listamsb: allow overriding a8cat path in environment.

1 files changed, 12 insertions, 0 deletions

diff --git a/listamsb.c b/listamsb.c
index 7195443..7d9ca81 100644
--- a/listamsb.c
+++ b/listamsb.c
@@ -751,9 +751,15 @@ void get_line_range(const char *arg) {
 }
 
 void parse_args(int argc, char **argv) {
+	const char *a8cat;
 	char tmp[10];
 	int opt;
 
+	a8cat = getenv("A8CAT");
+	if(!a8cat) a8cat = "a8cat";
+
+	strncpy(pipe_command, a8cat, BUFSIZ);
+
 	if(argc >= 2) {
 		if(strcmp(argv[1], "--help") == 0) {
 			print_help();
@@ -832,6 +838,12 @@ void open_output() {
 		outfile = stdout;
 		verbose(1, "using stdout for output");
 	} else {
+		const char *a8cat;
+		if((a8cat = getenv("A8CAT"))) {
+			verbose(1, "read A8CAT=%s from environment", a8cat);
+		} else {
+			verbose(1, "A8CAT not set in environment, using 'a8cat'");
+		}
 		verbose(1, "using pipe for output: %s", pipe_command);
 		outfile = popen(pipe_command, "w"); /* "wb" not allowed! */
 		/* we probably never see this error. popen() fails only if