Created
October 5, 2010 21:49
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| | $f = new IO::File "test-dat.txt", "r+"; | |
| | | |
| open("test-dat.txt",O_RDWR,00) = 3 (0x3) | |
| ioctl(3,TIOCGETA,0xbfbfe6d0) ERR#25 'Inappropriate ioctl for device' | |
| lseek(3,0x0,SEEK_CUR) = 0 (0x0) | |
| fstat(3,{ mode=-rw-r----- ,inode=6335544,size=12,blksize=16384 }) = 0 (0x0) | |
| fcntl(3,F_SETFD,FD_CLOEXEC) = 0 (0x0) | |
| | | |
| | read $f, $s, 2; | |
| | | |
| read(3,"0123456789##",4096) = 12 (0xc) | |
| lseek(3,0x2,SEEK_SET) = 2 (0x2) | |
| | | |
| | print $f "x"; | |
| | print $f "y"; | |
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| lseek(3,0x0,SEEK_CUR) = 2 (0x2) | |
| write(3,"xy",2) = 2 (0x2) | |
| | | |
| | read $f, $s, 4; | |
| | | |
| read(3,"456789##",4096) = 8 (0x8) | |
| lseek(3,0x8,SEEK_SET) = 8 (0x8) | |
| | | |
| | print $f "zz"; | |
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| lseek(3,0x0,SEEK_CUR) = 8 (0x8) | |
| write(3,"zz",2) = 2 (0x2) | |
| | | |
| | read $f, $s, 2; | |
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| read(3,"##",4096) = 2 (0x2) | |
| close(3) = 0 (0x0) |
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"test-dat.txt" の内容はきっちり12バイト "0123456789##"