You should reread the error message you got there.
perl -MFatal+qw/open close/ -e 'open( F, "fasel"); print <F>;close F;'
Can't open perl script "close/": No such file or directory
should be written
perl -MFatal=open,close -e 'open( F, "fasel"); print <F>;close F;'
or on win32:
perl -MFatal=open,close -e "open( F, q(fasel)); print <F>; close F;"
which produces
Can't open(F, fasel): No such file or directory at (eval 1) line 3
main::__ANON__('F', 'fasel') called at -e line 1
---
$world=~s/war/peace/g
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