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bash alias vs function vs script

GitPaulo answered on March 7, 2022 Popularity 3/10 Helpfulness 7/10

answer bash alias vs function vs script

bash alias vs function vs script

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Multiple ways of doing things but they differ,

alias:
- aliases are not available in shell scripts — for instance, 
in non-interactive shells
- limited bash functionaliy in here because of syntax

functions:
- functions available in the shell can be checked using the typeset command
- functions are more programmatic, and we can use loops and conditions within them. 
- functions can be made to output their source

If there’s something we do repetitively that’s too complex to be an alias, we should create a Bash function. 

script:
- anything goes here, full power

scripts should ideally be env independant and standalone

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Contributed on Mar 07 2022

GitPaulo

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