fread

warning

This function starts with lowercase letter.

คำอธิบาย

Read a single line from a file.

Name	Description
handle	The handle of the file to read from (returned by fopen).
string	A string array to store the read text in, passed by reference.
size	The number of bytes to read.
pack	Should the string be packed? True/false.

ส่งคืน

The length of string (the read text) as an integer.

ตัวอย่าง

// Open "file.txt" in "read only" mode
new File:handle = fopen("file.txt", io_read),

    // Initialize "buf"
    buf[128];

// Check, if the file is opened
if (handle)
{
    // Success

    // Read the whole file
    while(fread(handle, buf)) print(buf);

    // Close the file
    fclose(handle);
}
else
{
    // Error
    print("The file \"file.txt\" does not exists, or can't be opened.");
}
// Open "file.txt" in "read and write" mode
new File:handle = fopen("file.txt"),

    // Initialize "buf"
    buf[128];

// Check, if file is open
if (handle)
{
    // Success

    // Read the whole file
    while(fread(handle, buf)) print(buf);

    // Set the file pointer to the first byte
    fseek(handle, _, seek_begin);

    // Write "I just wrote here!" into this file
    fwrite(handle, "I just wrote here!");

    // Close the file
    fclose(handle);
}
else
{
    // Error
    print("The file \"file.txt\" does not exists, or can't be opened.");
}

บันทึก

warning

Using an invalid handle will crash your server! Get a valid handle by using fopen or ftemp.

ฟังก์ชั่นที่เกี่ยวข้องกัน

• fopen: Open a file.
• fclose: Close a file.
• ftemp: Create a temporary file stream.
• fremove: Remove a file.
• fwrite: Write to a file.
• fread: Read a file.
• fputchar: Put a character in a file.
• fgetchar: Get a character from a file.
• fblockwrite: Write blocks of data into a file.
• fblockread: Read blocks of data from a file.
• fseek: Jump to a specific character in a file.
• flength: Get the file length.
• fexist: Check, if a file exists.
• fmatch: Check, if patterns with a file name matches.