Perl: start command not found when running perl script using cygwin perl (Windows)

Question

Below is the code of setup.pl:

my  $fileToCopy= "ewq_file.bat";
my $destination = $ENV{PREPARE};   ### $destination = C:\Windows
if ( -f "$destination\\$fileToCopy" ) {
    print "Triggering $destination\\$fileToCopy\n";
    system("start $destination\\$fileToCopy"); 
}

On triggering: C:\cygwin\bin\perl.exe setup.pl

Output:

Triggering C:\Windows\ewq_file.bat
sh: start: command not found

How can i resolve this issue?

ikegami · Accepted Answer · 2023-03-17 14:51:10Z

5

You're using a unix build of Perl in a unix emulation environment. system thus uses sh unless you tell it otherwise. But start is a cmd builtin.

system( "cmd", "/c", "start", "", "$destination\\$fileToCopy" );

die( "Can't launch shell: $!\n"                   ) if $? == -1;
die( "Child killed by signal ".( $? & 0x7F )."\n" ) if $? & 0x7F;
die( "Child exited with error ".( $? >> 8 )."\n"  ) if $? >> 8;

answered Mar 17, 2023 at 14:51

ikegami

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