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if list then
do something here
elif list then
do another thing here
else
do something else here
fi
EX1:
#!/bin/sh
SYSTEM=`uname -s` #»ñÈ¡²Ù×÷ϵͳÀàÐÍ£¬ÎÒ±¾µØÊÇlinux
if [ $SYSTEM = "Linux" ] ; then #Èç¹ûÊÇlinuxµÄ»°´òÓ¡linux×Ö·û´®
echo "Linux"
elif [ $SYSTEM = "FreeBSD" ] ; then
echo "FreeBSD"
elif [ $SYSTEM = "Solaris" ] ; then
echo "Solaris"
else
echo "What?"
fi #ifend
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1 ×Ö·û´®ÅжÏ
str1 = str2¡¡¡¡¡¡¡¡¡¡¡¡µ±Á½¸ö´®ÓÐÏàͬÄÚÈÝ¡¢³¤¶ÈÊ±ÎªÕæ
str1 != str2¡¡¡¡¡¡¡¡¡¡ µ±´®str1ºÍstr2²»µÈÊ±ÎªÕæ
-n str1¡¡¡¡¡¡¡¡¡¡¡¡¡¡ µ±´®µÄ³¤¶È´óÓÚ0Ê±ÎªÕæ(´®·Ç¿Õ)
-z str1¡¡¡¡¡¡¡¡¡¡¡¡¡¡ µ±´®µÄ³¤¶ÈΪ0Ê±ÎªÕæ(¿Õ´®)
str1¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ µ±´®str1Ϊ·Ç¿ÕÊ±ÎªÕæ
2 Êý×ÖµÄÅжÏ
int1 -eq int2¡¡¡¡¡¡¡¡Á½ÊýÏàµÈÎªÕæ
int1 -ne int2¡¡¡¡¡¡¡¡Á½Êý²»µÈÎªÕæ
int1 -gt int2¡¡¡¡¡¡¡¡int1´óÓÚint2ÎªÕæ
int1 -ge int2¡¡¡¡¡¡¡¡int1´óÓÚµÈÓÚint2ÎªÕæ
int1 -lt int2¡¡¡¡¡¡¡¡int1СÓÚint2ÎªÕæ
int1 -le int2¡¡¡¡¡¡¡¡int1СÓÚµÈÓÚint2ÎªÕæ
3 ÎļþµÄÅжÏ
-r file¡¡¡¡¡¡¡¡¡¡Óû§¿É¶ÁÎªÕæ
-w file¡¡¡¡¡¡¡¡¡¡Óû§¿ÉÐ´ÎªÕæ
-x file¡¡¡¡¡¡¡¡¡¡Óû§¿ÉÖ´ÐÐÎªÕæ
-f file¡¡¡¡¡¡¡¡¡¡ÎļþΪÕý¹æÎļþÎªÕæ
-d file¡¡¡¡¡¡¡¡¡¡ÎļþÎªÄ¿Â¼ÎªÕæ
-c file¡¡¡¡¡¡¡¡¡¡ÎļþΪ×Ö·ûÌØÊâÎļþÎªÕæ
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-t file¡¡¡¡¡¡¡¡¡¡µ±ÎļþÃèÊö·û(ĬÈÏΪ1)Ö¸¶¨µÄÉ豸ΪÖÕ¶ËÊ±ÎªÕæ
3 ¸´ÔÓÂß¼ÅжÏ
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--------------------------------------------------------------------------------------------
from
Jesper Juhl <>
Subject
Documentation - how to apply patches for various trees
Date
Tue, 2 Aug 2005 23:32:20 +0200
Hi,
How to apply the -rc, -git, ......
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#vi /etc/profile
#Set Environment by NetSeek (2005/9/5)
export JAVA_HOME=/usr/jdk
export JRE_HOME=/usr/jdk/jre
PA ......
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