我正在研究一个bash脚本来增加VPS服务器上的/ tmp,并且我希望使它更清洁/更高效,而无需重复相同的命令,无论哪个选项采摘。以下是它现在的结构:减少在bash脚本中重复的命令
#!/bin/bash
showMenu() {
echo "1) Increase /tmp size to 1 GB"
echo "2) Increase /tmp size to 2 GB"
echo "3) Quit"
}
while [ 1 ]
do
showMenu
read CHOICE
case "$CHOICE" in
"1")
/etc/init.d/mysql stop
/etc/init.d/httpd stop
/etc/init.d/cpanel stop
cp -af /var/tmp /var/tmp.bak
umount -l /var/tmp
umount -l /tmp
rm -f /usr/tmpDSK
dd if=/dev/zero of=/usr/tmpDSK bs=1M count=1k
mkfs.ext3 -F /usr/tmpDSK
mount -t ext3 -o nosuid,noexec,loop /usr/tmpDSK /tmp
mount -o bind,noexec,nosuid /tmp /var/tmp
cp -a /var/tmp.bak/* /tmp/
rm -rf /var/tmp.bak/
chmod 1777 /tmp
/etc/init.d/mysql start
/etc/init.d/httpd start
/etc/init.d/cpanel start
df -h
exit 1
;;
"2")
/etc/init.d/mysql stop
/etc/init.d/httpd stop
/etc/init.d/cpanel stop
cp -af /var/tmp /var/tmp.bak
umount -l /var/tmp
umount -l /tmp
rm -f /usr/tmpDSK
dd if=/dev/zero of=/usr/tmpDSK bs=1M count=2k
mkfs.ext3 -F /usr/tmpDSK
mount -t ext3 -o nosuid,noexec,loop /usr/tmpDSK /tmp
mount -o bind,noexec,nosuid /tmp /var/tmp
cp -a /var/tmp.bak/* /tmp/
rm -rf /var/tmp.bak/
chmod 1777 /tmp
/etc/init.d/mysql start
/etc/init.d/httpd start
/etc/init.d/cpanel start
df -h
exit 1
;;
"3")
exit 1
;;
esac
done
我基本上只想在这个过程中只启动一次冗余命令。你能给我一个想法或想法,以最好的方式来做到这一点?
谢谢。
这很奇怪。代码已经展示了知识和一个功能的好例子。为什么不利用这些知识? – wallyk 2012-07-06 20:15:59