题解 | #格式化输出#
格式化输出
http://www.nowcoder.com/practice/d91a06bfaff443928065e611b14a0e95
awk '{
l=length($0)
f=l%3
for (i=1;i<=l;i++){
printf substr($0,i,1)
if((i-f)%3==0 && i!=l)
printf ","
}
print ""
}' nowcoder.txt
格式化输出
http://www.nowcoder.com/practice/d91a06bfaff443928065e611b14a0e95
awk '{
l=length($0)
f=l%3
for (i=1;i<=l;i++){
printf substr($0,i,1)
if((i-f)%3==0 && i!=l)
printf ","
}
print ""
}' nowcoder.txt
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