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