Mac OS X Lion에서 Perl 프로그램이 멈추는 이유는 무엇입니까?

Question

MacOS X Lion으로 업그레이드했습니다. 그 후, 나는 최신 버전 (2.0.1)에 MacPorts를 업데이트했고 다음과 같은 펄 업데이트 :

이

[Khang-Le-Nguyens-MacBook-Pro:~] khanglenguyen% perl -V 
Summary of my perl5 (revision 5 version 12 subversion 3) configuration: 

    Platform: 
osname=darwin, osvers=11.0.0, archname=darwin-multi-2level 
uname='darwin khang-le-nguyens-macbook-pro.local 11.0.0 darwin kernel version 11.0.0: sat jun 18 12:56:35 pdt 2011; root:xnu-1699.22.73~1release_x86_64 x86_64 ' 
config_args='-D inc_version_list=5.12.2/darwin-multi-2level 5.12.2 5.12.1/darwin-multi-2level 5.12.1 5.12.0/darwin-multi-2level 5.12.0 -des -Dprefix=/opt/local -Dscriptdir=/opt/local/bin -Dcppflags=-I/opt/local/include -Dccflags=-pipe -O2 -arch x86_64 -Dldflags=-L/opt/local/lib -arch x86_64 -Dvendorprefix=/opt/local -Dusemultiplicity=y -D cc=/Developer/usr/bin/llvm-gcc-4.2 -D ld=/Developer/usr/bin/llvm-gcc-4.2 -D man1ext=1pm -D man3ext=3pm -D man1dir=/opt/local/share/man/man1p -D man3dir=/opt/local/share/man/man3p -D siteman1dir=/opt/local/share/man/man1 -D siteman3dir=/opt/local/share/man/man3 -D vendorman1dir=/opt/local/share/man/man1 -D vendorman3dir=/opt/local/share/man/man3 -D pager=/usr/bin/less -sR' 
hint=recommended, useposix=true, d_sigaction=define 
useithreads=undef, usemultiplicity=define 
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef 
use64bitint=define, use64bitall=define, uselongdouble=undef 
usemymalloc=n, bincompat5005=undef 
    Compiler: 
cc='/Developer/usr/bin/llvm-gcc-4.2', ccflags ='-pipe -O2 -arch x86_64 -fno-common -DPERL_DARWIN -I/opt/local/include -no-cpp-precomp -fno-strict-aliasing -fstack-protector -I/opt/local/include', 
optimize='-O3', 
cppflags='-I/opt/local/include -no-cpp-precomp -pipe -O2 -arch x86_64 -fno-common -DPERL_DARWIN -I/opt/local/include -no-cpp-precomp -fno-strict-aliasing -fstack-protector -I/opt/local/include' 
ccversion='', gccversion='4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)', gccosandvers='' 
intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678 
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16 
ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8 
alignbytes=8, prototype=define 
    Linker and Libraries: 
ld='env MACOSX_DEPLOYMENT_TARGET=10.3 /Developer/usr/bin/llvm-gcc-4.2', ldflags ='-L/opt/local/lib -arch x86_64 -fstack-protector' 
libpth=/opt/local/lib /usr/lib 
libs=-ldbm -ldl -lm -lutil -lc 
perllibs=-ldl -lm -lutil -lc 
libc=, so=dylib, useshrplib=false, libperl=libperl.a 
gnulibc_version='' 
    Dynamic Linking: 
dlsrc=dl_dlopen.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' ' 
cccdlflags=' ', lddlflags='-L/opt/local/lib -arch x86_64 -bundle -undefined dynamic_lookup -fstack-protector' 


Characteristics of this binary (from libperl): 
    Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV 
        PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_64_BIT_ALL 
        USE_64_BIT_INT USE_LARGE_FILES USE_PERLIO 
        USE_PERL_ATOF 
    Built under darwin 
    Compiled at Aug 10 2011 22:28:59 
    @INC: 
    /opt/local/lib/perl5/site_perl/5.12.3/darwin-multi-2level 
    /opt/local/lib/perl5/site_perl/5.12.3 
    /opt/local/lib/perl5/vendor_perl/5.12.3/darwin-multi-2level 
    /opt/local/lib/perl5/vendor_perl/5.12.3 
    /opt/local/lib/perl5/5.12.3/darwin-multi-2level 
    /opt/local/lib/perl5/5.12.3 
    /opt/local/lib/perl5/site_perl 
    /opt/local/lib/perl5/vendor_perl 

그러나, 펄 지금 얼어 붙었다되고 나는 이유 이해할 수 없다 :

[Khang-Le-Nguyens-MacBook-Pro] khanglenguyen% perl matchtopic.pl 

을

나는 오래 동안 기다렸지 만 아무 일도 일어나지 않습니다.

의견이 있으십니까?

Answer 1

예상대로 작동합니다. 이것은 당신이 사용하고있는 Perl의 버전과 아무 관련이 없습니다. 주석에 표시된대로 실행중인 스크립트는 인쇄하기 전에 입력 행을 기다립니다. 안으로 아무 것도 입력하지 않으면, 당신이 할 때까지 아무 것도하지 않을 것입니다.