The Write command compresses and writes data to a file that has been opened with FileTools[Compressed][Open].

$\mathrm{file}≔\mathrm{FileTools}\left[\mathrm{TemporaryFilename}\right]\left(\mathrm{FileTools}\left[\mathrm{JoinPath}\right]\left(\left[\mathrm{FileTools}\left[\mathrm{TemporaryDirectory}\right]\left(\right)\,''GZtest-''\right]\right)\right)$

$\mathrm{file}≔''/tmp/mpldoc1/GZtest-yYoYxV9R''$

$\mathrm{fd}≔\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{Open}\right]\left(\mathrm{file}\right)$

$\mathrm{fd}≔13506576$

$\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{Write}\right]\left(\mathrm{fd}\,''String1''\right)$

$7$

$\mathrm{data}≔\mathrm{StringTools}\left[\mathrm{ToByteArray}\right]\left(''String2''\right)$

$\mathrm{data}≔\left[\begin{array}{ccccccc}83& 116& 114& 105& 110& 103& 50\end{array}\right]$

$\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{Write}\right]\left(\mathrm{file}\,\mathrm{data}\right)$

$7$

$\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{Close}\right]\left(\mathrm{fd}\right)$

$0$

$\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{ReadFile}\right]\left(\mathrm{file}\,\mathrm{string}\right)$

$''String1String2''$

$\mathrm{FileTools}\left[\mathrm{Remove}\right]\left(\mathrm{file}\right)$

$\mathrm{zipfile}≔\mathrm{FileTools}\left[\mathrm{TemporaryFilename}\right]\left(\mathrm{cat}\left(\mathrm{FileTools}\left[\mathrm{TemporaryDirectory}\right]\left(\right)\,\mathrm{kernelopts}\left(\mathrm{dirsep}\right)\,''GZtest-''\right)\,''.zip''\right)$

$\mathrm{zipfile}≔''/tmp/mpldoc1/GZtest-bx70dpPu.zip''$

fd := FileTools[Compressed][Open]("dataOne" in zipfile,'mode'=WRITE);

$\mathrm{fd}≔0$

$\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{Write}\right]\left(\mathrm{fd}\,''String1''\right)$

$7$

$\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{Write}\right]\left(\mathrm{fd}\,''String2''\right)$

$8$

$\mathrm{FileTools}\left[\mathrm{Compressed}\right]\left[\mathrm{Close}\right]\left(\mathrm{fd}\right)$

$0$

FileTools[Compressed][ReadFile]("dataOne" in zipfile, string);

$''String1\; String2''$

$\mathrm{FileTools}\left[\mathrm{Remove}\right]\left(\mathrm{zipfile}\right)$

The FileTools[Compressed][Write] command was introduced in Maple 16.

For more information on Maple 16 changes, see Updates in Maple 16.