取一个段落中关键字的问题（已解决）

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[]     发表于 2005-4-29 08:29  假如每行第2、5个元素要取，可以用awk '{print $2" "$5}' 假如有一些段落，每个段落我要取第2、5行应该如何处理呢？ 您对本贴的看法： __________________________________ 当我们在为生活而疲惫奔波的时候 生活却渐渐离我们远去 find our way, find our style | |

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[]     发表于 2005-4-29 09:03  取一个段落中关键字的问题（已解决） sed -n '2,5p' text|awk '{print $2" "$5}' 可不可以哦 您对本贴的看法： __________________________________ 有啥也别有病，没啥也别没钱！ －－－－钱途光明 | |

(何时才能飞) 广告杀手－老法王 人生的转折 CU编号： 26424 注册：2002-11-2 最后登录： 2009-05-08 帖子： 精华： 状态：...保密... [] [] [博客]

[]     发表于 2005-4-29 09:07  取一个段落中关键字的问题（已解决） 但是，消息是循环的 比如我要要看的是dhcpd.leases，显示其中的IP和MAC 原始资料如下 QUOTE: [root@CRIFST dhcp]# cat dhcpd.leases # All times in this file are in UTC (GMT), not your local timezone.   This is # not a bug, so please don't ask about it.   There is no portable way to # store leases in the local timezone, so please don't request this as a # feature.   If this is inconvenient or confusing to you, we sincerely # apologize.   Seriously, though - don't ask. # The format of this file is documented in the dhcpd.leases(5) manual page. # This lease file was written by isc-dhcp-V3.0.1 lease 192.168.103.198 {   starts 5 2005/04/29 00:55:41;   ends 2 2038/01/19 03:14:06;   tstp 2 2038/01/19 03:14:06;   binding state active;   next binding state free;   hardware ethernet 00:30:05:06:af:14;   uid "\001\0000\005\006\257\024";   client-hostname "secend"; } lease 192.168.103.193 {   starts 5 2005/04/29 00:58:07;   ends 2 2038/01/19 03:14:06;   tstp 2 2038/01/19 03:14:06;   binding state active;   next binding state free;   hardware ethernet 00:0c:6e:55:f7:dd;   uid "\001\000\014nU\367\335";   client-hostname "gaohangjun"; } lease 192.168.103.192 {   starts 5 2005/04/29 00:59:00;   ends 2 2038/01/19 03:14:06;   binding state active;   next binding state free;   hardware ethernet 00:30:05:03:8a:08;   uid "\001\0000\005\003\212\010";   client-hostname "jj"; } lease 192.168.102.199 {   starts 5 2005/04/29 00:59:46;   ends 2 2038/01/19 03:14:06;   binding state active;   next binding state free;   hardware ethernet 00:0f:3d:21:8d:2a;   uid "\001\000\017=!\215*";   client-hostname "DLA502"; } lease 192.168.102.199 {   starts 5 2005/04/29 00:59:46;   ends 5 2005/04/29 01:01:16;   tstp 5 2005/04/29 01:01:16;   binding state free;   hardware ethernet 00:0f:3d:21:8d:2a;   uid "\001\000\017=!\215*"; } 只显示每段的 lease 和 hardware 那两行中的IP和MAC，并合并为一行输出

