Bash Command Line Expansion: Difference between revisions
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Each line read by bash from command line is interpreted as a [[Bash_Concepts#Pipeline|pipeline]]: a sequence of commands separated by the [[Bash_Concepts#.7C|pipe character (|)]]. | Each line read by bash from command line is interpreted as a [[Bash_Concepts#Pipeline|pipeline]]: a sequence of commands separated by the [[Bash_Concepts#.7C|pipe character (|)]]. | ||
Command processing starts by checking the first word of the command against an alias list, and if a match is found, the alias is replaced. | |||
Then the result is parsed into tokens by using [[Bash_Concepts#Metacharacters|metacharacters]] as separators. |
Revision as of 00:06, 9 September 2017
Internal
Overview
Each line read by bash from command line is interpreted as a pipeline: a sequence of commands separated by the pipe character (|).
Command processing starts by checking the first word of the command against an alias list, and if a match is found, the alias is replaced.
Then the result is parsed into tokens by using metacharacters as separators.