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  1. if (! -d abc) { should be if (! -d 'abc') {

    use warnings; would have caught that:

    C:\test>perl -wE"if( -d abc ) { say 'hi' }" Unquoted string "abc" may clash with future reserved word at -e line 1 +. Name "main::abc" used only once: possible typo at -e line 1. -d on unopened filehandle abc at -e line 1.
  2. You cannot create a directory if a file of the same name already exists.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

RIP Neil Armstrong


In reply to Re: mkdir usage by BrowserUk
in thread mkdir usage by skyworld_chen

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