Bash * and @ Relative to Array Elements: Difference between revisions
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=Overview= | =Overview= | ||
<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>"$@"</code>), [[Bash_Arrays#Reference_All_Indexed_Array_Elements|values for indexed arrays]], keys and values for associative arrays, etc. | <code>*</code> and <code>@</code> are bash syntax elements that tokenize arrays. They are used to process command line argument (<code>$*</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. | |||
=<tt>...*</tt>= | |||
=<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.