mirror of
https://github.com/notwa/rc
synced 2024-11-05 02:29:06 -08:00
39 lines
1.1 KiB
Bash
Executable file
39 lines
1.1 KiB
Bash
Executable file
#!/usr/bin/env sh
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# YES_ZSH
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# YES_BASH
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# YES_DASH
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# YES_ASH
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### @ pause
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### pause — the companion script of [`confirm`.](#confirm)
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###
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### ```
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### $ pause
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### Press any key to continue
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### $
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### ```
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if [ -n "$ZSH_VERSION" ]; then
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pause() {
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[ $# -eq 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 2; }
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local c=
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read -sk $'?Press any key to continue\n' c
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}
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elif [ -n "$BASH_VERSION" ]; then
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pause() {
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[ $# -eq 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 2; }
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local c=
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read -n1 -sp $'Press any key to continue\n' c 2>&1
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} 1<>/dev/tty <&1 # ensure this interacts with a terminal instead of a pipe
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else
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pause() (
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[ $# -eq 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 2; }
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old="$(stty -g)"
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trap 'stty "$old"' INT EXIT
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printf 'Press any key to continue\n'
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stty -icanon -echo
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dd ibs=1 count=1 2>/dev/null >/dev/null
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) 1<>/dev/tty <&1 # ensure this interacts with a terminal instead of a pipe
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fi
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[ -n "${preload+-}" ] || pause "$@"
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