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Merge pull request #952 from hrvoj3e/patch-1 

slicing from right
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Rico Sta. Cruz 2018-12-25 20:34:48 +08:00 committed by GitHub
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@ -3,7 +3,7 @@ title: Bash scripting
category: CLI category: CLI
layout: 2017/sheet layout: 2017/sheet
tags: [Featured] tags: [Featured]
updated: 2018-11-19 updated: 2018-12-25
keywords: keywords:
- Variables - Variables
- Functions - Functions
@ -122,6 +122,8 @@ echo ${name/J/j} #=> "john" (substitution)
echo ${name:0:2} #=> "Jo" (slicing) echo ${name:0:2} #=> "Jo" (slicing)
echo ${name::2} #=> "Jo" (slicing) echo ${name::2} #=> "Jo" (slicing)
echo ${name::-1} #=> "Joh" (slicing) echo ${name::-1} #=> "Joh" (slicing)
echo ${name:(-1)} #=> "n" (slicing from right)
echo ${name:(-2):1} #=> "h" (slicing from right)
echo ${food:-Cake} #=> $food or "Cake" echo ${food:-Cake} #=> $food or "Cake"
``` ```