Update cheatsheets

linux/read

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# read
+
+> Shell builtin for retrieving data from `stdin`.
+> More information: <https://manned.org/read.1p>.
+
+- Store data that you type from the keyboard:
+
+`read {{variable}}`
+
+- Store each of the next lines you enter as values of an array:
+
+`read -a {{array}}`
+
+- Specify the number of maximum characters to be read:
+
+`read -n {{character_count}} {{variable}}`
+
+- Use a specific character as a delimiter instead of a new line:
+
+`read -d {{new_delimiter}} {{variable}}`
+
+- Do not let backslash (\) act as an escape character:
+
+`read -r {{variable}}`
+
+- Display a prompt before the input:
+
+`read -p "{{Enter your input here: }}" {{variable}}`
+
+- Do not echo typed characters (silent mode):
+
+`read -s {{variable}}`
+
+- Read `stdin` and perform an action on every line:
+
+`while read line; do echo "$line"; done`