<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1520001959373_3408">hello everybody,</div><div><br></div><div dir="ltr">i've compiled gmsh for linux, and on one machine i get this message when i try to print the screenshot from command line:</div><div dir="ltr"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1520001959373_3512">Info : Started on Fri Mar 2 15:44:08 2018<br id="yui_3_16_0_ym19_1_1520001959373_3556">Info : Reading 'pressure.pos'...<br id="yui_3_16_0_ym19_1_1520001959373_3557">Info : Done reading 'pressure.pos'<br id="yui_3_16_0_ym19_1_1520001959373_3558">Info : Reading 'screenshot'...<br id="yui_3_16_0_ym19_1_1520001959373_3559">Info : Writing 'file.jpg'...<br id="yui_3_16_0_ym19_1_1520001959373_3560">Error : Unknown output file format<br id="yui_3_16_0_ym19_1_1520001959373_3561">Info : Done writing 'file.jpg'</div><div dir="ltr"><br></div><div dir="ltr">i do not know what i should do to avoid this. i use simple screenshot script like this:</div><div dir="ltr"><br></div><div dir="ltr">Print "file.jpg";<br id="yui_3_16_0_ym19_1_1520001959373_3594">Exit;</div><div dir="ltr" id="yui_3_16_0_ym19_1_1520001959373_3595"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1520001959373_3596">thanks</div><div dir="ltr" id="yui_3_16_0_ym19_1_1520001959373_3605">vlad<br></div></div></body></html>