last-modified: 12th/August/'01;
since: 1st/June/2001;
$B!V%U%!%$%k!&%O%s%I%k!W$H$O!"!V%U%!%$%k$rE&$_>e$2$k$?$a$N%O%s%I%k!W$G$9!#$3$N%O%s%I%k$G%U%!%$%k$rE&$_>e$2!"(B Perl $B$N $BK\@a$^$G$G!"F~NOMQ%U%!%$%k!&%O%s%I%k!"=PNOMQ%U%!%$%k!&%O%s%I%k!"I8=`F~=PNO%U%!%$%k!&%O%s%I%k(B $B%U%!%$%k%O%s%I%k$O!"%U%!%$%k$N%O%s%I%k$@$H@bL@$7$^$7$?$,!" $B$3$3$G$O$=$N4pK\E*$JMxMQK!$K$D$$$F$^$H$a$F$*$-$^$9!#(B $B0x$_$K!"%U%!%$%k%O%s%I%k$NL?L>K!$O!"4v$D$+$NM=Ls8l$r=|$$$FKX$I@)8B$,$J$/!"<+J,$G$D$1$i$l$^$9!#$7$+$7!"(B Perl $B$NM=Ls8l$H=EJ#$7$J$$$h$&$K!"%9%/%j%W%HCf$G$OBgJ8;z$rMQ$$$k$h$&$K?d>)$5$l$F$$$^$9!#0J2<$G$O!"%U%!%$%k%O%s%I%k$O(B $B%U%!%$%k%O%s%I%k$H7k$S$D$1$k%U%!%$%k$O2?$G$b9=$$$^$;$s!#0J2<$G$O!"(B $B0J>e$N$h$&$J%U%!%$%k(B-$B%U%!%$%k%O%s%I%k7k9g$r2r=|$9$k>l9g$O!"(B $B%U%!%$%k%O%s%I%k$H7k$S$D$$$?%U%!%$%k$X$N=PNOJ}K!$r>R2p$7$^$9!#(B $B>e$N%5%s%W%k$G$O!"(B $B%V%m%C%/Fb$N(B $B%U%!%$%k%O%s%I%k$rJQ?t$GM?$($k$3$H$b=PMh$^$9!#(B $B%U%!%$%k%O%s%I%k$H7k$S$D$$$?%U%!%$%k$+$i$NF~NOJ}K!$r>R2p$7$^$9!#(B $BN,5-K!MxMQ!'(B $B%U%!%$%k%O%s%I%k$+$i$NF~NO$O(B $B$^$?!"$3$3$G$OBeF~JQ?t$,>JN,$5$l$F$$$k$N$G!"I8=`JQ?t(B $B$3$N(B $B6u$N%O%s%I%k$KBP$9$kF~NO1i;;;R(B $B>e5-$N%9%/%j%W%H$,(B $B7k2L$O!"Ev3:%G%#%l%/%H%j>e$NA4$F$N(B HTML $B%U%!%$%k$NFbMF$r!"I8=`=PNOAuCV$K=PNO$7$^$9!#(B $B>e5-$N$h$&$K!"%3%^%s%I%i%$%s$G0z?t$rM?$($J$1$l$P!"I8=`F~NO$HEy2A$G$9!#(B $B%U%!%$%k$N%*!<%W%s$K<:GT$7$F$b!"(B perl $B$O0z$-B3$-%9%/%j%W%H$r STDIN, STDOUT $B$r>R2p$7$^$7$?!#$3$3$G$O!"0J>e$rF'$^$($F!"%U%!%$%k!&%O%s%I%k$K$D$$$F$^$H$a$F$*$-$^$9!#(B$B0lHLE*$J%U%!%$%k!&%O%s%I%k(B
FH $B$H$7$^$9$,!"(B HOGE $B$G$b(B PIYO $B$G$b(B IN $B$G$b(B OUT $B$G$b9=$$$^$;$s!#9%$-$J$h$&$KFI$_BX$($F$/$@$5$$!#(Bfile.dat $B$H$$$&%U%!%$%k$H!"%U%!%$%k%O%s%I%k(B FH $B$r7k$SIU$1$F$$$^$9!#(B
$BMQES(B $B%9%/%j%W%H(B $B@bL@(B $BF~NO@lMQ(B
opne(FH, "file.dat");
open(FH, "<file.dat");$BNI$/;H$&$N$G(B < $B$O>JN,2D!#(B$B=PNO@lMQ(B
open(FH, ">file.dat");$B%*!<%W%s;~$K%U%!%$%kFbMF$O:o=|$5$l$k!#(B $BF~=PNO6&MQ(B
open(FH, "+<file.dat");$B85$NFbMF$N8e$KDI2C!#(B $BDI2C=PNOMQ(B
open(FH, ">>file.dat");$B%*!<%W%s;~$K%U%!%$%kFbMF:o=|!#(B $BF~NODI2C=PNO6&MQ(B
