TLDR
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read

 
BASH builtin for retrieving data from standard input. 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

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