[英]Bash - Looping Through the File
I am trying to run a simple loop through all files script but it's giving me a not spected result.我正在尝试通过所有文件脚本运行一个简单的循环,但它给了我一个意想不到的结果。
I'm using a user config file to loop content (example.conf).我正在使用用户配置文件来循环内容(example.conf)。
datasetA1 datasetB1 datasetC1
datasetA2 datasetB2 datasetC2
datasetA3 datasetB3 datasetC3
datasetA4 datasetB4 datasetC4
Script:脚本:
#!/bin/bash
ramal=`cat /data/user/example.conf | awk '{ print $1 }'`
name=`cat /data/user/example.conf | awk '{ print $2 }'`
macid=`cat /data/user/example.conf | awk '{ print $3 }'`
for ramais in ${ramal}; do
for names in ${name}; do
for idmacs in ${macid}; do
echo "
[account]
path = /config/voip/sipAccount0.cfg
Enable = 1
Label = ${names}
DisplayName = ${names}
AuthName = ${ramais}
UserName = ${ramais}
password = ${ramais}
" > 001565${idmacs}.cfg
echo " "
echo "**** ${ramais} Nome ${names} Mac ${îdmacs} success provisioned ***** "
done
done
done
Result:结果:
001565datasetC1.cfg 001565datasetC1.cfg
[account]
path = /config/voip/sipAccount0.cfg
Enable = 1
Label = datasetB1
DisplayName = datasetB1
AuthName = datasetA1
UserName = datasetA1
password = datasetA1
001565datasetB1.cfg 001565数据集B1.cfg
[account]
path = /config/voip/sipAccount0.cfg
Enable = 1
Label = datasetB1
DisplayName = datasetB1
AuthName = datasetA1
UserName = datasetA1
password = datasetA1
Expected预期的
001565datasetC1.cfg 001565datasetC1.cfg
[account]
path = /config/voip/sipAccount0.cfg
Enable = 1
Label = datasetB1
DisplayName = datasetB1
AuthName = datasetA1
UserName = datasetA1
password = datasetA1
001565datasetC2.cfg 001565数据集C2.cfg
[account]
path = /config/voip/sipAccount0.cfg
Enable = 1
Label = datasetB2
DisplayName = datasetB2
AuthName = datasetA2
UserName = datasetA2
password = datasetA2
Nested loops give you the cartesian product.嵌套循环为您提供笛卡尔积。 You need just one loop that reads all fields in a line at once:
您只需要一个循环来一次读取一行中的所有字段:
while read -r ramais names idmacs
# insert you echo commands here
echo "example: $ramais, $names, $idmacs"
done < /data/user/example.conf
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