abs=-1;
printf "the number is : %d\n" $abs;
printf "abs is : %d\n" $abs;
if [ $abs -lt 0 ]; then
? let abs=0-$abs;
fi
printf "abs is : %d\n" $abs;
printf "the number is : %d\n" $abs;
printf "abs is : %d\n" $abs;
if [ $abs -lt 0 ]; then
? let abs=0-$abs;
fi
printf "abs is : %d\n" $abs;
Point and macro(宏))
—HTTP的連接)
—HTTP實體和編碼)
—客戶端的識別與cookie機制)
)
配置小記 -- 文檔記錄)
—HTTP摘要認證)
—HTTP認證機制)
