传入参数如果处理

wjw870907

比如sh 1.sh  aaa bbb,ccc,ddd
如何把第二个参数分别取出？

chengchow

1. OLD_IFS=$IFS
   
2. IFS=,
   
3. for i in $(echo $2);do
   
4.     echo $i
   
5. done
   
6. IFS=$OLD_IFS
   
7. 
   
8. 
   
9. 
   
10. for i in $(echo $2| awk -F, '$1=$1');do
    
11.     echo $i
    
12. done

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echo $2 | tr \, \
echo $2 | sed 's/,/ /g'

寒枫1225

while [ $i -le $[`echo "hello,shell,split,test"|grep -o ","|wc -l`+1]
]; do  echo  "hello,shell,split,test"|cut  -f$i -d','; i=$[$i+1];done

wh7211

回复 1# wjw870907

1. cat 1.sh
   
2. #!/bin/bash
   
3. a=`echo "$2"|awk -F"," '{print $1}'`
   
4. b=`echo "$2"|awk -F"," '{print $2}'`
   
5. c=`echo "$2"|awk -F"," '{print $3}'`
   
6. echo "a is ${a}."
   
7. echo "b is ${b}."
   
8. echo "c is ${c}."
   
9. 
   
10. ./1.sh aaa bbb,ccc,ddd
    
11. a is bbb.
    
12. b is ccc.
    
13. c is ddd.

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