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Read a specific line from a file: Difference between revisions
Added PHP example
(Added Elixir implementation) |
(Added PHP example) |
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?gets(fn) -- (shows -1 if past eof)
close(fn)</lang>
=={{header|PHP}}==
<lang php><?php
$DOCROOT = $_SERVER['DOCUMENT_ROOT'];
function fileLine ($lineNum, $file) {
$count = 0;
while (!feof($file)) {
$count++;
$line = fgets($file);
if ($count == $lineNum) return $line;
}
die("Requested file has fewer than ".$lineNum." lines!");
}
@ $fp = fopen("$DOCROOT/exercises/words.txt", 'r');
if (!$fp) die("Input file not found!");
echo fileLine(7, $fp);
?></lang>
=={{header|PicoLisp}}==
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