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November 19, 2023 16:12
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xterm付属のresizeコマンドのbashスクリプトによる手抜き再実装
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#!/bin/bash | |
# | |
# resize.bash -- resize コマンドの手抜き再実装 (bashスクリプト) | |
# | |
# xterm の付属コマンド resize[*1] の機能の内、端末(エミュレータ)の現在の | |
# サイズを調べて TTY の設定を合わせる機能の実装例です。 | |
# | |
# 原理: | |
# rubyスクリプト版[*2]を参照 | |
# | |
# *1: http://invisible-island.net/xterm/manpage/resize.html | |
# *2: https://gist.github.com/ttdoda/413834b50497d63feadad750ce787c85 | |
# | |
# License: CC0 | |
echo -ne "\e7\e[9999;9999H\e[6n\e8" >&0 | |
IFS="[" read -d R -n 14 -t 1 -s dummy pos | |
eval $(echo $pos | { IFS=";" read rows cols; echo "rows=$rows; cols=$cols"; }) | |
if [ -n "$rows" -a -n "$cols" ]; then | |
stty cols $cols rows $rows | |
echo "COLUMNS=$cols;" | |
echo "LINES=$rows;" | |
echo "export COLUMNS LINES;" | |
fi |
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