Quote variables correctly in case they contain special characters.
Run Java with exec so the shell doesn't stick around.
--- ner-gui.sh.orig	2020-11-17 05:05:22.000000000 -0600
+++ ner-gui.sh	2021-11-24 10:39:27.000000000 -0600
@@ -1,4 +1,4 @@
 #!/bin/sh
-scriptdir=`dirname $0`
+scriptdir="`dirname "$0"`"
 
-java -mx700m -cp "$scriptdir/stanford-ner.jar:lib/*" edu.stanford.nlp.ie.crf.NERGUI
+exec java -mx700m -cp "$scriptdir/stanford-ner.jar:lib/*" edu.stanford.nlp.ie.crf.NERGUI
--- ner.sh.orig	2020-11-17 05:05:22.000000000 -0600
+++ ner.sh	2021-11-24 10:39:47.000000000 -0600
@@ -1,4 +1,4 @@
 #!/bin/sh
-scriptdir=`dirname $0`
+scriptdir="`dirname "$0"`"
 
-java -mx700m -cp "$scriptdir/stanford-ner.jar:$scriptdir/lib/*" edu.stanford.nlp.ie.crf.CRFClassifier -loadClassifier $scriptdir/classifiers/english.all.3class.distsim.crf.ser.gz -textFile $1
+exec java -mx700m -cp "$scriptdir/stanford-ner.jar:$scriptdir/lib/*" edu.stanford.nlp.ie.crf.CRFClassifier -loadClassifier "$scriptdir"/classifiers/english.all.3class.distsim.crf.ser.gz -textFile "$1"