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Doc fixes #22974

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Feb 10, 2025
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Doc fixes #22974

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11 changes: 11 additions & 0 deletions pod/perlfunc.pod
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Original file line number Diff line number Diff line change
Expand Up @@ -9572,6 +9572,17 @@ the string. A positive OFFSET greater than the length of SCALAR
results in the string being padded to the required size with C<"\0">
bytes before the result of the read is appended.

open(my $FH, "<", "input.txt") or die("Cannot open file: $!");

my $buf = "";
my $num = 0;

# Read up to 64 bytes
$num = sysread($FH, $buf, 64);

# Read up to 32 bytes into position 512 of $buf
$num = sysread($FH, $buf, 32, 512);

There is no syseof() function, which is ok, since
L<C<eof>|/eof FILEHANDLE> doesn't work well on device files (like ttys)
anyway. Use L<C<sysread>|/sysread FILEHANDLE,SCALAR,LENGTH,OFFSET> and
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