alvin alexander

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Nodes for the term “file exists”

Java “file exists” testing

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Perl: How to test if a file exists

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Perl “file test” characters (for if/then tests)

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alvinalexander.com is owned and operated by Valley Programming, LLC

In regards to links to Amazon.com, “As an Amazon Associate
I (Valley Programming, LLC) earn from qualifying purchases”

java: java tutorials; android tutorials; java applets; java faqs; intellij idea; eclipse ide; jdbc; jsp’s; java servlets; jfc-swing; kotlin

perl: perl tutorials; perl faqs; perl recipes; perl tutorials

Unix: linux tutorials; unix by example; tutorials; man (help) pages

programming: scala tutorials; drupal; flutter/dart; git; haskell; oop; php; mysql; postgresql; ruby; sencha; best practices; programming; software dev; testing; uml

misc: privacy policy; terms & conditions; apple/mac/iphone; career; design; funny/humor; function point
analysis (fpa); fpa tutorial; gadgets; technology; LaTeX; alaska; colorado; cvs tutorials; wincvs tutorial

free video courses: free scala 3 video course; free functional programming video course; free advanced scala 3 video course

other: contact me; rss feed; my photos; inspirational quotes; investing; 'personal' posts; science; zen, mindfulness; life in alaska; living in talkeetna, alaska