<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">This works:<DIV>&MOTION</DIV><DIV> &MD</DIV><DIV> ENSEMBLE NVE</DIV><DIV> STEPS 100</DIV><DIV> TIMESTEP 2.5</DIV><DIV> TEMPERATURE 298</DIV><DIV> &NOSE</DIV><DIV> LENGTH 3</DIV><DIV> YOSHIDA 3</DIV><DIV> TIMECON 1000</DIV><DIV> MTS 2</DIV><DIV> &END NOSE</DIV><DIV> &END MD</DIV><DIV> &PRINT</DIV><DIV> &FORCES ON</DIV><DIV> ADD_LAST NUMERIC</DIV><DIV> FILENAME __STD_OUT__</DIV><DIV> &END FORCES</DIV><DIV> &END</DIV><DIV>&END MOTION</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Can you please post the full MOTION section?</DIV><DIV><BR><DIV><DIV>On 25 Apr 2007, at 22:46, Nichols A. Romero wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite">This is what I used. Have not tried it without the ADD_LAST NUMERIC.<BR><BR> &FORCES ON<BR> ADD_LAST NUMERIC<BR> FILENAME __STD_OUT__<BR> &END FORCES<BR><BR><BR><DIV><SPAN class="gmail_quote">On 4/25/07, <B class="gmail_sendername">Teodoro Laino</B> <<A href="mailto:teodor...@gmail.com">teodor...@gmail.com</A>> wrote:</SPAN><BLOCKQUOTE class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <BR>Ciao Nichols,<BR><BR>If I use the following section it works:<BR><BR>&MOTION<BR> &MD<BR> ENSEMBLE NVE<BR> STEPS 100<BR> TIMESTEP 2.5<BR> TEMPERATURE 298<BR> &NOSE<BR> LENGTH 3<BR> YOSHIDA 3<BR> TIMECON 1000<BR> MTS 2<BR> &END NOSE<BR> &END MD<BR> &PRINT<BR> &FORCES<BR> FILENAME __STD_OUT__<BR> &END<BR> &END<BR>&END MOTION<BR><BR> Can we know PRECISELY how your MOTION section looks like?<BR>Beware if you use FORMAT DCD (that is implicitly binary) in the<BR>FORCES section of MOTION you will get for sure the error you were<BR>mentioning..<BR><BR>Cheers <BR>Teo<BR>On 25 Apr 2007, at 22:29, Nichols A. Romero wrote:<BR><BR>> This is a follow-up to an email that I posted yesterday and that<BR>> Fawzi replied to.<BR>><BR>> There are two places where one can print the forces to standard out. <BR>> &FORCE_EVAL&PRINT&FORCES<BR>> and<BR>> &MOTION&PRINT&FORCES<BR>><BR>> I've only manage to get the former one to print forces to std_out.<BR>> The latter<BR>> one always gives some I/O error. Just FYI. <BR>><BR>> --<BR>> Nichols A. Romero, Ph.D.<BR>> 1613 Denise Dr. Apt. D<BR>> Forest Hill, MD 21050<BR>> 443-567-8328 (C)<BR>> 410-306-0709 (O)<BR>><BR>> ><BR><BR><BR><BR><BR> <BR> <BR></BLOCKQUOTE></DIV></BLOCKQUOTE></DIV><BR></DIV></BODY></HTML>