今天有客戶反饋：perl編寫的cgi程序無法運行,報錯，查看日誌：
[Mon Aug 22 16:12:57 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:12:58 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:12:58 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:13:17 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:13:19 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:13:19 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:13:20 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:13:20 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:13:21 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
[Mon Aug 22 16:13:21 2011] [error] [client 59.57.251.34] Premature end of script headers: aaa.cgi
服務器端直接運行報錯：
[root@localhost cgi-bin]# ./aaa.cgi
-bash: ./aaa.cgi: /usr/bin/perl^M: bad interpreter: 沒有那個文件或目錄
root@localhost cgi-bin]# dos2unix aaa.cgi
重新覈實，ok!
分析：該文件格式不對，非二進制格式，導致。。。