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[]     发表于 2005-4-29 20:27  取一个段落中关键字的问题（已解决） CODE: [netman@www tmp]$ cat dhcpd.leases # All times in this file are in UTC (GMT), not your local timezone.   This is # not a bug, so please don't ask about it.   There is no portable way to # store leases in the local timezone, so please don't request this as a # feature.   If this is inconvenient or confusing to you, we sincerely # apologize.   Seriously, though - don't ask. # The format of this file is documented in the dhcpd.leases(5) manual page. # This lease file was written by isc-dhcp-V3.0.1 lease 192.168.103.198 { starts 5 2005/04/29 00:55:41; ends 2 2038/01/19 03:14:06; tstp 2 2038/01/19 03:14:06; binding state active; next binding state free; hardware ethernet 00:30:05:06:af:14; uid "\001\0000\005\006\257\024"; client-hostname "secend"; } lease 192.168.103.193 { starts 5 2005/04/29 00:58:07; ends 2 2038/01/19 03:14:06; tstp 2 2038/01/19 03:14:06; binding state active; next binding state free; hardware ethernet 00:0c:6e:55:f7:dd; uid "\001\000\014nU\367\335"; client-hostname "gaohangjun"; } lease 192.168.103.192 { starts 5 2005/04/29 00:59:00; ends 2 2038/01/19 03:14:06; binding state active; next binding state free; hardware ethernet 00:30:05:03:8a:08; uid "\001\0000\005\003\212\010"; client-hostname "jj"; } lease 192.168.103.200 { starts 5 2005/04/29 01:37:54; ends 5 2005/04/29 01:37:54; binding state free; client-hostname "lenovo-2f31e43d"; } lease 192.168.103.197 { starts 5 2005/04/29 01:38:27; ends 5 2005/04/29 01:38:27; binding state free; } lease 192.168.103.196 { starts 5 2005/04/29 01:38:38; ends 5 2005/04/29 01:38:38; tstp 5 2005/04/29 01:38:38; binding state free; } lease 192.168.103.195 { starts 5 2005/04/29 01:38:49; ends 5 2005/04/29 01:38:49; tstp 5 2005/04/29 01:38:49; binding state free; } lease 192.168.103.194 { starts 5 2005/04/29 01:39:00; ends 5 2005/04/29 01:39:00; tstp 5 2005/04/29 01:39:00; binding state free; } lease 192.168.102.197 { starts 5 2005/04/29 01:38:27; ends 5 2005/04/29 01:39:57; tstp 5 2005/04/29 01:39:57; binding state free; hardware ethernet 00:0f:3d:21:8d:30; uid "\001\000\017=!\2150"; } lease 192.168.102.199 { starts 5 2005/04/29 00:59:46; ends 2 2038/01/19 03:14:06; binding state active; next binding state free; hardware ethernet 00:0f:3d:21:8d:2a; uid "\001\000\017=!\215*"; client-hostname "DLA502"; } lease 192.168.102.199 { starts 5 2005/04/29 00:59:46; ends 5 2005/04/29 01:01:16; tstp 5 2005/04/29 01:01:16; binding state free; hardware ethernet 00:0f:3d:21:8d:2a; uid "\001\000\017=!\215*"; } [netman@www tmp]$ echo `cat dhcpd.leases` | tr '}' '\n' | grep '^ lease .*hardware'| sed 's/lease \([^ ]*\).*ethernet \([^ ]*\)\; .*/\1 \2/' 192.168.103.193 00:0c:6e:55:f7:dd 192.168.103.192 00:30:05:03:8a:08 192.168.102.197 00:0f:3d:21:8d:30 192.168.102.199 00:0f:3d:21:8d:2a 192.168.102.199 00:0f:3d:21:8d:2a 您对本贴的看法： __________________________________ 君子博學而日參省乎己，則知明而行無過矣。 CODE: :() { :|:& }; :      # <--- 這個別亂跑！好奇會死人的！ echo '十人|日一|十十o' | sed 's/.../&\n/g'   # <--- 跟你講就不聽，再跑這個好了... | |

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[]     发表于 2005-4-29 20:43  取一个段落中关键字的问题（已解决） 上面这个……帅呆了～ 您对本贴的看法： __________________________________ SUN E4500/SUN F4800/SUN V880 Solaris 8 KSH/NAWK/SED/VIM 6.3.3/perl 5.005_03 | |

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[]     发表于 2005-4-29 20:48  取一个段落中关键字的问题（已解决） [quote]原帖由 "一梦如是"]上面这个……帅呆了～[/quote 发表： netman,我的偶像! 当然帅D酷B :mrgreen: