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-rw-r--r--shell/lash.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/shell/lash.c b/shell/lash.c
index 34dca04..8f19e52 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -1014,7 +1014,6 @@ static int expand_arguments(char *command)
* wordexp can't do for us, namely $? and $! */
src = command;
while((dst = strchr(src,'$')) != NULL){
- printf("dollar '%s'\n", dst);
var = NULL;
switch(*(dst+1)) {
case '?':
@@ -1057,14 +1056,25 @@ static int expand_arguments(char *command)
} else {
/* Looks like an environment variable */
char delim_hold;
- src=strpbrk(dst+1, " \t~`!$^&*()=|\\{}[];\"'<>?.");
+ int num_skip_chars=1;
+ int dstlen = strlen(dst);
+ /* Is this a ${foo} type variable? */
+ if (dstlen >=2 && *(dst+1) == '{') {
+ src=strchr(dst+1, '}');
+ num_skip_chars=2;
+ } else {
+ src=strpbrk(dst+1, " \t~`!$^&*()=|\\[];\"'<>?./");
+ }
if (src == NULL) {
- src = dst+strlen(dst);
+ src = dst+dstlen;
}
delim_hold=*src;
*src='\0'; /* temporary */
- var = getenv(dst + 1);
+ var = getenv(dst + num_skip_chars);
*src=delim_hold;
+ if (num_skip_chars==2) {
+ src++;
+ }
}
if (var == NULL) {
/* Seems we got an un-expandable variable. So delete it. */