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428 lines
6.9 KiB
PHP
428 lines
6.9 KiB
PHP
--TEST--
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Test fseek(), ftell() & rewind() functions : usage variations - all w and x modes, default whence
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--SKIPIF--
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<?php
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if( substr(PHP_OS, 0, 3) == "WIN" )
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die("skip.. Not valid for Windows");
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?>
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--FILE--
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<?php
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// include the file.inc for common functions for test
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include ("file.inc");
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/* Testing fseek(),ftell(),rewind() functions
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1. All write and create with write modes
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2. Testing fseek() without using argument whence
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*/
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echo "*** Testing fseek(), ftell(), rewind() : default whence & all w and x modes ***\n";
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$file_modes = array( "w","wb","wt","w+","w+b","w+t",
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"x","xb","xt","x+","x+b","x+t");
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$file_content_types = array( "text_with_new_line","alphanumeric");
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$offset = array(-1, 0, 1, 513); // different offsets, including negative and beyond size
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$filename = __DIR__."/fseek_ftell_rewind_variation2.tmp"; // this is name of the file created by create_files()
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/* open the file using $files_modes and perform fseek(),ftell() and rewind() on it */
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foreach($file_content_types as $file_content_type){
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echo "\n-- File having data of type ". $file_content_type ." --\n";
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foreach($file_modes as $file_mode) {
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echo "-- File opened in mode ".$file_mode." --\n";
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$file_handle = fopen($filename, $file_mode);
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if (!$file_handle){
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echo "Error: failed to fopen() file: $filename!";
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exit();
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}
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$data_to_be_written="";
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fill_buffer($data_to_be_written, $file_content_type, 512); //get the data of size 512
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$data_to_be_written = $data_to_be_written;
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fwrite($file_handle,$data_to_be_written);
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rewind($file_handle);
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echo "-- Testing fseek() without using argument whence --\n";
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foreach($offset as $count){
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var_dump( fseek($file_handle,$count) );
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var_dump( ftell($file_handle) ); // confirm the file pointer position
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var_dump( feof($file_handle) ); //ensure that file pointer is not at end
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} //end of offset loop
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//close the file and check the size
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fclose($file_handle);
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var_dump( filesize($filename) );
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delete_file($filename); // delete file with name
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} //end of file_mode loop
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} //end of file_content_types loop
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echo "Done\n";
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?>
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--EXPECT--
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*** Testing fseek(), ftell(), rewind() : default whence & all w and x modes ***
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-- File having data of type text_with_new_line --
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-- File opened in mode w --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode wb --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode wt --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode w+ --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode w+b --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode w+t --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode xb --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode xt --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x+ --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x+b --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x+t --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File having data of type alphanumeric --
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-- File opened in mode w --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode wb --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode wt --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode w+ --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode w+b --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode w+t --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode xb --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode xt --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x+ --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x+b --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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-- File opened in mode x+t --
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-- Testing fseek() without using argument whence --
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int(-1)
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int(0)
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bool(false)
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int(0)
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int(0)
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bool(false)
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int(0)
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int(1)
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bool(false)
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int(0)
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int(513)
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bool(false)
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int(512)
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Done
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