Remove Line Numbers
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Remove Line Numbers (you can use RLN for short), is a joke esolang created by User:None1.
Syntax
RLN's syntax is:
<line-number><spaces><text>
Line number must be a positive decimal integer, and represents exactly the line number of the text. For example:
1 a
is correct, but
-1 a
0x0f a
4.5 a
2 a
are all incorrect.
Note that text can be empty.
Execution
When running, the interpreter/compiled executable simply removes all the line numbers from its source code and prints all the text.
Example Programs
Hello World:
1 Hello World!
Interpreters
C++ as Windows executable (64bit) (faster link)
#include<cstdio>
#include<cstdlib>
char line[1000000];
int Gets(char *line){
int i=0,flag=0;
while(1){
char c=getchar();
if(c==EOF||c=='\n') line[i]=0;
if(c==EOF) return EOF;
if(c=='\n') return 0;
if(c!=' ') flag=1;
if(!flag) continue;
line[i]=c;
i++;
}
}
void error(){
puts("Invalid syntax");
exit(1);
}
#define gets Gets
int main(){
int l=0;
while(1){
l++;
int x=-1;
if(scanf("%d",&x)==EOF) break;
if(x!=l) error();
gets(line);
puts(line);
}
return 0;
}