字符串操作：截取、awk分段顯示

#!/bin/bash

m_d=`date`

p4_src=`echo $m_d | awk '{print $4}'`
p4_1="${p4_src:0-0:2}"
p4_2="${p4_src:0-2:2}"
p4_3="${p4_src:0-5:2}"
p4="$p4_1""-$p4_2""-$p4_3"

echo $p4_src $p4_1 $p4_2 $p4_3 $p4_4 $p4

dir_name="`echo $m_d | awk '{print $5}'`""-""`echo $m_d | awk '{print $6}'`""-""`echo $m_d | awk '{print $2}'`""-""`echo $m_d | awk '{print $3}'`""-""$p4""-""`echo $m_d | awk '{print $1}'`"
dst_dir=~/$dir_name

echo $dst_dir

mkdir $dst_dir


find ./ -name 3D_IP_Camera.cpp | xargs -i cp {} $dst_dir/
find ./ -name 3D_IP_Camera.h | xargs -i cp {} $dst_dir/
find ./ -name sys_config.h | xargs -i cp {} $dst_dir/
find ./ -name sys_config.h | xargs -i cp {} $dst_dir/
find ./ -name sys_config.cpp | xargs -i cp {} $dst_dir/
find ./ -name picture_capturer.h | xargs -i cp {} $dst_dir/
find ./ -name picture_capturer.cpp | xargs -i cp {} $dst_dir/
find ./ -name camera_sdk_common.h | xargs -i cp {} $dst_dir/

cd ~/
tar jcvf $dir_name.tar.bz2 $dir_name
rm $dir_name -rf