linux执行脚本报错: No such file or directory

执行一个linux 的脚本的时候报错：

# ./py_innodb_page_info.py /mysql/data/gw/t.ibd

: No such file or directory

trace跟踪一下：

execve("./py_innodb_page_info.py", ["./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = 0

brk(0)                                  = 0x62c000

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7effbb9f2000

access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)

open("/etc/ld.so.cache", O_RDONLY)      = 3

fstat(3, {st_mode=S_IFREG|0644, st_size=127167, ...}) = 0

mmap(NULL, 127167, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7effbb9d2000

close(3)                                = 0

open("/lib64/libc.so.6", O_RDONLY)      = 3

read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p\356\341,=\0\0\0"..., 832) = 832

fstat(3, {st_mode=S_IFREG|0755, st_size=1926760, ...}) = 0

mmap(0x3d2ce00000, 3750152, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3d2ce00000

mprotect(0x3d2cf8a000, 2097152, PROT_NONE) = 0

mmap(0x3d2d18a000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18a000) = 0x3d2d18a000

mmap(0x3d2d18f000, 18696, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3d2d18f000

close(3)                                = 0

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7effbb9d1000

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7effbb9d0000

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7effbb9cf000

arch_prctl(ARCH_SET_FS, 0x7effbb9d0700) = 0

mprotect(0x3d2d18a000, 16384, PROT_READ) = 0

mprotect(0x3d2c81f000, 4096, PROT_READ) = 0

munmap(0x7effbb9d2000, 127167)          = 0

brk(0)                                  = 0x62c000

brk(0x64d000)                           = 0x64d000

open("/usr/lib/locale/locale-archive", O_RDONLY) = 3

fstat(3, {st_mode=S_IFREG|0644, st_size=99158576, ...}) = 0

mmap(NULL, 99158576, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7effb5b3e000

close(3)                                = 0

execve("/usr/lib64/qt-3.3/bin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/usr/local/sbin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/usr/local/bin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/sbin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/bin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/usr/sbin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/usr/bin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/root/bin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

execve("/mysql/base/bin/python \r", ["python \r", "./py_innodb_page_info.py", "/mysql/data/gw/t.ibd"], [/* 33 vars */]) = -1 ENOENT (No such file or directory)

write(2, "/usr/bin/env: ", 14/usr/bin/env: )          = 14

)                = 8, 8python 

open("/usr/share/locale/locale.alias", O_RDONLY) = 3

fstat(3, {st_mode=S_IFREG|0644, st_size=2512, ...}) = 0

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7effbb9f1000

read(3, "# Locale name alias data base.\n#"..., 4096) = 2512

read(3, "", 4096)                       = 0

close(3)                                = 0

munmap(0x7effbb9f1000, 4096)            = 0

open("/usr/share/locale/en_US.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/usr/share/locale/en_US.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/usr/share/locale/en_US/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/usr/share/locale/en.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/usr/share/locale/en.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/usr/share/locale/en/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)

write(2, ": No such file or directory", 27: No such file or directory) = 27

write(2, "\n", 1

)                       = 1

close(1)                                = 0

close(2)                                = 0

exit_group(127)                         = ?

vi查看这个脚本的格式：

发现这个脚本是dos格式的，从win上传来的，执行dos2unix转换后，脚本可以正常执行。