1..5
ok 1 - set playground="myhome/playground"
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ok 2 - set file1=myplay'/fifix_for_file1'
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ok 3 - set file2=myplay'/file2$'
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ok 4 - set file3=myplay'/f$i$l$e$3$'
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ok 5 - set file4=myplay'/fi\$le4'
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