Petits bouts de code à usage divers.
#!/usr/bin/perl unless( $ARGV[1] ) { print "Usage : $O <fichier> <pattern> [intervalle]\nIntervalle par défaut = 1s.\n"; exit; } my $interval = $ARGV[2]?$ARGV[2]:1; my $l = ""; while(1) { open my $fd, "< $ARGV[0]"; while(<$fd>) { last if /$ARGV[1]/; } chomp; if( $_ ne $l ) { my $t = `date +[%H:%M:%S]`; chomp $t; print "$t ", $l = $_, "\n"; } close $fd; sleep $interval; }
#!/bin/sh if [ $# -ne 1 ]; then echo "Usage : mks <nom du script>" && exit 1 fi if [ -e "$1" ]; then echo "$1 existe déjà." && exit 1 fi > "$1" chmod +x "$1" if [ "${1: -3}" == ".pl" ]; then echo -e "#!/usr/bin/perl\n\n" > "$1" fi if [ "${1: -3}" == ".sh" ]; then echo -e "#!/bin/sh\n\n" > "$1" fi $EDITOR "$1"
#!/usr/bin/perl $s = ""; $p = "man"; #print $ENV{QUERY_STRING}; ($p) = $ENV{QUERY_STRING} =~ m!p=([a-z._]+)!; ($s) = $ENV{QUERY_STRING} =~ m!s=(.)!; open $fd, "man $s $p 2>&1 |"; @l = <$fd>; $l = join "", @l; $l =~ s!(.)\010\1!<b>\1</b>!sg; $l =~ s!_\010(.)!<u>\1</u>!sg; $l =~ s!</(.+)><\1>!!sg; $l =~ s!(</.>)?([a-z._]+)(</.>)?\((.)\)!< a href=man?p=\2&s=\4>\1\2\3\(\4\)</a>!sg; print <<END; Content-type: text/html\n <html> <head><title>$p($s)</title></head> <body><form><input type=text name=p><input type=submit value=man></form> <pre>$l</pre></body></html> END
Network
-----------+-----------
|
+-------+------+
| mangle |
| PREROUTING | <- MARK REWRITE
+-------+------+
|
+-------+------+ Policy rule database
| PRDB | <- controlled by ip rule
+-------+------+
|
+-------+------+
| nat |
| PREROUTING | <- DEST REWRITE
+-------+------+
|
packet is for +-------+------+ packet is for
this address | INPUT | another address
+--------------+ ROUTING +---------------+
| +--------------+ |
+-------+------+ |
| filter | |
| INPUT | |
+-------+------+ |
| |
+-------+------+ |
| Local | |
| Process | |
+-------+------+ |
| |
+-------+------+ |
| OUTPUT | +-------+-------+
| ROUTING | | filter |
+-------+------+ | FORWARD |
| +-------+-------+
+-------+------+ |
| mangle | |
| OUTPUT | MARK REWRITE |
+-------+------+ |
| |
+-------+------+ |
| nat | |
| OUTPUT | DEST REWRITE |
+-------+------+ |
| |
+-------+------+ |
| filter | |
| OUTPUT | |
+-------+------+ |
| |
| |
+----------------+ +--------------------+
| |
| |
+--+-------+---+ selection of the output
| | interface,
| FORWARDING | selection of the next hop,
+-------+------+ encapsulation, etc.
|
|
+-------+------+
| nat |
| POSTROUTING | SOURCE REWRITE
+-------+------+
|
|
+-------+------+
| TRAFFIC |
| QUEUE | <- controlled by tc
+-------+------+
|
|
-----------+-----------
Network
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