> I actually work with sequentially numbered files (so I do stringize the number)

That's why Perl allows incrementing strings (not only numeric ones)

 
main::(-e:1):   0
  DB<1> $_='0000'

  DB<2> p $_++
0000
  DB<3> p $_++
0001
  DB<4> p $_++
0002
  DB<5> $_='abcd'

  DB<6> p $_++
abcd
  DB<7> p $_++
abce
  DB<8> p $_++
abcf

[download]

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

In reply to Re^3: looping efficiency by LanX
in thread looping efficiency by Anonymous Monk

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