Bash * and @ Relative to Array Elements: Difference between revisions
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<code>*</code> and <code>@</code> are bash syntax elements that tokenize arrays. They are used to process command line argument (<code>$*</code>, <code>$@</code> and <code>"$@"</code>), [[Bash_Arrays#Reference_All_Indexed_Array_Elements|values for indexed arrays]], [[Bash_Arrays#Get_All_Associative_Array_Keys|keys]] and [[Bash_Arrays#Get_All_Associative_Array_Values|values]] for associative arrays, etc. | <code>*</code> and <code>@</code> are bash syntax elements that tokenize arrays. They are used to process command line argument (<code>$*</code>, <code>$@</code> and <code>"$@"</code>), [[Bash_Arrays#Reference_All_Indexed_Array_Elements|values for indexed arrays]], [[Bash_Arrays#Get_All_Associative_Array_Keys|keys]] and [[Bash_Arrays#Get_All_Associative_Array_Values|values]] for associative arrays, etc. | ||
The difference between these two syntax elements becomes apparent when the array elements contain spaces | The difference between these two syntax elements becomes apparent when the array elements contain spaces: | ||
=<tt>...*</tt>= | =<tt>...*</tt>= |
Revision as of 18:42, 1 April 2024
Internal
- $@
- $*
- Get All Indexed Array Elements
- Get All Associative Array Keys
- Get All Associative Array Values
Overview
*
and @
are bash syntax elements that tokenize arrays. They are used to process command line argument ($*
, $@
and "$@"
), values for indexed arrays, keys and values for associative arrays, etc.
The difference between these two syntax elements becomes apparent when the array elements contain spaces: