You might try this: 

$ perl -e 'die "error:  @ARGV[0]" if @ARGV[0] =~ /\\/' foo\\bar
error:  foo\bar at -e line 1.

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In reply to Re: [SHELL] Detect backslash in command line args by Laurent_R
in thread [SHELL] Detect backslash in command line args by syphilis

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