record partial shell practise

#!/bin/sh


cp $1 backup.ini

function pre_process()
{
    echo "1. pre_process";
    #Remove line with '#' beginning
    sed -i '/^\#/d' backup.ini
    
    #Remove space line
    grep -v "^$" backup.ini > tmp.ini
    mv tmp.ini backup.ini

    #Remove the beginning four charactor
    sed -r 's/.{4}//' backup.ini > tmp.ini
}

# input str
# return line num of first cuured input str
function process_burst_reg0()
{
    #Find matched line for specified charactor
    echo 'Finding page pos of burst reg';
    echo $1
    local a=1
    while read line
    do
       if [[ $line =~ $1 ]]
       then 
	       echo "${a}"
	       break;
       else
           ((a++));
       fi
    done < tmp.ini
    return ${a};
}

function process_burst_reg1()
{
    process_burst_reg0 '00 29';
    local a=$?;
    echo "return $a";
}

pre_process;
process_burst_reg1;

exit 0;

#!/bin/sh

# 显示文件大小
# ls -lh
#
# 显示文件修改时间及排序
# ls -lt   or ll -t
#
# 已知一个文件的路径，i. 如何从完整路径获取文件名
#                    ii.如何得到所在路径
# e.g 
#    path:  /lib/a/b/c/d.txt
#    i. 如何获取 d.txt
#   ii. 如何获取 /lib/a/b/c
#  iii. 如何去掉.txt，仅获取 d 字符

echo
PATHNAME=/lib/a/b/c/d.txt

echo
echo -e "路径:\n\t $PATHNAME"
echo

FILENAME=$(basename $PATHNAME)

echo "获取文件名 using: basename [PATHNAME]"
echo -e "文件名:\n\t $FILENAME"
echo

DIRNAME=$(dirname $PATHNAME)

echo "获取目录 using: dirname [PATHNAME]"
echo -e "目录名:\n\t $DIRNAME"
echo

echo "去掉属性字符 using: basename [PATHNAME] .txt(视具体情况更改)"
echo -e "\n\t $(basename $PATHNAME .txt)"
echo

# 一行一行浏览文件，一定程度上比 cat 好用的命令
# less [FILE]
# 使用Page UP/DOWN 或 上下快捷键 导航