open(FH, "+>file.dat");$B85$NFbMF$r;D$7$F%U%!%$%k$r%*!<%W%s!#(B open $B$O!"%9%+%i!<%3%s%F%-%9%H$G$O!"%*!<%W%s$K@.8y$9$l$P(B 0$B!"<:GT$9$l$P(B 0 $B0J30$rJV$7$^$9!#(Bclose $B$rMQ$$$^$9!#(Bclose(FH);
$BFC
STDINSTDOUTSTDERR$B%U%!%$%k%O%s%I%k$X$N=PNO(B
open(FH, ">file.dat");
while($line = <STDIN>){ #STDIN $B$OM=$aI8=`=PNOAuCV$H7k9g$7$F$$$k$N$G%*!<%W%s$NI,MW$J$7!#(B
print FH "$line","\n";
}
close(FH);
FH $B$K7k$SIU$1$F$$$^$9!#(Bwhile $B%k!<%W$G$O!"I8=`F~NO(B STDIN $B!J%-!<%\!<%IF~NO!K$r#19T$:$D(B $line $B$KBeF~$7!"%V%m%C%/Fb$r7+$jJV$7$^$9!#(Bprint $BH!?t$KJ#?t$N0z?t$,M?$($i$l$F$$$^$9!#Bh#00z?t$O=PNOMQ%U%!%$%k%O%s%I%k$r0UL#$7!"Bh#10z?t0J9_$,=PNOFbMF$rI=$7$^$9!#I8=`=PNO(B <STDOUT> $B$N>l9g$OBh#00z?t$N%U%!%$%k%O%s%I%k$r>JN,$G$-$^$9!#(B
print STDOUT "Hello, World!\n"; #STDOUT $B$O>JN,2DG=(B
print "Hello, World!\n"; #$B>e$N9T$HF1$8(B
$handle = FH;
print $handle "Hello, world!\n";
$B%U%!%$%k%O%s%I%k$+$i$NF~NO(B
open(FH, <file.dat);
while($line = <FH>){
print STDOUT "$line";
}
close(FH);
opne(FH, file.dat); #$BF~NO$N(B < $B$O>JN,2D(B
while(<FH>){ #$BJQ?t>JN,;~$K$O(B $_ $B$K<+F0E*$KBeF~$5$l$k(B
print; #STDOUT $B$H(B $_ $B$O>JN,2DG=(B
}
close(FH);
<FILEHANDLE> $B$rMxMQ$7$^$9!#%U%!%$%k$N=*N;(B (EOF; End of File) $B$KC#$9$k$H!"L$Dj5ACM$rJV$9$N$G!">r7o<0Cf$G$O%U%!%$%k=*N;$H6&$K!V56!W$rJV$9$3$H$K$J$j$^$9!#(B
$B>e$N%9%/%j%W%H$G$O!"Fs9TL\$N(B <FH> $B$O(B while $B%k!<%W$N7+$jJV$7>r7o$K;H$o$l$F$$$^$9$N$G!"%U%!%$%k=*N;$H6&$K7+$jJV$7$,=*N;$9$k$3$H$K$J$j$^$9!#(B$_ $B$KBeF~$5$l$^$9!#(Bwhile $B%k!<%W$O!"%U%!%$%k$+$i0l9TFI$_9~$s$G=PNO$7!"
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while(<>){
print "$.; $_"; #$. $B$O7+$jJV$72s?t!"(B $_ $B$OI8=`JQ?t(B
}
cat.pl $B$K5-=R$5$l$F$$$?$H$7$F!"l9g!"$I$N$h$&$JF0:n$r$9$k$G$7$g$&$+!)(B% perl cat.pl (.*)\.htm(.*)
% perl cat.pl
die $BH!?t(B
open (FH, "file.dat") || die "Can't open file: $file";
|| $B$O(B or $B$HF1$8$G!"A0H>It$,56$G$"$k>l9g$@$1!"8eH>It$ror $B$O(B || $B$KHf$Y$FM%@hEY$,Dc$/@_Dj$5$l$F$$$^$9$,!"$=$l0J30$OEy2A$G$9!#(B
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