Simplify error exits

Had missed sys.exit(msg).

6 files changed, 8 insertions, 16 deletions

diff --git a/examples/eval_expr.py b/examples/eval_expr.py
index 14231f9..6d8695e 100644
--- a/examples/eval_expr.py
+++ b/examples/eval_expr.py
@@ -10,8 +10,7 @@ import kconfiglib
 import sys
 
 if len(sys.argv) < 3:
-    print("Pass the expression to evaluate with SCRIPT_ARG=<expression>")
-    sys.exit(1)
+    sys.exit("Pass the expression to evaluate with SCRIPT_ARG=<expression>")
 
 expr = sys.argv[2]
 
diff --git a/examples/find_symbol.py b/examples/find_symbol.py
index b490e4d..55e6345 100644
--- a/examples/find_symbol.py
+++ b/examples/find_symbol.py
@@ -171,8 +171,7 @@ def nodes_referencing_sym(node, sym_name):
 # imported
 if __name__ == "__main__":
     if len(sys.argv) < 3:
-        print('Pass symbol name (without "CONFIG_" prefix) with SCRIPT_ARG=<name>')
-        sys.exit(1)
+        sys.exit('Pass symbol name (without "CONFIG_" prefix) with SCRIPT_ARG=<name>')
 
     sym_name = sys.argv[2]
 
@@ -180,8 +179,7 @@ if __name__ == "__main__":
     nodes = nodes_referencing_sym(kconf.top_node, sym_name)
 
     if not nodes:
-        print("No reference to '{}' found".format(sym_name))
-        sys.exit()
+        sys.exit("No reference to '{}' found".format(sym_name))
 
     print("Found {} locations that reference '{}':\n".format(len(nodes), sym_name))
 
diff --git a/examples/help_grep.py b/examples/help_grep.py
index a476d9c..20a4911 100644
--- a/examples/help_grep.py
+++ b/examples/help_grep.py
@@ -38,8 +38,7 @@ import re
 import sys
 
 if len(sys.argv) < 3:
-    print("Pass the regex with SCRIPT_ARG=<regex>")
-    sys.exit(1)
+    sys.exit("Pass the regex with SCRIPT_ARG=<regex>")
 
 search = re.compile(sys.argv[2], re.IGNORECASE).search
 
diff --git a/examples/merge_config.py b/examples/merge_config.py
index a51738c..f3fa471 100644
--- a/examples/merge_config.py
+++ b/examples/merge_config.py
@@ -63,8 +63,7 @@ from kconfiglib import Kconfig, Symbol, BOOL, TRISTATE, TRI_TO_STR
 import sys
 
 if len(sys.argv) < 4:
-    print("usage: merge_config.py Kconfig merged_config config1 [config2 ...]")
-    sys.exit(1)
+    sys.exit("usage: merge_config.py Kconfig merged_config config1 [config2 ...]")
 
 kconf = Kconfig(sys.argv[1])
 
diff --git a/examples/oldconfig.py b/examples/oldconfig.py
index 722c9e4..4f8421a 100644
--- a/examples/oldconfig.py
+++ b/examples/oldconfig.py
@@ -317,12 +317,10 @@ def do_oldconfig_rec(node):
 
 if __name__ == "__main__":
     if len(sys.argv) != 2:
-        eprint("error: pass name of base Kconfig file as argument")
-        sys.exit(1)
+        sys.exit("error: pass name of base Kconfig file as argument")
 
     if not os.path.exists(".config"):
-        eprint("error: no existing .config")
-        sys.exit(1)
+        sys.exit("error: no existing .config")
 
     kconf = Kconfig(sys.argv[1])
 
diff --git a/examples/print_sym_info.py b/examples/print_sym_info.py
index 3ee3c97..c0c63df 100644
--- a/examples/print_sym_info.py
+++ b/examples/print_sym_info.py
@@ -37,8 +37,7 @@ from kconfiglib import Kconfig, TRI_TO_STR
 import sys
 
 if len(sys.argv) < 3:
-    print('Pass symbol name (without "CONFIG_" prefix) with SCRIPT_ARG=<name>')
-    sys.exit(1)
+    sys.exit('Pass symbol name (without "CONFIG_" prefix) with SCRIPT_ARG=<name>')
 
 kconf = Kconfig(sys.argv[1])
 sym = kconf.syms[sys.argv[2]]