44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
diff --git a/parse.y b/parse.y
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index df1231d..2449fa8 100644
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--- a/parse.y
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+++ b/parse.y
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@@ -4482,6 +4482,8 @@ xparse_dolparen (base, string, indp, flags)
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save_parser_state (&ps);
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save_input_line_state (&ls);
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orig_eof_token = shell_eof_token;
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+ /* avoid echoing every substitution again */
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+ echo_input_at_read = 0;
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#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
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saved_pushed_strings = pushed_string_list; /* separate parsing context */
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pushed_string_list = (STRING_SAVER *)NULL;
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diff --git a/subst.c b/subst.c
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index 9ccbf33..8a9ee5c 100644
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--- a/subst.c
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+++ b/subst.c
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@@ -9453,6 +9453,7 @@ param_expand (string, sindex, quoted, expanded_something,
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WORD_LIST *list, *l;
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WORD_DESC *tdesc, *ret;
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int tflag, nullarg;
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+ int old_echo_input;
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/*itrace("param_expand: `%s' pflags = %d", string+*sindex, pflags);*/
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zindex = *sindex;
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@@ -9843,6 +9844,9 @@ 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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@@ -9855,6 +9859,7 @@ 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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