allow specifying the number of columns

1 files changed, 2 insertions, 0 deletions

diff --git a/optcvt.sh b/optcvt.sh
index 2f3f89c..b73c095 100755
--- a/optcvt.sh
+++ b/optcvt.sh
@@ -8,6 +8,8 @@ COLUMNS="${SIZE#* }"
 
 if test "$COLUMNS" -ge $((2*$MINWIDTH+1)); then
 	exec $TCVT "$@"
+elif test -z "$@"; then
+	exec "$SHELL"
 else
 	exec "$@"
 fi