put into ~/.bash_profile

atom_resize code

atom_resize () {
	FONT_SIZE="32px" 
	BASE_DIR=".atom" 
	TEACHING_STYLE="teaching-styles.less" 
	ATOM_STYLE="styles.less" 
	if grep -q Microsoft /proc/version > /dev/null 2>&1
	then
		TEACH_STYLE_PATH=~/winhome/${BASE_DIR}/${TEACHING_STYLE} 
		ATOM_STYLE_PATH=~/winhome/${BASE_DIR}/${ATOM_STYLE} 
	else
		TEACH_STYLE_PATH=${HOME}/${BASE_DIR}/${TEACHING_STYLE} 
		ATOM_STYLE_PATH=${HOME}/${BASE_DIR}/${ATOM_STYLE} 
	fi
	if [[ "$1" = "off" ]]
	then
		COMMENT="//" 
	elif [[ "$1" =~ ^[1-9]{1}[0-9]*(px|em|%)$ ]]
	then
		COMMENT="" 
		FONT_SIZE="$1" 
	elif [[ -z "$1" ]]
	then
		COMMENT="" 
	else
		echo "only \"off\" or \"[int](px|em|%)\" acceptable!"
		return
	fi
	cat > ${TEACH_STYLE_PATH} <<EOF
${COMMENT}@teaching-font-size: ${FONT_SIZE};
atom-text-editor, html, body, .tree-view, .tab-bar .tab {
  ${COMMENT}font-size: @teaching-font-size;
}
EOF
	IMPORT_STRING="@import \"${TEACHING_STYLE}\";" 
	if ! grep -q "${IMPORT_STRING}" "${ATOM_STYLE_PATH}"
	then
		echo "${IMPORT_STRING}" >> ${ATOM_STYLE_PATH}
	fi
	cat ${ATOM_STYLE_PATH} > "${ATOM_STYLE_PATH}.tmp"
	mv "${ATOM_STYLE_PATH}.tmp" ${ATOM_STYLE_PATH}
}