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--- bash-4.2/redir.c 2015-04-27 23:03:55.663182162 +0200
+++ bash-4.2/redir.c 2015-04-27 23:03:13.995181816 +0200
@@ -63,6 +63,7 @@ int expanding_redir;
extern int posixly_correct;
extern int last_command_exit_value;
+extern int executing_builtin;
extern REDIRECT *redirection_undo_list;
extern REDIRECT *exec_redirection_undo_list;
@@ -307,11 +308,23 @@ write_here_string (fd, redirectee)
WORD_DESC *redirectee;
{
char *herestr;
- int herelen, n, e;
+ int herelen, n, e, old;
expanding_redir = 1;
+ /* Now that we've changed the variable search order to ignore the temp
+ environment, see if we need to change the cached IFS values. */
+ sv_ifs ("IFS");
herestr = expand_string_to_string (redirectee->word, 0);
expanding_redir = 0;
+ /* Now we need to change the variable search order back to include the temp
+ environment. We force the temp environment search by forcing
+ executing_builtin to 1. This is what makes `read' get the right values
+ for the IFS-related cached variables, for example. */
+ old = executing_builtin;
+ executing_builtin = 1;
+ sv_ifs ("IFS");
+ executing_builtin = old;
+
herelen = STRLEN (herestr);
n = write (fd, herestr, herelen);