NAME

typeof - variable typing and dumping

SYNOPSIS

typeof [-b|--brief] NAME

DESCRIPTION

Type NAME as indexed array, associative array or variable. Dump indexed and associative arrays and variables along with their attributes. A NAME is first passed to type bash builtin that will return alias, keyword, function, builtin or file if NAME is one of these. If not, NAME is presumed to be a variable: indexed or associative is returned if it is an array, scalar oterwise.

OPTIONS

-b, --brief
only the type, as a single string, is returned. Returned types:

• scalar
• indexed (indexed array)
• associative (associative array)
• alias
• keyword
• function
• builtin
• file
  Without this option, output is more verbose.

OPERANDS

NAME Parameter NAME can be anything: variable's name, identifier, shell keyword,

STDOUT

Print results.
Help, usage, version (to STOUT only if explicitly requested).

STDERR

Error messages, help and usage.

RETURN STATUS

0 success 1 failure 2 NAME is not anything significant

EXAMPLES

$ typeof -b BASH_VERSINFO
indexed
$ typeof -b BASH_ALIASES
associative
$ typeof BASH_VERSINFO
Name: BASH_VERSINFO
Type: indexed array [6] # [6] - number of elements
Value:
[0]: 4 [1] # [1] - length of an element
[1]: 3 [1]
[2]: 42 [2]
[3]: 4 [1]
[4]: release [7]
[5]: x86_64 [6]
Attr: -r (readonly)
$ typeof BASH_ALIASES
Name: BASH_ALIASES
Type: associative array [4]
Value:
[la]: ls -la [6]
[cd..]: cd .. [5]
[unset]: [0]	# null value
[sv]: sudo vim [8]
$ typeof UID
Name: UID
Type: variable
Value: 101 [3]
Attr: -i (integer)
-r (readonly)

SEE ALSO

barf - bash array-related functions.

ID TAG

 FILE: typeof
TYPE: bash function
WEB: https://github.com/mandober/typeof
AUTHOR: Ilic Ivan <ilicivan@zoho.com>
LICENSE: MIT
DATE: 09-Sep-2017 (last revision)