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我在 shell 脚本中运行 awk 命令,它破坏了数据文件。所有数据都不会加载,并且每行末尾都有一个换行符。

awk -v name="$filename" -v batch="$BATCHNAME" -F'|' 'BEGIN{OFS="|"}{$2=batch;print > (name".locked.concur")}' $filename.locked.concur

如果我将其作为命令运行,它会完美运行。

我刚刚发现我可以使用 fflush() 并且它似乎已经解决了这个问题。

所以现在我有:

awk -v name="$filename" -v batch="$BATCHNAME" -F'|' 'BEGIN{OFS="|"}{$2=batch;print > (name".locked.concur") fflush()}' $filename.locked.concur

我是在为灾难做好准备吗?

此外,该文件被重命名为 $filename.locked.concur0 - 我猜这个零是从 fflush 返回的退出代码?我如何摆脱这个0?

完整代码:

for filename in `cat ${INFILEDIR}/file_list_concur`

do

rm -f $OHAP_DAT/bad/$filename.bad

##Create Batchname based on filename

BATCH_GROUP=`ls $filename.locked.concur |cut -d '_' -f 1`
BATCH_DATE=`ls $filename.locked.concur |cut -d '_' -f 2`
BATCHNAME=${BATCH_GROUP}_Concur_${BATCH_DATE}

echo 'Batch Date = '$BATCH_DATE
echo 'Batch Group = '$BATCH_GROUP
echo 'Batch Name = '$BATCHNAME
echo 'File Name = ' $filename

gawk -v name="$filename" -v batch="$BATCHNAME" -F'|' 'BEGIN{OFS="|"}{$2=batch;print > (name".locked.concur");}' $filename.locked.concur


##End Batchname

sqlldr $ORACLE_PW control=$XXOH_TOP/bin/XXOH_AP_CONCUR_IMPORT_CTL.ctl \
              data=$OHAP_DAT/in/$filename.locked.concur \
              log=$OHAP_DAT/log/$filename.log \
              bad=$OHAP_DAT/bad/$filename.bad \
                bindsize=512000 << end_of_sqlldr
end_of_sqlldr

if [ -f $OHAP_DAT/bad/$filename.bad ]
then
  echo \!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  echo \!! 'date'
  echo \!! SQL*Loader bad file was found!!
  echo \!! Script $filename Failed - BAD FILE!
  echo \!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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1 回答 1

1

问题确实是您正在读取和写入同一个文件。这应该会更好:

gawk ... print > (name".locked.concur.tmp")}' $filename.locked.concur
mv -f $filename.locked.concur.tmp $filename.locked.concur

更好的是:

gawk ... print}' $filename.locked.concur > $filename.locked.concur.tmp
mv -f $filename.locked.concur.tmp $filename.locked.concur
于 2016-05-12T23:13:01.387 回答