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Escape Code

Escape Code to Change Cursor in Terminal

There is a special escape sequence that can set the cursor shape. 

echo -e "\e[6 q" # vertical line
  • \e: Escape character (also written as \033).
  • [6 q: Escape sequence to set the cursor shape.
    • 0 q: Blinking block
    • 1 q: Blinking block (default)
    • 2 q: Steady block
    • 3 q: Blinking underline
    • 4 q: Steady underline
    • 5 q: Blinking bar (vertical line)
    • 6 q: Steady bar (vertical line)

References: