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change expansion for key-value pair compound assignment to associative arrays to split all words before identifying keys and values; controlled by a new shopt option: kvpair_split, enabled by default; new `loadassoc' loadable builtin to load an associative array from a set of key-value arguments

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This commit is contained in:
Chet Ramey
2026-08-17 10:09:07 -04:00
parent 9c8a70bc9e
commit 2f7eb80c77
38 changed files with 1083 additions and 1012 deletions
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arrayfunc.c
+6 -4
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@@ -1,6 +1,6 @@
/* arrayfunc.c -- High-level array functions used by other parts of the shell. */
/* Copyright (C) 2001-2025 Free Software Foundation, Inc.
/* Copyright (C) 2001-2026 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
@@ -641,7 +641,7 @@ expand_compound_array_assignment (SHELL_VAR *var, char *value, int flags)
#if ASSOC_KVPAIR_ASSIGNMENT
/* If non-zero, we split the words in kv-pair compound array assignments in
addition to performing the other expansions. */
int split_kvpair_assignments = 0;
int split_kvpair_assignments = KVPAIR_SPLIT_DEFAULT;
/* We have a set of key-value pairs that should be expanded and split
(because they are not assignment statements). They are not expanded
@@ -665,12 +665,14 @@ assign_assoc_from_kvlist (SHELL_VAR *var, WORD_LIST *nlist, HASH_TABLE *h, int f
akey = split_kvpair_assignments ? savestring (k) : expand_subscript_string (k, 0);
if (akey == 0 || *akey == 0)
{
err_badarraysub (k);
const char *kmsg = "\"\""; /* make it look better */
err_badarraysub (kmsg);
FREE (akey);
continue;
}
aval = split_kvpair_assignments ? savestring (v) : expand_assignment_string_to_string (v, 0);
aval = split_kvpair_assignments ? (v ? savestring (v) : 0) : expand_assignment_string_to_string (v, 0);
if (aval == 0)
{
aval = (char *)xmalloc (1);