From 69e3e0267601b502ed38bbb5f4e77ed2f128d540 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Thu, 9 Feb 2023 23:18:02 +0100
Subject: change var call to $[var]

---
 smash/env.c  | 15 +++++++++------
 smash/main.c |  2 ++
 2 files changed, 11 insertions(+), 6 deletions(-)

(limited to 'smash')

diff --git a/smash/env.c b/smash/env.c
index 58285f0..69e5e68 100644
--- a/smash/env.c
+++ b/smash/env.c
@@ -31,14 +31,16 @@ char* new_line_and_replace_vars(const char *line, u64 n)
 	char *replaced;
 
 	for (int i = 0; i < n && line[i]; ++i) {
-		if (line[i] == '$') {
+		if (line[i] == '$' && line[i + 1] == '[') {
 			clear_buf(var, 64);
-			++i;
-			for (int j = 0; line[i] && line[i] != ' ';) {
+			i += 2;
+
+			for (int j = 0; line[i] && line[i] != ']';) {
 				var[j] = line[i];
 				++j;
 				++i;
 			}
+			++i;
 
 			if (cstr_length(var) == 0) {
 				size++;
@@ -56,15 +58,16 @@ char* new_line_and_replace_vars(const char *line, u64 n)
 
 	for (int i = 0; i < size && line[line_pos]; ++i) {
 
-		if (line[line_pos] == '$') {
+		if (line[line_pos] == '$' && line[line_pos + 1] == '[') {
 			clear_buf(var, 64);
-			++line_pos;
+			line_pos += 2;
 
-			for (int j = 0; line[line_pos] && line[line_pos] != ' ';) {
+			for (int j = 0; line[line_pos] && line[line_pos] != ']';) {
 				var[j] = line[line_pos];
 				++j;
 				++line_pos;
 			}
+			++line_pos;
 
 			if (cstr_length(var)) {
 				const char *e = getenv(var);
diff --git a/smash/main.c b/smash/main.c
index 645f4eb..fe393e1 100644
--- a/smash/main.c
+++ b/smash/main.c
@@ -88,6 +88,8 @@ int main(int argc, char *argv[])
 		line = new_line_and_replace_vars(linebuf, BUFSIZ);
 		line_length = cstr_length(line);
 
+		wff(STDERR_FD, "execute: %s\n", line);
+
 		if (line_length > 0) {
 			exec(line);
 		}
-- 
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