20 lines
420 B
Bash
20 lines
420 B
Bash
#!/bin/bash
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# keypress.sh: Detect a user keypress ("hot keyboard").
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echo
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old_tty_settings=$(stty -g) # Save old settings.
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stty -icanon
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Keypress=$(head -c1) # or $(dd bs=1 count=1 2> /dev/null)
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# on non-GNU systems
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echo
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echo "Key pressed was \""$Keypress"\"."
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echo
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stty "$old_tty_settings" # Restore old settings.
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# Thanks, Stephane Chazelas.
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exit 0
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