- 498 名前：名無しさん＠お腹いっぱい。 mailto:sage [2021/11/03(水) 10:06:32.55 .net]
- $ time sh smf1.sh
real 0m4.088s
user 0m2.324s
sys 0m3.803s
$ cat smf1.sh
#!/bin/sh
SMF=/tmp/xxx
[ ! -x $SMF ] && { cc -x c - -o $SMF << 'EOS'
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char *argv[])
{
const size_t BUFFER_SIZE = 1024 * 1024 + 1;
char *buffer = (char *)malloc(BUFFER_SIZE);
while (fgets(buffer, BUFFER_SIZE, stdin) != NULL) {
char *ep = buffer + strlen(buffer) - 1;
if (ep >= buffer && *ep == '\n')
*ep = '\0';
if (buffer[0] == '\0')
putc('\n', stdout);
else
printf("%s ", buffer);
}
return 0;
}
EOS
[ $? -ne 0 ] && exit 1; }
$SMF < aaa | grep '\<1414213\>' | tr ' ' '\n'
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