wonderall 于 2011-09-20 13:08:23发表:
是没什么问题！呵呵！是我写错了，没有将它赋值给变量！多谢大家！
aaa12 于 2011-09-19 17:50:36发表:
shell比较弱、观望了
ICEEN 于 2011-09-19 12:43:42发表:
[soft01@localhost ~]$ echo ${PATH:-WORD} /opt/jdk1.6.0_03/bin://usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/opt/real/RealPlayer:/home/soft01/bin:/opt/mysql/bin:/home/soft01/bin:/opt/real/RealPlayer [soft01@localhost ~]$ echo ${P:-WORD} WORD [soft01@localhost ~]$ 没问题，把你的贴出来
wonderall 于 2011-09-20 13:08:23发表:
是没什么问题！呵呵！是我写错了，没有将它赋值给变量！多谢大家！
aaa12 于 2011-09-19 17:50:36发表:
shell比较弱、观望了
ICEEN 于 2011-09-19 12:43:42发表:
[soft01@localhost ~]$ echo ${PATH:-WORD}
/opt/jdk1.6.0_03/bin://usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/opt/real/RealPlayer:/home/soft01/bin:/opt/mysql/bin:/home/soft01/bin:/opt/real/RealPlayer
[soft01@localhost ~]$ echo ${P:-WORD}
WORD
[soft01@localhost ~]$
没问题，把你的贴出来