Smartpage

#!/bin/sh
#
# Smartpage: use the pager only if the output does not fit on the screen
#
# This program is using the GNU/GPLv3 License <http://www.gnu.org/licenses/>

REAL_PAGER="less -r"
FILE="/tmp/.pager"
WIDTH="$(stty size | cut -d ' ' -f 2)"
HEIGHT="$(stty size | cut -d ' ' -f 1)"

fold -w "$WIDTH" "$@" > "$FILE"
chmod 600 "$FILE"
if [ "$(wc -l "$FILE" | cut -d ' ' -f 1)" -lt "$HEIGHT" ] ; then
    cat "$FILE"
else
    $REAL_PAGER "$FILE"
fi
rm "$FILE"