summaryrefslogtreecommitdiff
path: root/Src/subst.c
diff options
context:
space:
mode:
Diffstat (limited to 'Src/subst.c')
-rw-r--r--Src/subst.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/Src/subst.c b/Src/subst.c
index a42b81358..9a59495d0 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -767,6 +767,7 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
int flags = 0;
int flnum = 0;
int sortit = 0, casind = 0;
+ int unique = 0;
int casmod = 0;
int quotemod = 0, quotetype = 0, quoteerr = 0;
int visiblemod = 0;
@@ -996,6 +997,10 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
shsplit = 1;
break;
+ case 'n':
+ unique = 1;
+ break;
+
default:
flagerr:
zerr("error in flags", NULL, 0);
@@ -1873,6 +1878,14 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int ssub)
setdata(n, y);
return n;
}
+ if (unique) {
+/* if(!copied) */
+ aval = arrdup(aval);
+
+ i = arrlen(aval);
+ if (i > 1)
+ zhuniqarray(aval);
+ }
if (sortit) {
static CompareFn sortfn[] = {
strpcmp, invstrpcmp, cstrpcmp, invcstrpcmp