grep.pl

line 1-2:

$B%3%a%s%H9T$G!"(B perl $B$N=j:_CO$G$9!#(B

line 3-6:

if $B@a(B$B$G!"%3%^%s%I%i%$%s0z?t$N8D?t$,:GDc(B 2 $B8DL$K~$N>l9g!"=*N;$9$k!#(B2 $B8D0J>e$"$l$P!"(B 6-24 $B9TL\$N(B else $B@a(B$B$r

$BG[Ns$O!"%9%+%i!l9g$O!"MWAG$N8D?t$rJV$9$3$H$r3NG'$7$F$/$@$5$$!#$3$l$r(B$B%9%+%i!$B$H8F$S$^$9!#(B

@ARGV $B$O!"%3%^%s%I%i%$%s0z?t$rMWAG$H$9$k(B Perl $B$NFbIt$GDj5A:Q$_$NFC

exit $B$O%9%/%j%W%H$r=*N;$5$;$kAH9~$_4X?t$G$9!#7+$jJV$7%V%m%C%/$+$iC&=P$9$k(B last, next $B$H6hJL$7$F$/$@$5$$!#(B

line 6-24:

3 $B9TL\$N(B if $B>r7oJ8$,56$G$"$l$Pelse $B@a$G$9!#%3%^%s%I%i%$%s0z?t$,Fs$D0J>e$"$l$P

line 7: $BG[NsA`:n(B shift

shift $BH!?t$O!"G[Ns$+$iBh0lMWAG$rH4$-=P$7$F!";D$j$NMWAG$rG[Ns$NCf$GA0$K5M$a$^$9!#$D$^$j!";M$D$NMWAG$r;}$DG[Ns$K(B shift $B$r:nMQ$5$;$k$H!"MWAG$O;0$D$K$J$j$^$9!#(B

    @array        $val=shift(@array);      $val     @array
a, b, c, d, e           ->                   a    b, c, d, e

$B:#$N>l9g$O!"%3%^%s%I%i%$%s$NBh0l0z?t$rJQ?t(B $pattern $B$KBeF~$7$F!";D$j$N0z?t$r$R$H$DA0$K5M$a$^$9!#$3$l0J9_!"G[Ns(B @ARGV $B$K$O%3%^%s%I%i%$%s$NBhFs0z?t0J9_!J(BFILENAME$B!K$7$+BeF~$5$l$F$$$^$;$s!#(B

8 $B9TL\$GG[Ns(B @ARGV $B$r=PNO$7$F$$$^$9$N$G!"3NG'$7$F$/$@$5$$!#(B

line 9-20: foreach $B%k!<%W(B

foreach $B@a$O7+$jJV$7$rI=$9(B for $B@a$K;w$F$$$^$9!#(B

foreach $B@a$O

foreach $val (@array) {
  $B7+$jJV$7%V%m%C%/(B
}

$BG[Ns(B @array $B$+$iBh0lMWAG$rH4$-=P$7$FJQ?t(B $val $B$KBeF~$7!"%V%m%C%/Fb$r

$B$3$N%9%/%j%W%H$G$O!"(B @ARGV $B$N3FMWAG$rJQ?t(B $filename $B$KBeF~$7$F(B 10-19 $B9TL\$r7+$jJV$7$^$9!#(B

foreach $B@a$O!"G[Ns$N3FMWAG$KBP$7$FF1$8A`:n$r7+$jJV$9$H$-$KJXMx$G$9!#(B

line 10:

10 $B9TL\0J9_$G$O!"G[Ns(B @ARGV $B$NMWAG$rJQ?t(B $filename $B$KBeF~$5$l$F$$$^$9!#(B

$filename $B$KBeF~$5$l$F$$$k%U%!%$%kL>$N%U%!%$%k$r3+$-!"(B SEARCH $B$HL>IU$1$?%O%s%I%k$K7k$SIU$1$F$$$^$9!#%O%s%I%kL>$O2?$G$b9=$$$^$;$s!#(B

line 12-17:

$B$*Fk@w$_$K$J$C$F$-$^$7$?!"(B while $B%k!<%W$G$9!#(B

$B7+$jJV$7$N>r7oJ8$O(B $line = <SEARCH> $B$G!"%U%!%$%k%O%s%I%k(B <SEARCH> $B$,07$&!"(B $filename $B$KBeF~$5$l$F$$$k%U%!%$%kL>$,I=$9%U%!%$%k$+$i$N0l9TF~NO$rJQ?t(B $line $B$KBeF~$7$F%V%m%C%/Fb$r

$B%U%!%$%k%O%s%I%k$,7+$jJV$7>r7o<0$K8=$l$k$H!"%U%!%$%k$+$i0l9T$E$D

line 13-16:

$B$3$l$b$*Fk@w$_(B if $B@a$G$9!#(B

7 $B9TL\$G%3%^%s%I%i%$%s(B @ARGV $B$+$iH4$-=P$7$?(B $pattern $B$r@55,I=8=$H$7$F!"(B $line $B$K%^%C%A$9$kItJ,$,$"$k$+$I$&$+$rH=Dj$7$^$9!#(B

$B%^%C%A$9$kItJ,$,$"$l$P!"%+%&%s%H?t$r$R$H$DA}$d$7$F!J(B$counts++ $B$O(B $counts = $counts + 1 $B$N>JN,7A!K!"(B 15 $B9TL\$N=PNO$r$7$^$9!#(B

$B$3$N7+$jJV$7$,=*N;$9$k$H!"(B $counts $B$K$OEv3:%U%!%$%k$G%^%C%A$7$?2s?t$,BeF~$5$l$^$9!#(B

line 18: $BG[NsA`:n(B push

7 $B9TL\$N(B shift $B$K;w$F$$$^$9!#(B

push $B$OG[Ns$N:G8e$KMWAG$rIU$12C$($^$9!#(B

$B$3$N%9%/%j%W%H$G$OG[Ns(B @score $B$r?7$?$KDj5A$7!"(B$counts $B$r:G8e$NMWAG$KIU$12C$($^$9!#(B

@score $B$K$O:G=*E*$K!"%5!<%A$7$?%U%!%$%k$N8D?tJ,!J(Bforeach $B%k!<%W$G7+$jJV$7$?2s?tJ,!K$@$1$NMWAG$,@8@.$5$l$F$$$^$9!#(B

line 21-23:

$B%9%/%j%W%H=*N;;~$KI=<($9$k%a%C%;!<%8$G$9!#(B print $BH!?t$N0z?t$N$H$jJ}$rJ#?t=q$-$^$7$?$N$G!"0zMQId!J(B " $B!K$H%3%s%^!J(B , $B!K$N0LCV$r?'!9;n$7$F$/$@$5$$!#(B

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