output.pl

line 1-2:

perl $B$N=j:_CO$G$9!#(B

line 3-4:

$B%U%!%$%kL>$r%-!<%\!<%I$+$iF~NO$7$^$9!#%-!<%\!<%IF~NO$O(B <STDIN> $B$+$i$filename $B$KBeF~$7$^$9!#:G8e$K!"(B chomp $B$K$h$C$F2~9TJ8;z$r:o=|$7$^$9!#(B 4 $B9TL\$O

$filename = <STDIN>;
chom $filename;

line 5:

$BJQ?t(B $filename $B$KBeF~$5$l$F$$$k%U%!%$%kL>$r!"(B$B%U%!%$%k%O%s%I%k(B IN $B$K7k$SIU$1$^$9!#(B opne $B$G7k$S$D$1$?%U%!%$%k%O%s%I%k$H%U%!%$%k$O!"(B 13 $B9TL\$N(B close $B$K$h$C$F@ZCG$5$l!"%U%!%$%k$,JD$8$i$l$^$9!#(B

|| $B0J9_$O!"%U%!%$%k!&%*!<%W%s$,<:GT$7$?>l9g$Kdie $B$O8eB3$N0z?t$r%b%K%?$KI=<($7$F%9%/%j%W%H$N$! $B$O%7%9%F%`%(%i!<%a%C%;!<%8$rJ]B8$7$F$$$kFC

line 6-7:

$B8!:wBP>]J8;zNs$r%-!<%\!<%I$+$iF~NO$7$^$9!#%-!<%\!<%IF~NO$O(B <STDIN> $B$+$i$pattern $B$KBeF~$7$^$9!#:G8e$K!"(B chomp $B$K$h$C$F2~9TJ8;z$r:o=|$7$^$9!#(B 4 $B9TL\$O

$pattern = <STDIN>;
chom $pattern;

line 8-12:

while $B@a$G(B$B7+$jJV$7(B$B$r0UL#$7$^$9!#(B

8 $B9TL\$N>r7oJ8$,??$G$"$l$P(B 9-11 $B9TL\$N%V%m%C%/Fb$r

line 8:

$B$3$N9T$N>r7oJ8(B (<IN>) $B$O>JN,7A$G$9!#>JN,$7$J$$$G5-=R$9$k$H!"(B ($line = <IN>) $B$H$J$j$^$9!#>e$N%9%/%j%W%H$G$OBeF~$9$k$Y$-JQ?tL>$,>JN,$5$l$F$$$^$9$,!"$3$N$h$&$J>l9g$O(B Perl $B$G$OI8=`JQ?t(B $_ $B$KBeF~$5$l$k7h$^$j$K$J$C$F$$$^$9!#$3$N>r7oJ8$O!"%U%!%$%k%O%s%I%k$+$iFI$_9~$a$l$P!V??!W!"FI$_9~$a$J$1$l$P!V56!W$HH=CG$5$l$^$9!#(B

line 9-11:

if $B@a$G(B$B>r7oJ,4t(B$B$r0UL#$7$^$9!#(B

9 $B9TL\$N>r7oJ8$,??$G$"$l$P(B 10 $B9TL\$N%V%m%C%/Fb$,

line 9:

$B$3$N9T$N>r7oJ8(B (/$pattern/) $B$O>JN,7A$G$9!#JQ?t$,>JN,$5$l$k$HI8=`JQ?t$,;H$o$l$kLsB+$G$9$N$G!">JN,$7$J$$$G5-=R$9$k$H!"(B $_ = /$pattern/ $B$H$J$j$^$9!#$3$N9T$O!"!VJQ?t(B $_ $B$K!"JQ?t(B $pattern $B$KBP1~$9$k%Q%?!<%s$,B8:_$9$l$P??!W$G$"$k$3$H$r0UL#$7$^$9!#Nc$($P(B $pattern $B$KJ8;zNs(B hogehoge $B$,BeF~$5$l$F$$$l$P!"(B $_ $B$KJ8;zNs(B hogehoge $B$,4^$^$l$F$$$l$P!V??!W!"4^$^$l$F$$$J$1$l$P!V56!W$r0UL#$7$^$9!#(B

line 10:

9 $B9TL\$,??$G$"$l$Pif $B%V%m%C%/$G$9!#:#$^$G>JN,$5$l$F$$$?JQ?t$G$"$kI8=`JQ?t(B $_ $B$r%b%K%?$KI=<($7$^$9!#FC$_ $B$r>JN,$7$J$$$G5-=R$7$F$_$^$7$g$&!((B

while($_ = <IN>){
  if ($_ =~ /$pattern/) {
    print "line $.> $_";
  }
}

$BFC$. $B$O9THV9f$rJ]B8$7$F$$$^$9!#(B

$BJ8;zNs(B string $B$K%Q%?!<%s(B pattern $B$,4^$^$l$F$$$k$+$I$&$+$rH=Dj$9$k$?$a$N4X781i;;;R$O(B =~ $B$G$9!#0lHL$K$Ostring =~ /pattern/

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