<font><font face="comic sans ms,sans-serif">I created a simple file with just full of spaces and has size 1MB. Then I opened it and read it using READ-LINE. It takes more than 1 minutes !!! <br><br>CL-USER> (lisp-implementation-type)<br>
"Clozure Common Lisp"<br>CL-USER> (lisp-implementation-version)<br>"Version 1.8-dev-r14962-trunk (WindowsX8632)"<br><br>The time I took in READ-LINE:<br>(READ-LINE F NIL) took 67,439 milliseconds (67.439 seconds) to run <br>
with 8 available CPU cores.<br>During that period, 63,391 milliseconds (63.391 seconds) were spent in user mode<br> 2,921 milliseconds (2.921 seconds) were spent in system mode<br>23,977 milliseconds (23.977 seconds) was spent in GC.<br>
17,185,637,938 bytes of memory allocated.<br><br clear="all"></font></font> Best regards,<br>Xiaofeng Yang<br>