--- psi-0.10-test2.original/src/chatdlg.cpp	2005-09-04 22:13:18.000000000 +0200
+++ psi-0.10-test2/src/chatdlg.cpp	2005-09-04 22:14:50.000000000 +0200
@@ -882,6 +882,57 @@
 			return;
 	}
 
+#ifndef Q_WS_WIN
+	if (d->mle->text().startsWith(QString("/exec "))) {
+
+		QString command = d->mle->text().remove(0, 6).stripWhiteSpace();
+		
+		if (command.isEmpty()) {
+			d->mle->setText(QString(""));
+			this->appendSysMsg("/exec: missing command");
+			return;
+		}
+
+		// ** For debugging only:
+		//fprintf(stderr, "/exec: \"%s\"\n", (const char*)command);
+
+		// This "echo | " prevents freeze when programs expect stdin (for example `cat`)
+		FILE *fpipe = popen((const char*)(QString("echo | ") + command), "r");
+		if (fpipe != NULL) {
+
+			QString result = "";
+
+			while (!feof(fpipe)) {
+
+				char c[1024];
+				memset(c, 0, 1024);
+				fread(&c, 1023, 1, fpipe);
+				result += c;
+
+			}
+
+			pclose(fpipe);
+
+			d->mle->setText(result.stripWhiteSpace());
+
+			if (d->mle->text().isEmpty()) {
+				this->appendSysMsg("/exec: no output");
+				return;
+			}
+
+		} else {
+			d->mle->setText(QString(""));
+			this->appendSysMsg("/exec: failed to exec process");
+			return;
+		}
+
+	}
+
+	// //exec .... -> /exec ....
+	if (d->mle->text().startsWith(QString("//exec ")))
+		d->mle->setText(d->mle->text().remove(0, 1));
+#endif
+
 	Message m(d->jid);
 	m.setType("chat");
 	m.setBody(d->mle->text());