题解 | #格式化输出#
格式化输出
https://www.nowcoder.com/practice/d91a06bfaff443928065e611b14a0e95
#!/bin/bash
awk -F '' '{
if(NF<=3){
print $0
} else {
for(j=1;j<=NF;j++){
if((NF-j)%3==0 && j!=NF){
printf("%d,",$j)
} else {
printf($j)
}
}
printf("\n")
}
}' nowcoder.txt
