一个awk和sed的使用示例

#!/bin/bash
function stat_cmcc_sub_file(){
if [ $# -lt 2 ]; then
echo "please input the filename of need to handle...."
return 1
fi
echo $2
#calc the gw accoding to the file name.
prov_code=`echo "$1" |cut -c -2`
gw=("yd_$prov_code")
case $prov_code in
anhui)
gw="ah"
;;
*)
;;
esac
#stat the file.
grep ',[AB]' $1|cut -f3,6 -d, |awk -F, '{OFS=" "} {print "'"$gw"'","'"$2"'",$1,$2}' |sort |uniq -c |sed 's/^[ ][ ]*//g' >"$gw".data
}

if [ $# -lt 2 ]; then
echo "usage: " $0 fn_pattern day_str
exit;
fi
date_str=$2
echo $date_str
for file in `ls $1`
do
#judge the file var is assign a valid file.
echo $file
if [ ! -f $file ]; then
echo $file is not a file.
continue
fi

stat_cmcc_sub_file $file $date_str
done
cat *data >$date_str.txt && rm *data
sqlldr wapgb/psdchg01 control=../load.ctl data=$date_str.txt