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docs: update

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Dylan Araps 2018-06-14 09:40:34 +10:00
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commit 770dd895bc
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README.md
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@ -229,7 +229,11 @@ file_data="$(<"file")"
Alternative to the `cat` command.
```sh
# Bash <4
IFS=$'\n' read -d "" -ra file_data < "file"
# Bash 4+
mapfile -t file_data < "file"
```
### Get the first N lines of a file.