[Solved] make this perl script work on window [closed]

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Reimplement grep in Perl, and then use system to call your new grep command:

# create a new perl script called "grep" in current directory
# put this near the beginning of your script
open GREP, ">grep";
print GREP <<'EOF';
#! perl
$regex = $ARGV[0];
while (<STDIN>) {
    print if $_ =~ $regex;
}
EOF

$yesterday = ...;
system("perl grep \"^2013/$yesterday-\" Log_2013_$yesterday*.txt > Log_2013_$yesterday.txt");

# note that you have to say  system("perl grep ...") now 
# and not just  system('grep ...")

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solved make this perl script work on window [closed]