Replaced substring matching by grep

1 files changed, 1 insertions, 1 deletions

diff --git a/kernlab.sh b/kernlab.sh
index 10141e2..4267a86 100755
--- a/kernlab.sh
+++ b/kernlab.sh
@@ -57,7 +57,7 @@ fi
 
 if [ ! -f $KL_CONF ]; then
 
-  echo "if ! [[ \"\$R_LIBS\" =~ \"$KL_DEST\" ]]; then export R_LIBS=\"$KL_DEST\"; fi" >> "$KL_CONF"
+  echo "if echo \"\$R_LIBS\" | grep -v \"$KL_DEST\">/dev/null 2>&1; then export R_LIBS=\"$KL_DEST\"; fi" >> "$KL_CONF"
   echo "R package destination has been stored in '$KL_CONF'."
 
   if ! grep "$KL_CONF" $HOME/.bashrc >/dev/null 2>&1 ; then