是否有办法将空间特性替换为0的印刷粉碎片,用于现场宽度
现行法规
printf("%010s","this");
似乎为扼杀而努力!
是否有办法将空间特性替换为0的印刷粉碎片,用于现场宽度
现行法规
printf("%010s","this");
似乎为扼杀而努力!
事实上,<代码>0只注明数字换算。 你们必须亲自这样做:
int print_padleftzeroes(const char *s, size_t width)
{
size_t n = strlen(s);
if(width < n)
return -1;
while(width > n)
{
putchar( 0 );
width--;
}
fputs(s, stdout);
return 0;
}
内容
test="ABCD"
printf "%0$(expr 9 - ${#test})d%s" 0 $test
这将给你必要的东西。
~:00000ABCD
或者,你想要补充其他数字,只是改动。
printf "%0$(expr 9 - ${#test})d%s" 1 $test
页: 1
~:11111ABCD
为此:
printf("%010d%s", 0, "this");
a. 前往大地审判(可翻译成C):
str := "this"
printf("0000000000"[:10-len(str)] + str)
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