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authorPeter Wemm <peter@FreeBSD.org>1996-09-10 02:42:33 +0000
committerPeter Wemm <peter@FreeBSD.org>1996-09-10 02:42:33 +0000
commit5c817731db31f4d217559209d5fec36ccbeb32f3 (patch)
tree14134b75b61a4e162ef2c992693d5280b489395a /bin/sh/parser.c
parent7006eca8ae60f4dd7a9e6dda3ab3a511f5d4b436 (diff)
Notes
Diffstat (limited to 'bin/sh/parser.c')
-rw-r--r--bin/sh/parser.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/bin/sh/parser.c b/bin/sh/parser.c
index 291f1522e80a2..187453192b96b 100644
--- a/bin/sh/parser.c
+++ b/bin/sh/parser.c
@@ -33,7 +33,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: parser.c,v 1.13 1996/09/03 14:15:57 peter Exp $
+ * $Id$
*/
#ifndef lint
@@ -1141,6 +1141,7 @@ parsesub: {
#ifndef GDB_HACK
static const char types[] = "}-+?=";
#endif
+ int bracketed_name = 0; /* used to handle ${[0-9]*} variables */
c = pgetc();
if (c != '(' && c != '{' && !is_name(c) && !is_special(c)) {
@@ -1159,6 +1160,7 @@ parsesub: {
USTPUTC(VSNORMAL, out);
subtype = VSNORMAL;
if (c == '{') {
+ bracketed_name = 1;
c = pgetc();
if (c == '#') {
if ((c = pgetc()) == '}')
@@ -1174,6 +1176,16 @@ parsesub: {
STPUTC(c, out);
c = pgetc();
} while (is_in_name(c));
+ } else if (is_digit(c)) {
+ if (bracketed_name) {
+ do {
+ STPUTC(c, out);
+ c = pgetc();
+ } while (is_digit(c));
+ } else {
+ STPUTC(c, out);
+ c = pgetc();
+ }
} else {
if (! is_special(c))
badsub: synerror("Bad substitution");