From c6d55b5aa7b855a850d2e9482406bf46f1508a0e Mon Sep 17 00:00:00 2001
From: Dennis Fink
Date: Sat, 12 Dec 2020 17:06:40 +0100
Subject: Add --abort-on-empty-input to pjson

---
 patternutils/commands/pjson.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/patternutils/commands/pjson.py b/patternutils/commands/pjson.py
index 66a626f..a6373ac 100644
--- a/patternutils/commands/pjson.py
+++ b/patternutils/commands/pjson.py
@@ -46,6 +46,12 @@ def apply_regex(
     default=False,
     help="exit if a value does not match the REGEX_PATTERN",
 )
+@click.option(
+    "--abort-on-empty-data",
+    is_flag=True,
+    default=False,
+    help="exit if the data is empty",
+)
 @click.option(
     "--human-readable",
     is_flag=True,
@@ -65,6 +71,7 @@ def pjson(
     stream: bool,
     abort_on_no_key: bool,
     abort_on_no_match: bool,
+    abort_on_empty_data: bool,
     human_readable: bool,
     verbose: bool,
 ) -> None:
@@ -88,6 +95,13 @@ def pjson(
     matches = []
 
     for line in data:
+        if not line:
+            if abort_on_empty_data:
+                click.echo(f"{line} has no input.", fg="red", err=True)
+                raise SystemExit
+            else:
+                continue
+
         try:
             match = apply_regex(line, key, regex_pattern_c)
         except KeyError:
-- 
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