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Merge pull request #619 from mhienle/patch-1

Fix typos
This commit is contained in:
Rico Sta. Cruz
2018-07-21 11:02:46 +08:00
committed by GitHub

View File

@@ -119,15 +119,15 @@ Parameter expansions
name="John"
echo ${name}
echo ${name/J/j} #=> "john" (substitution)
echo ${name:0:2} #=> "jo" (slicing)
echo ${name::2} #=> "jo" (slicing)
echo ${name::-1} #=> "joh" (slicing)
echo ${name:0:2} #=> "Jo" (slicing)
echo ${name::2} #=> "Jo" (slicing)
echo ${name::-1} #=> "Joh" (slicing)
echo ${food:-Cake} #=> $food or "Cake"
```
```bash
length=2
echo ${name:0:length} #=> "jo"
echo ${name:0:length} #=> "Jo"
```
See: [Parameter expansion](http://wiki.bash-hackers.org/syntax/pe)