6_716_20080625092336_1
#USER_ID=1355VPN
#REQUEST_ID=7
ATTRIBUTES="\$FDN:userlabel"

	if [ -f "$REPORT_FILE_NAME" ]; then
	{
		OLD_REPORT_FILE=$REPORT_FILE_NAME.rt;
		cp $REPORT_FILE_NAME $OLD_REPORT_FILE;
		
		awk '{
			if ( $0 ~ /^!RECORD_DESCRIPTION=\{.*\}/ )
			{
				printf "!RECORD_DESCRIPTION={";
				printf attrs;
				printf "}\n";
				printf "!<EOF>\n";
				exit;
			}
			else
			{
				printf "%s\n", $0;
			}
		}' attrs=$ATTRIBUTES $OLD_REPORT_FILE > $REPORT_FILE_NAME
	}
	else
	{
		if [ -z "$USER_ID" -o -z "$REQUEST_ID" ]; then
			echo "ERROR: user_id or request_id is empty";
			exit 1;
		fi
		
		file_time=`echo "$REPORT_FILE_NAME"|awk -F"_" '{printf "%s\n",$3;}'`;
		
		echo '#*** Retrieve Data generated by ISN Agent ***' >> $REPORT_FILE_NAME;
		echo "!USER_ID=$USER_ID" >> $REPORT_FILE_NAME;
		echo "!REQUEST_ID=$REQUEST_ID" >> $REPORT_FILE_NAME;
		echo "!START_TIME=$file_time" >> $REPORT_FILE_NAME;
		echo "!END_TIME=$file_time" >> $REPORT_FILE_NAME;
		echo "!RECORD_NUM=0" >> $REPORT_FILE_NAME;
		echo "#***********" >> $REPORT_FILE_NAME;
		echo "!RECORD_DESCRIPTION={$ATTRIBUTES}" >> $REPORT_FILE_NAME;
		echo "!<EOF>" >> $REPORT_FILE_NAME;
	}
	fi