请教一个复杂问题

yinyuemi

回复 1# sukylove1314

1. echo '{gt8r5940360-9065454654454}{54354389058903654009695960565665653rteterw}{95023jgkfdjkd}' |\
   
2. awk -F '' '{for(i=1;i<=NF;i++){if($i=="}"){i++;if(t~"{}"){print gensub("{}","",1,t);break}else{t=""}}else{t=t $i};if(i==30){t=t"{}"}}}'
   
3. 54354389058903654009695960565665653rteterw
   

复制代码

sukylove1314

回复 11# yinyuemi


    牛比啊，可以用，但是看不明白

ywlscpl

回复 1# sukylove1314

1. ywlscpl@ubuntu:~$ awk -F '[}{]' -v num=28 '{n=num;for (i=1;i<=NF;i++) {n=n-(length($i)+1);if (n==0) {print "invalid num: "num;break}if (n>0&&n<=length($(i+1))) print $(i+1)}}' file
   
2. invalid num: 28
   
3. ywlscpl@ubuntu:~$ awk -F '[}{]' -v num=27 '{n=num;for (i=1;i<=NF;i++) {n=n-(length($i)+1);if (n==0) {print "invalid num: "num;break}if (n>0&&n<=length($(i+1))) print $(i+1)}}' file
   
4. invalid num: 27
   
5. ywlscpl@ubuntu:~$ awk -F '[}{]' -v num=26 '{n=num;for (i=1;i<=NF;i++) {n=n-(length($i)+1);if (n==0) {print "invalid num: "num;break}if (n>0&&n<=length($(i+1))) print $(i+1)}}' file
   
6. gt8r5940360-9065454654454

复制代码

dn833

awk -F "" '{gsub(/{}/,"");print $30}'

yinyuemi

echo '{gt8r5940360-9065454654454}{54354389058903654009695960565665653rteterw}{95023jgkfdjkd}
' |\
awk -vRS='[{]' -F '' '{t+=NF?NF:1;if(t>30&&!i++)print gensub("}","",1)}'
54354389058903654009695960565665653rteterw