将参数传递给带有空格的目录的命令行 [英] Passing arguments to commandline with directories having spaces

问题描述

我正在从perl进行ContentCheck.pl的系统调用，并将参数传递给目录(具有空格).因此，我用引号将它们传递，但它们并未在ContentCheck.pl文件中被选中

I am making a system call from perl for ContentCheck.pl and passing parameters with directories (having spaces). So I pass them in quotes, but they are not being picked up in the ContentCheck.pl file

Random.pm1)

Random.pm 1)

my $call = "$perlExe $contentcheck -t $target_path -b $base_path -o $output_path -s $size_threshold";
print "\ncall: ".$call."\n";
system($call);

Contentcheck.pl

Contentcheck.pl

    use vars qw($opt_t $opt_b $opt_o $opt_n $opt_s $opt_h);  # initialize
    getopts('t:b:o:n:s:h') or do{ 
    print "*** Error:  Invalid command line option.  Use option -h  for help.\a\n";
    exit 1};

    if ($opt_h) {print $UsagePage; exit; }

    my $tar;
    if ($opt_t) {$tar=$opt_t; print "\ntarget ".$tar."\n";} else {
    print " in target";
    print 
     "*** Error:  Invalid command line option.  Use option -h  for help.\a\n";
    exit 1;}
    my $base;
    if ($opt_b) {$base=$opt_b;} else {
    print "\nin base\n";
    print "*** Error:  Invalid command line option.  Use option -h  for help.\a\n";
    exit 1;}

这是命令行中的输出

call: D:\tools\PacketCreationTool/bin/perl/winx64/bin/perl.exe D:/tools/PacketCr
eationTool/scripts/ContentCheck.pl -t "C:/Documents and Settings/pkkonath/Deskto
p/saved/myMockName.TGZ" -b "input file/myMockName.TGZ" -o myMockName.validate -s
 10

target C:/Documents

in base
*** Error:  Invalid command line option.  Use option -h  for help.

欢迎任何建议！谢谢.

2)当我这样通过时

my $call = "$perlExe $contentcheck -t \"$target_path\" -b \"$base_path\" -o $output_path -s $size_threshold";
print "\ncall: ".$call."\n";
system($call);

这是输出

call: D:\tools\PacketCreationTool/bin/perl/winx64/bin/perl.exe D:/tools/PacketCr
eationTool/scripts/ContentCheck.pl -t ""C:/Documents and Settings/pkkonath/Deskt
op/saved/myMockName.TGZ"" -b ""input file/myMockName.TGZ"" -o myMockName.validat
e -s 10

target C:/Documents

in base
*** Error:  Invalid command line option.  Use option -h  for help.

3)

my $call = "$perlExe, $contentcheck, '-t', $target_path, '-b', $base_path, '-o', $output_path, '-s', $size_threshold";
print "\ncall: ".$call."\n";
system($call);

这是输出:

Can't open perl script ",": No such file or directory

推荐答案

请改用 system 的多参数形式.这样可以避免处理外壳转义问题，因此更加安全.

Use the multi-argument form of system instead. This will save you from having to deal with shell-escaping issues, and is therefore a lot safer.

system( $perlExe, $contentcheck, '-t', $target_path, '-b', $base_path, '-o', $output_path, '-s', $size_threshold );

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