mirror of
https://github.com/notwa/rc
synced 2024-06-29 02:17:12 -07:00
25 lines
795 B
Bash
25 lines
795 B
Bash
#!/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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wipe() { ### @-
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### clear the screen and its scrollback, then print a high-contrast horizontal line.
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### using this, you'll know with absolute certainty that you're looking at the top of your history,
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### and that your terminal's scrollback didn't cap out and eat text.
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###
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### **TODO:** rename because wipe(1) already exists.
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[ $# -le 0 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
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clear
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clear # twice because mintty is weird
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echo $'\033[30m\033[107m' | tr -d '$'
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if [ -n "${ZSH_VERSION:-}" ]; then
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printf '*%.0s' {1..$COLUMNS}
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else
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tput cols | awk '{for(i=0;i<$0;i++)printf "*"}'
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fi
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echo $'\033[0m\n' | tr -d '$'
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}
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[ "${SOURCING:-0}" -gt 0 ] || wipe "$@"
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