Create a temporary file, and run that using system, or use pipe open (see perlopentut, perlipc), untested example 
open SH, '|/bin/sh --some-switch-sh-understands--important' or die $!;
print SH <DATA>;
close SH;

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In reply to Re: Running Entire Bash Script Inside Perl by Anonymous Monk
in thread Running Entire Bash Script Inside Perl by bichonfrise74

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