bugfix: missing space breaks --prepro-only.

Fix issue with interpolation of $prepro_opts in the case when
the awk program is in the command line.

2 files changed, 9 insertions, 1 deletions

diff --git a/cppawk b/cppawk
index 565a445..272f83d 100755
--- a/cppawk
+++ b/cppawk
@@ -154,7 +154,7 @@ elif [ $# -gt 0 ] ; then
   tmp_file=$(mktemp)
   if [ $prepro_only ] ; then
     printf "%s" "$1" | $delhashbang | \
-      eval '$prepro $incopt"$(pwd)"'"$prepro_opts - | collapse"
+      eval '$prepro $incopt"$(pwd)" '"$prepro_opts - | collapse"
   else
     printf "%s" "$1" | $delhashbang | \
       eval '$prepro $incopt"$(pwd)" '"$prepro_opts - | collapse" > $tmp_file
diff --git a/testcases b/testcases
index 8b7dc81..2cd3ed4 100644
--- a/testcases
+++ b/testcases
@@ -170,3 +170,11 @@ BEGIN {
 }'
 :
 -2147483648 -2147483648 -2147483648
+--
+31:
+./cppawk --prepro-only '
+#if __gawk__
+foo_bar
+#endif' | grep foo_bar
+:
+foo_bar