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ff19ae |
--- bash-4.2/parse.y 2014-05-29 14:46:09.545543384 +0200
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+++ bash-4.2/parse.y 2014-05-29 14:48:40.758626213 +0200
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@@ -3858,6 +3858,8 @@ xparse_dolparen (base, string, indp, fla
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sflags |= SEVAL_NOLONGJMP;
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save_parser_state (&ps);
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save_input_line_state (&ls);
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+ /* avoid echoing every substitution again */
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+ echo_input_at_read = 0;
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/*(*/
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parser_state |= PST_CMDSUBST|PST_EOFTOKEN; /* allow instant ')' */ /*(*/
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--- bash-4.2/subst.c 2014-05-29 16:04:35.802784549 +0200
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+++ bash-4.2/subst.c 2014-05-29 16:08:25.021942676 +0200
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@@ -7103,6 +7103,7 @@ param_expand (string, sindex, quoted, ex
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WORD_LIST *list;
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WORD_DESC *tdesc, *ret;
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int tflag;
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+ int old_echo_input;
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zindex = *sindex;
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c = string[++zindex];
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@@ -7401,6 +7402,9 @@ arithsub:
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}
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comsub:
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+ old_echo_input = echo_input_at_read;
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+ /* avoid echoing every substitution again */
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+ echo_input_at_read = 0;
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if (pflags & PF_NOCOMSUB)
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/* we need zindex+1 because string[zindex] == RPAREN */
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temp1 = substring (string, *sindex, zindex+1);
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@@ -7413,6 +7417,7 @@ comsub:
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}
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FREE (temp);
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temp = temp1;
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+ echo_input_at_read = old_echo_input;
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break;
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/* Do POSIX.2d9-style arithmetic substitution. This will probably go
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