opt/bin/usize

   1 #!/bin/bash -i
   2 #
   3 # usize: Set urxvt (or terminal which understands the same escape sequences)
   4 #        size.
   5 # Usage: usize <width> [<height>]
   6 # Usage: usize x<width_multiplier> [x<height_multiplier>]
   7 #
   8
   9 width=${COLUMNS:-80}
  10 height=${LINES:-24}
  11 tmux_prefix=
  12
  13 case $# in
  14   0)
  15     echo "Usage: usize $width $height"
  16     exit 1
  17   ;;
  18   1) width=$1;;
  19   2) width=$1; height=$2;;
  20 esac
  21
  22 # Allow, eg, x2 for width or height.
  23 if [ ! "${width#x}" = "${width}" ]; then
  24   # Add a column for dividers.
  25   width=${width#x}
  26   width=$((width-1+(87*width)))
  27 fi
  28 if [ ! "${height#x}" = "${height}" ]; then
  29   height=${height#x}
  30   height=$((24*height))
  31   # Add a row for tmux.
  32   [ $height -gt 1 ] && height=$((height+2))
  33 fi
  34
  35 [ -n "$TMUX" ] && tmux_prefix="\033Ptmux;\033"
  36 echo -en "$tmux_prefix\033[8;$height;$width;t"
  37 exit 0