1 files changed, 9 insertions, 1 deletions
diff --git a/bash/bashrc.d/hgrep.bash b/bash/bashrc.d/hgrep.bash
index 855fbcc8..e5a5d4c9 100644
--- a/bash/bashrc.d/hgrep.bash
+++ b/bash/bashrc.d/hgrep.bash
@@ -4,5 +4,13 @@
 #     $ history | grep PATTERN
 #
 hgrep() {
-    grep "${@:?}" "${HISTFILE:?}"
+    if ! (($#)) ; then
+        printf >&2 '%s: Need a pattern\n' "$FUNCNAME"
+        exit 2
+    fi
+    if ! [[ $HISTFILE ]] ; then
+        printf >&2 '%s: No HISTFILE\n' "$FUNCNAME"
+        exit 2
+    fi
+    grep "$@" "$HISTFILE"
 }