我正在研究一個bash腳本來增加VPS服務器上的/ tmp,並且我希望使它更清潔/更高效,而無需重複相同的命令,無論哪個選項採摘。以下是它現在的結構:減少在bash腳本中重複的命令
#!/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
我基本上只想在這個過程中只啓動一次冗餘命令。你能給我一個想法或想法,以最好的方式來做到這一點?
謝謝。
這很奇怪。代碼已經展示了知識和一個功能的好例子。爲什麼不利用這些知識? – wallyk 2012-07-06 20:15:59