開始試着修改initrd做miniLinux,需要向其中添加命令,慢慢完善。但是用ldd命令查看哪些大串的庫再拷貝實在是糾結~
自動實現一下:
描述:
輸入命令後,自動尋找命令位置,將命令拷到對應根位置後,並且查詢到所需的庫文件,逐一的拷貝到定義好的位置。
第二次修改給腳本添加了了參數,實現了可以在腳本中調用,並且直接傳 遞命令選項給腳本的功能;但是用戶使用的時候可以指定以交互式方式進行;
缺陷:能夠實現的拷貝有侷限,由於對/lib、/usr/lib、 /usr/local/lib幾個位置區分比較麻煩,
現在腳本還進能實現拷貝/lib下的庫到對應威之下的功能;有時間了會不斷改進;
- #!/bin/bash
- #Author: Mo
- #Descripution: auto copy libs to specify site.
- #Date & Time: 2011-03-10-20:04:31
#Version : 1.2.1
#
sysroot=/mnt/sysroot
file=`mktemp /tmp/lddtmp.XXXX`
mytrap() {
rm -rf ${file}
echo -e "\nQuit........\n "
exit 1
}
trap "mytrap" SIGINT
#read -p "Input your command: " comm
while getopts ':s:u' SWITCH;do
case $SWITCH in
s) comm=$OPTARG
echo "$OPTARG"
;;
u) read -p "Input your command: " comm
;;
\?) echo -e "Unknown option...\nUSAG: ./autolib.sh [-u]|[-s command]."
exit 1
;;
esac
done
if ! which $comm &>/dev/null ;then
echo -e "\033[31mNo command:\033[0m ${comm}"
exit 1
else
cpath=`which --skip-alias ${comm}`
ldd ${cpath} | grep ".*[[:space:]]/.*[[:space:]]" | sed "s@.*[[:space:]]\(/.*[[:space:]]\)(.*)@\1@g" > ${file}
#cp command
cp -u ${cpath} ${sysroot}${cpath}
sync
#cp libs
#NOTICE: this shell below can onlp copy libs from directory /lib , ro it may case problem;
while read LINE ;do
if [ -h $LINE ];then
orglib=`ls -l $LINE | awk '{printf $11}'`
/bin/cp -d $LINE "${sysroot}/lib"
/bin/cp -d /lib/${orglib} "${sysroot}/lib"
sync
else
/bin/cp -d $LINE "${sysroot}/lib"
fi
done < ${file}
sync;sync
echo -e "Path: " ${cpath} "\nAll have synced."
fi
#do some cleaning...
rm -f ${file}
wait
echo "Copy has done."