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环境: CentOS 5 + BASH
每次用export时总会看到后面一个提示: not a valid identifier ,但export后的PATH可以正常使用. 何故? 如下:
[root@lovexia shell]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/ossec/bin
[root@lovexia shell]# PATH=$PATH:/usr/local/mysql/bin
[root@lovexia shell]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/ossec/bin:/usr/local/mysql/bin
[root@lovexia shell]# export $PATH
-bash: export: `/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/ossec/bin:/usr/local/mysql/bin': not a valid identifier
[root@lovexia shell]# mysql ####我按了两个Tab
mysql mysqlhotcopy
mysqlaccess mysqlimport
mysqladmin mysql_install_db
mysqlbinlog mysql_secure_installation
mysqlbug mysql.server
mysqlcheck mysql_setpermission
mysql_client_test mysqlshow
mysql_config mysql_tableinfo
mysql_convert_table_format mysqltest
mysqld_multi mysqltestmanagerc
mysqld_safe mysqltestmanager-pwgen
mysqldump mysql_tzinfo_to_sql
mysqldumpslow mysql_upgrade |
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