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Code: Alles auswählen

while True:
   try:
       v = int(raw_input())
   except ValueError:
       pass
   else:
       if v == 42:
         break
       print v 

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Python 2.7 (r27:82500, Mar  7 2011, 20:44:27) 
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
Welcome to rlcompleter2 0.98
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>>> while True:
...    try:
...        v = int(raw_input())
...    except ValueError:
...        pass
...    else:
...        if v == 42:
...          break
...        print v
... 
10
10
20
20
30
30
50
50
oeusath
42
>>> 

Code: Alles auswählen

import sys

for line in sys.stdin:
    number = int(line)
    if number == 42:
        break
    print number

Code: Alles auswählen

#include <stdio.h>

int main() {

    char line[4];
    int number;

    while (fgets(line, 4, stdin) != NULL) {
        number = atoi(line);
        if (number == 42) break;
        printf("%d\n", number);
    }

    return 0;
}

Code: Alles auswählen

#include <stdio.h>
#include <string.h>

int main(void) {
    char input[4];

    while (fgets(input, 4, stdin) && strcmp(input, "42\n"))
        fputs(input, stdout);
}

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from sys import stdin
from itertools import takewhile

print(''.join(takewhile(lambda x: x != '42\n', stdin)), end='')

Code: Alles auswählen

for line in iter(sys.stdin.readline, '42\n'):
    sys.stdout.write(line)