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13.

brace expansion: failed to allocate memory for %d elements

422.

Copyright (C) 2016 Free Software Foundation, Inc.

441.

declare [-aAfFgilnrtux] [-p] [name[=value] ...]

442.

typeset [-aAfFgilnrtux] [-p] name[=value] ...

478.

wait [-n] [id ...]

501.

compgen [-abcdefgjksuv] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [word]

518.

Set variable values and attributes.

Declare variables and give them attributes. If no NAMEs are given,
display the attributes and values of all variables.

Options:
-f[tab]restrict action or display to function names and definitions
-F[tab]restrict display to function names only (plus line number and
[tab][tab]source file when debugging)
-g[tab]create global variables when used in a shell function; otherwise
[tab][tab]ignored
-p[tab]display the attributes and value of each NAME

Options which set attributes:
-a[tab]to make NAMEs indexed arrays (if supported)
-A[tab]to make NAMEs associative arrays (if supported)
-i[tab]to make NAMEs have the `integer' attribute
-l[tab]to convert NAMEs to lower case on assignment
-n[tab]make NAME a reference to the variable named by its value
-r[tab]to make NAMEs readonly
-t[tab]to make NAMEs have the `trace' attribute
-u[tab]to convert NAMEs to upper case on assignment
-x[tab]to make NAMEs export

Using `+' instead of `-' turns off the given attribute.

Variables with the integer attribute have arithmetic evaluation (see
the `let' command) performed when the variable is assigned a value.

When used in a function, `declare' makes NAMEs local, as with the `local'
command. The `-g' option suppresses this behavior.

Exit Status:
Returns success unless an invalid option is supplied or a variable
assignment error occurs.

521.

Write arguments to the standard output.

Display the ARGs, separated by a single space character and followed by a
newline, on the standard output.

Options:
-n[tab]do not append a newline
-e[tab]enable interpretation of the following backslash escapes
-E[tab]explicitly suppress interpretation of backslash escapes

`echo' interprets the following backslash-escaped characters:
\a[tab]alert (bell)
\b[tab]backspace
\c[tab]suppress further output
\e[tab]escape character
\E[tab]escape character
\f[tab]form feed
\n[tab]new line
\r[tab]carriage return
\t[tab]horizontal tab
\v[tab]vertical tab
\\[tab]backslash
\0nnn[tab]the character whose ASCII code is NNN (octal). NNN can be
[tab][tab]0 to 3 octal digits
\xHH[tab]the eight-bit character whose value is HH (hexadecimal). HH
[tab][tab]can be one or two hex digits

Exit Status:
Returns success unless a write error occurs.

533.

Display information about builtin commands.

Displays brief summaries of builtin commands. If PATTERN is
specified, gives detailed help on all commands matching PATTERN,
otherwise the list of help topics is printed.

Options:
-d[tab]output short description for each topic
-m[tab]display usage in pseudo-manpage format
-s[tab]output only a short usage synopsis for each topic matching
[tab][tab]PATTERN

Arguments:
PATTERN[tab]Pattern specifiying a help topic

Exit Status:
Returns success unless PATTERN is not found or an invalid option is given.

534.

Display or manipulate the history list.

Display the history list with line numbers, prefixing each modified
entry with a `*'. An argument of N lists only the last N entries.

Options:
-c[tab]clear the history list by deleting all of the entries
-d offset[tab]delete the history entry at position OFFSET.

-a[tab]append history lines from this session to the history file
-n[tab]read all history lines not already read from the history file
[tab][tab]and append them to the history list
-r[tab]read the history file and append the contents to the history
[tab][tab]list
-w[tab]write the current history to the history file

-p[tab]perform history expansion on each ARG and display the result
[tab][tab]without storing it in the history list
-s[tab]append the ARGs to the history list as a single entry

If FILENAME is given, it is used as the history file. Otherwise,
if HISTFILE has a value, that is used, else ~/.bash_history.

If the HISTTIMEFORMAT variable is set and not null, its value is used
as a format string for strftime(3) to print the time stamp associated
with each displayed history entry. No time stamps are printed otherwise.

Exit Status:
Returns success unless an invalid option is given or an error occurs.