The read Function (fread) : file read « File « Perl

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Perl » File » file read

The read Function (fread)


     



#Format



#read(FILEHANDLE, SCALAR, LENGTH, OFFSET);

#read(FILEHANDLE, SCALAR, LENGTH);



open(PASSWD, "/etc/passwd") || die "Can't open: $!\n";

$bytes=read (PASSWD, $buffer, 50);

print "The number of bytes read is $bytes.\n";

print "The buffer contains: \n$buffer";

Related examples in the same category

1.	Read file content to a scalar variable
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4.	Read line splitted by space
5.	Read only the last file line from a text file
6.	Read the first line of a local file
7.	Read till the end of the file
8.	Reading More than One Line
9.	Reading a directory all at once with an array: Use an array with the readdir command, instead of a scalar variable
10.	Reading from a Pipe
11.	Reading from a file
12.	Reading from the Filehandle
13.	Reading one line from the file handle STDIN.
14.	Reading the contents of a directory: change to that directory and then use the glob command
15.	Reads an entire input file into an array.
16.	Reads lines from a file and prints them.
17.	Using read function in while loop
18.	Using read function to read a file
19.	The read Function reads a number of bytes into a variable from a filehandle.
20.	Contents of the entire file are printed
21.	Numbering Lines
22.	To read a number of bytes from a file: $bytes_read = read(filehandle, $var, $length, $offset);
23.	To read from a file:

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