#! /bin/shalias statdb="mysql -h 192.168.1.1 -u stat -paaa statdb"
sql="select * from abc"
echo $sql | statdb -s > abc
cat abc | awk '{...}' #此处省略400行

#! /bin/shalias statdb="mysql -h 192.168.1.1 -u stat -paaa"
sql="select * from abc"
echo $sql | statdb -s > abc
echo "" | igawk -f stat.awk -v DATA_FILE="abc"

@include lib/assert.awk
@include lib/makesql.awkBEGIN{...}
{...}
END{...} #可以复用的代码在lib下

#! /bin/shcd `dirname $0`alias statdb="/usr/local/mysql/bin/mysql -h 192.168.1.1 -u stat -paaa -A statdb"getDomain()
{item=$1ver=$2if [ -z $item ]; thenecho item is empty string!exitfisql=""if [ -z $ver ]; thensql="select domain from domain_name_list where item ='"$item"';";elsesql="select domain from domain_name_list where item ='"$item"' and ver='"$ver"';";fi#echo $sqlecho $sql | statdb -s | cat
}getDomain $*

function loadDomains(item, ver, result, __ARGVEND__)
{command = "/work/stat/read/domain/getdomain.sh "item" "verwhile(command | getline domain){result[domain]}close(command)
}BEGIN{loadDomains("shuqi","wap",SHUQIWAP)for(i in SHUQIWAP){print i}print "-------------"loadDomains("shuqi","touch",SHUQITOUCH)for(i in SHUQITOUCH){print i}
}

function query(sql, db, result, __ARGVEND__)
{command = "echo \"" sql "\" | " db " -s | cat"while(command | getline record){result[record]}close(command)
}function loadDomains(item, ver, result, __ARGVEND__)
{db  = "/usr/local/mysql/bin/mysql -h 192.168.1.1 -u stat -paaa statdb";sql = "select * from domain_name_list where item ='%s' and ver = '%s' ;"sql = sprintf(sql,item,ver)query(sql, db, result)
}BEGIN{# sql = "select domain from domain_name_list where item ='shuqi' and ver = 'wap' ;"# db  = "/usr/local/mysql/bin/mysql -h 59.151.37.16 -u ppstat -pstatpp -A statdb";# query(sql,db,result)loadDomains("shuqi","wap",result)loadDomains("sousuo","wap",result1)for(i in result1){print i}
}

wappp@ppcn-12-208:/work/stat/read/booklist> echo "" | igawk -f test.awk
89      bookw.yisou.com?        zwjf    sousuo  wap     2013-08-06 16:26:00
92      bookw3.yisou.com        zwjf    sousuo  wap     2013-08-06 16:26:00
21      a1.pp.cn        zwjf    sousuo  wap     2013-06-14 14:53:10
22      a2.pp.cn        zwjf    sousuo  wap     2013-06-14 14:53:10
101     a5.pp.cn        zwjf    sousuo  wap     2013-08-06 16:26:00
90      bookw1.yisou.com        zwjf    sousuo  wap     2013-08-06 16:26:00
93      bookw4.yisou.com        zwjf    sousuo  wap     2013-08-06 16:26:00
23      a3.pp.cn        zwjf    sousuo  wap     2013-06-14 14:53:10
19      so.pp.cn        zwjf    sousuo  wap     2013-06-14 14:53:10
35      a5.pp.cn        zwjf    sousuo  wap     2013-07-09 17:34:16
91      bookw2.yisou.com        zwjf    sousuo  wap     2013-08-06 16:26:00
20      a0.pp.cn        zwjf    sousuo  wap     2013-06-14 14:53:10
94      bookw5.yisou.com        zwjf    sousuo  wap     2013-08-06 16:26:00
wappp@ppcn-12-208:/work/stat/read/booklist>