Re^2: Finding values position in array

I though of grep but when I checked the doc page (which is thin to say the least) I couldn't see a way of using it. Would you be kind enough to give an example?

Comment on Re^2: Finding values position in array

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Re^3: Finding values position in array by oko1 (Deacon) on Apr 14, 2008 at 02:45 UTC
`ben@Tyr:~$ perl -we'@list = 1..24; print "'4' found at \$list[$_]\n" f +or grep { $list[$_] =~ /4/ } 0 .. $#list' 4 found at $list[3] 4 found at $list[13] 4 found at $list[23] ben@Tyr:~$ perl -we'@list = 1..24; print "'4' found at \$list[$_]\n" f +or grep { $list[$_] =~ /^4$/ } 0 .. $#list' 4 found at $list[3]` [download] The first example matches '4' anywhere in the element; the second one is a precise match. -- Human history becomes more and more a race between education and catastrophe. -- HG Wells	[reply] [d/l]

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Re^3: Finding values position in array
by oko1 (Deacon) on Apr 14, 2008 at 02:45 UTC

ben@Tyr:~$ perl -we'@list = 1..24; print "'4' found at \$list[$_]\n" f
+or grep { $list[$_] =~ /4/ } 0 .. $#list'
4 found at $list[3]
4 found at $list[13]
4 found at $list[23]
ben@Tyr:~$ perl -we'@list = 1..24; print "'4' found at \$list[$_]\n" f
+or grep { $list[$_] =~ /^4$/ } 0 .. $#list'
4 found at $list[3]
[download]

The first example matches '4' anywhere in the element; the second one is a precise match.


-- 
Human history becomes more and more a race between education and catastrophe. -- HG Wells

[reply]
[d/l]