don't delete hash-bang line; replace with #

This preserves the line numbers.

2 files changed, 10 insertions, 1 deletions

diff --git a/cppawk b/cppawk
index cb6987e..876a5bb 100755
--- a/cppawk
+++ b/cppawk
@@ -37,7 +37,7 @@ prepro_opts="-D__gawk__=1 -D__cppawk_ver=20220324"
 awk_file=
 awk_opts=
 tmp_file=
-delhashbang="sed -e /^#!/d --"
+delhashbang="sed -e 1s/^#!.*/#/ --"
 prepro_only=
 selfdir=$(dirname "$0")
 
diff --git a/testcases b/testcases
index fd81e02..39519a0 100644
--- a/testcases
+++ b/testcases
@@ -223,3 +223,12 @@ foo
 bar
 
 baz
+--
+40:
+./cppawk '#!hashbang
+BEGIN { print __LINE__
+
+        print __LINE__ }'
+:
+2
+4