Seems like there is no -d option.I get the following output 

OUTPUT:-
Z:>xargs -d \n p4 delete < deletefiles.txt
xargs: illegal option -- d
Usage: xargs [-0prtx] [-e[eof-str]] [-i[replace-str]] [-l[max-lines]]
       [-n max-args] [-s max-chars] [-P max-procs] [--null] [--eof[=eo
+f-str]]
       [--replace[=replace-str]] [--max-lines[=max-lines]] [--interact
+ive]
       [--max-chars=max-chars] [--verbose] [--exit] [--max-procs=max-p
+rocs]
       [--max-args=max-args] [--no-run-if-empty] [command [initial-arg
+uments]]

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In reply to Re^2: how to write a perl one liner? by perl_mystery
in thread how to write a perl one liner? by perl_mystery

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