#!bin/bash
java -version 2>&1|awk -F'"' 'NR==1{split($2,a,".");if(a[2]<5){ print "your java version is too low";system("exit 1");}}'
echo hello world
#!bin/bash
java -version 2>&1|awk -F'"' 'NR==1{split($2,a,".");if(a[2]<5)print "your java version is too low";}'
exit 1
echo hello world
[oracle@Minerva practice]$ echo $$
14258
[oracle@Minerva practice]$ awk 'BEGIN{system("echo $$")}'
17904
[oracle@Minerva practice]$
欢迎光临 Chinaunix (http://bbs.chinaunix.net/) | Powered by Discuz! X3.2 |