command. All options other than the data source/destination are

as specified for <xref linkend="sql-copy">.

Because of this, special parsing rules apply to the <command>\copy</>

command. In particular, <application>psql</>'s variable substitution

rules and backslash escapes do not apply.

meta-command. Unlike most other meta-commands, the entire remainder

of the line is always taken to be the arguments of <command>\copy</>,

and neither variable interpolation nor backquote expansion are

performed in the arguments.

</para>

<tip>

line of the file.)

</para>

<para>

Unlike most other meta-commands, the entire remainder of the line is

always taken to be the argument(s) of <command>\ef</>, and neither

variable interpolation nor backquote expansion are performed in the

arguments.

</para>

<tip>

<para>

See under <xref linkend="app-psql-environment"

If a line number is specified, <application>psql</application> will

position the cursor on the specified line of the view definition.

</para>

<para>

Unlike most other meta-commands, the entire remainder of the line is

always taken to be the argument(s) of <command>\ev</>, and neither

variable interpolation nor backquote expansion are performed in the

arguments.

</para>

</listitem>

</varlistentry>

A <literal>\g</literal> with argument is a <quote>one-shot</quote>

alternative to the <command>\o</command> command.

</para>

<para>

If the argument begins with <literal>|</>, then the entire remainder

of the line is taken to be

the <replaceable class="parameter">command</replaceable> to execute,

and neither variable interpolation nor backquote expansion are

performed in it. The rest of the line is simply passed literally to

the shell.

</para>

</listitem>

</varlistentry>

<acronym>SQL</acronym> commands is shown.

</para>

<para>

Unlike most other meta-commands, the entire remainder of the line is

always taken to be the argument(s) of <command>\help</>, and neither

variable interpolation nor backquote expansion are performed in the

arguments.

</para>

<note>

<para>

To simplify typing, commands that consists of several words do

specified, the query output is reset to the standard output.

</para>

<para><quote>Query results</quote> includes all tables, command

<para>

If the argument begins with <literal>|</>, then the entire remainder

of the line is taken to be

the <replaceable class="parameter">command</replaceable> to execute,

and neither variable interpolation nor backquote expansion are

performed in it. The rest of the line is simply passed literally to

the shell.

</para>

<para>

<quote>Query results</quote> includes all tables, command

responses, and notices obtained from the database server, as

well as output of various backslash commands that query the

database (such as <command>\d</command>), but not error

database (such as <command>\d</command>); but not error

messages.

</para>

output lines are numbered, with the first line of the function body

being line 1.

</para>

<para>

Unlike most other meta-commands, the entire remainder of the line is

always taken to be the argument(s) of <command>\sf</>, and neither

variable interpolation nor backquote expansion are performed in the

arguments.

</para>

</listitem>

</varlistentry>

If <literal>+</literal> is appended to the command name, then the

output lines are numbered from 1.

</para>

<para>

Unlike most other meta-commands, the entire remainder of the line is

always taken to be the argument(s) of <command>\sv</>, and neither

variable interpolation nor backquote expansion are performed in the

arguments.

</para>

</listitem>

</varlistentry>

If the current query buffer is empty, the most recently executed query

is written instead.

</para>

<para>

If the argument begins with <literal>|</>, then the entire remainder

of the line is taken to be

the <replaceable class="parameter">command</replaceable> to execute,

and neither variable interpolation nor backquote expansion are

performed in it. The rest of the line is simply passed literally to

the shell.

</para>

</listitem>

</varlistentry>

<term><literal>\! [ <replaceable class="parameter">command</replaceable> ]</literal></term>

<listitem>

<para>

Escapes to a separate shell or executes the shell command

<replaceable class="parameter">command</replaceable>. The

arguments are not further interpreted; the shell will see them

as-is. In particular, the variable substitution rules and

backslash escapes do not apply.

With no argument, escapes to a sub-shell; <application>psql</>

resumes when the sub-shell exits. With an argument, executes the

shell command <replaceable class="parameter">command</replaceable>.

</para>

<para>

Unlike most other meta-commands, the entire remainder of the line is

always taken to be the argument(s) of <command>\!</>, and neither

variable interpolation nor backquote expansion are performed in the

arguments. The rest of the line is simply passed literally to the

shell.

</para>

</listitem>

</varlistentry>