0360. alert.log를 nawk사용하여 시간-라인넘버-명령어 순으로 출력하기

원 포맷 : 시간한줄 다음줄에 명령어 순으로 출력됨 Thu Feb  9 20:50:01 2006 alter rollback segment R04 shrink Completed: alter rollback segment R04 shrink Thu Feb  9 20:50:01 2006 alter rollback segment R05 shrink Completed: alter rollback segment R05 shrink Thu Feb  9 20:50:01 2006 alter rollback segment R06 shrink   요구사항 : 시간 - 라인넘버 - 명령어 순이 한줄이 되도록 출력   소스 : #!/bin/ksh   read readfile?"Input file name : " nawk '/begin backup/ || /end backup/ {print NR, $0}' $readfile > ${readfile}.tmp   while read line do  str=`echo $line | nawk '{print $1}'`  str1=`echo $line`  str2=`expr $str - 1`  #print $str1  #nawk '{print $0}' alert.log  rst=`nawk '{ if(NR == '$str2') {print $0}}' $readfile`  print $rst $str1 done < ${readfile}.tmp | tee ${readfile}.rst.log   결과 : Thu Feb 9 20:36:47 2006 337 Completed: alter tablespace IDX_AR_12 begin backup Thu Feb 9 20:36:59 2006 339 alter tablespace IDX_BILL_P_01 begin backup Thu Feb 9 20:37:16 2006 341 Completed: alter tablespace IDX_BILL_P_01 begin backup Thu Feb 9 20:37:33 2006 343 alter tablespace IDX_JOB_01 end backup