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Chet Ramey
2018-07-24 09:17:33 -04:00
parent 96efdbb5b4
commit 8d125d8b5f
45 changed files with 6793 additions and 5492 deletions
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@@ -965,7 +965,7 @@ to be matched as a string.
An additional binary operator, <B>=~</B>, is available, with the same
precedence as <B>==</B> and <B>!=</B>.
When it is used, the string to the right of the operator is considered
an extended regular expression and matched accordingly (as in <I>regex</I>(3)).
a POSIX extended regular expression and matched accordingly (as in <I>regex</I>(3)).
The return value is 0 if the string matches
the pattern, and 1 otherwise.
If the regular expression is syntactically incorrect, the conditional
@@ -1929,7 +1929,8 @@ option to the
<B>shopt</B>
builtin below).
Setting <B>extdebug</B> after the shell has started to execute a script
Setting <B>extdebug</B> after the shell has started to execute a script,
or referencing this variable when <B>extdebug</B> is not set,
may result in inconsistent values.
<DT><B>BASH_ARGV</B>
@@ -1954,7 +1955,8 @@ option to the
<B>shopt</B>
builtin below).
Setting <B>extdebug</B> after the shell has started to execute a script
Setting <B>extdebug</B> after the shell has started to execute a script,
or referencing this variable when <B>extdebug</B> is not set,
may result in inconsistent values.
<DT><B>BASH_ARGV0</B>
@@ -3745,16 +3747,16 @@ The <I>parameter</I> is a shell parameter as described above
If the first character of <I>parameter</I> is an exclamation point (<B>!</B>),
and <I>parameter</I> is not a <I>nameref</I>,
it introduces a level of variable indirection.
<B>Bash</B> uses the value of the variable formed from the rest of
<I>parameter</I> as the name of the variable; this variable is then
expanded and that value is used in the rest of the substitution, rather
than the value of <I>parameter</I> itself.
it introduces a level of indirection.
<B>Bash</B> uses the value formed by expanding the rest of
<I>parameter</I> as the new <I>parameter</I>; this is then
expanded and that value is used in the rest of the expansion, rather
than the expansion of the original <I>parameter</I>.
This is known as <I>indirect expansion</I>.
The value is subject to tilde expansion,
parameter expansion, command substitution, and arithmetic expansion.
If <I>parameter</I> is a nameref, this expands to the name of the
variable referenced by <I>parameter</I> instead of performing the
parameter referenced by <I>parameter</I> instead of performing the
complete indirect expansion.
The exceptions to this are the expansions of ${<B>!</B><I>prefix</I><B>*</B>} and
${<B>!</B><I>name</I>[<I>@</I>]} described below.
@@ -13975,6 +13977,6 @@ There may be only one active coprocess at a time.
</DL>
<HR>
This document was created by man2html from bash.1.<BR>
Time: 12 June 2018 15:50:58 EDT
Time: 16 July 2018 10:36:49 EDT
</BODY>
</HTML>