bash 循环 算术计算 读写文件
[root@hadoop2 ~]# sh looh.sh
1
2
3
4
LIZ
1 2 3 4
0
1
2
3
4
5
6
7
8
9
10
0
games:x:12:100:games:/usr/games:/sbin/nologin
12
ok
0
rpc:x:32:32:Rpcbind
24
ok
0
saslauth:x:499:76:Saslauthd
36
ok
0
OProfile:/home/oprofile:/sbin/nologin
48
ok
58
[root@hadoop2 ~]# cat looh.sh
for n in 1 2 3 4
do
echo $n
done
echo 'LIZ'
for n in "1 2 3 4"
do
echo $n
done
var0=0
limit=10
while [ "$var0" -le "$limit" ]
do
echo " $var0 "
var0=$((var0+1))
done
loop_c=0
loop_step=12
loop_tag=0
for LINE in `cat /etc/passwd`
do
loop_c=$((loop_c+1))
loop_tag=$((loop_c%loop_step))
if [ $loop_tag -eq 0 ]
then
echo $loop_tag
echo $LINE
echo $loop_c
echo 'ok'
else
continue
fi
done
echo $loop_c
echo
exit 0
[root@hadoop2 ~]#
loop_c=0
loop_step=10000
loop_tag=0
str_head='{"delete":{"_index":"direct_vote","_type":"kwaddress","_id":"'
str_foot='"}}'
for LINE in `cat /etc/passwd`
do
loop_c=$((loop_c+1))
loop_tag=$((loop_c%loop_step))
echo ${str_head}$LINE${str_foot} >> bash.url.txt
echo $loop_tag
echo $loop_c
echo ${str_head}$LINE${str_foot}
if [ $loop_tag -eq 0 ]
then
echo '' > bash.url.txt
#curl www.baidu.com
else
continue
fi
done
echo $loop_c
echo
exit 0
[root@hadoop2 ~]# cat looh.sh loop_c=0 loop_step=10001 loop_tag=0 str_head='{"delete":{"_index":"direct_vote","_type":"kwaddress","_id":"' str_foot='"}}' bulk_file=bulk.del.es.json log_file=bulk.del.es.json.log echo '' > $bulk_file for LINE in `cat /root/chk_url_404_pure_url_small_150000.txt` do loop_c=$((loop_c+1)) loop_tag=$((loop_c%loop_step)) echo ${str_head}$LINE${str_foot} >> $bulk_file echo $loop_c if [ $loop_tag -eq 0 ] then echo $loop_c curl -XPOST hadoop2:9200/_bulk --data-binary @$bulk_file >> $log_file sleep 90s echo '' > $bulk_file else continue fi done echo $loop_c curl -XPOST hadoop2:9200/_bulk --data-binary @$bulk_file >> $log_file echo exit 0 [root@hadoop2 ~]#