fileio: also escape $ and ` when writing out env vars

These are also considered special by sh and bash.
2013-04-17 00:32:02 -04:00
parent a1c6506214
commit ced2d10a28
1 changed files with 2 additions and 2 deletions
@@ -529,11 +529,11 @@ static void write_env_var(FILE *f, const char *v) {
        p++;
        fwrite(v, 1, p-v, f);

-        if (string_has_cc(p) || chars_intersect(p, WHITESPACE "\'\"\\")) {
+        if (string_has_cc(p) || chars_intersect(p, WHITESPACE "\'\"\\`$")) {
                fputc('\"', f);

                for (; *p; p++) {
-                        if (strchr("\'\"\\", *p))
+                        if (strchr("\'\"\\`$", *p))
                                fputc('\\', f);

                        fputc(*p, f);