From 27fbc380cbe26063c5e16cfc6423de262cf7f473 Mon Sep 17 00:00:00 2001
From: Zaher Salman <zaher@zaher.psi.ch>
Date: Mon, 14 Jun 2021 23:16:48 +0200
Subject: [PATCH] Check if trimspNL found.

---
 TrimSPelec.js | 12 +++++++++++-
 TrimSPlib.js  |  8 ++++++--
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/TrimSPelec.js b/TrimSPelec.js
index 3aef0be..e19e46c 100644
--- a/TrimSPelec.js
+++ b/TrimSPelec.js
@@ -17,7 +17,7 @@ function execute(command) {
 }
 
 function checkDir(directory) {
-    // Check whether director exists, if not create it
+    // Check whether directory exists, if not create it
     if (!fs.existsSync(directory)) {
 	// Folder does not exist try to create it
 	fs.mkdir(directory,{recursive: true}, (err) => {
@@ -54,3 +54,13 @@ function readAsciiFile(filename) {
     return(content);
 }
 	       
+function fileExists(filename) {
+    try {
+	if (fs.existsSync(filename)) {
+	    return 1;
+	}
+    }catch(err) {
+	console.log(err);
+    }
+    return 0;
+}
diff --git a/TrimSPlib.js b/TrimSPlib.js
index 02f69e3..c46fff0 100644
--- a/TrimSPlib.js
+++ b/TrimSPlib.js
@@ -934,7 +934,12 @@ function sum(array){
 function startSequence(All) {
     let cmd = '';
     let trimBin = All['trimPath']+"/trimspNL";
-    
+    // Check if the trimspNL binary is found
+    if (!fileExists(trimBin)) {
+	// if not found, try in PATH and hope for the best
+	trimBin = "trimspNL";
+    }
+
     // Check if workPath exists otherwise create it
     checkDir(All['workPath']); // from TrimSPelec.js, Electron/Node specific
 
@@ -1044,7 +1049,6 @@ function startSequence(All) {
 	writeAsciiFile(FILENAME+".inp", eingabe1);
 	Progress=20;
 	// Update progress on GUI
-	let path = process.env.PWD;
 	cmd = "cd "+All["workPath"]+";cp "+FILENAME+".inp eingabe1.inp;"+trimBin;
 	execute(cmd);
 	//	document.getElementById("myBar").style.width = Progress + "%";