awk还是用其他能解决我这问题，高手帮忙！
本帖最后由 barnin 于 2012-11-09 16:14:36 编辑 qjomp31 TICLI 24>
M 49 DUMP:CELL 1 PLM 10
CARRIER: 1 SECTOR: 1
75TH PERCENTILE REVERSE LINK NOISE POWER
-83.00dBm -83.00dBm -83.00dBm -83.00dBm -83.00dBm -82.00dBm
-82.50dBm -83.00dBm -83.00dBm -83.00dBm -82.75dBm -83.00dBm
-83.00dBm -82.25dBm -83.25dBm -83.25dBm -83.50dBm -83.25dBm
-83.25dBm -83.00dBm -83.25dBm -83.25dBm -83.25dBm -82.50dBm
-82.75dBm -83.00dBm -83.25dBm -83.25dBm -83.00dBm -83.25dBm
-83.50dBm -83.00dBm -82.75dBm -81.75dBm -83.25dBm -83.25dBm
-83.25dBm -83.25dBm -82.50dBm -83.00dBm -83.25dBm -83.00dBm
-83.25dBm -83.25dBm -83.50dBm -83.00dBm -83.25dBm -82.50dBm
-82.75dBm -83.00dBm -82.25dBm -82.75dBm -83.25dBm -82.25dBm
-83.00dBm -83.25dBm -83.25dBm -80.25dBm -82.25dBm -82.75dBm
-83.00dBm -83.00dBm -83.00dBm -82.75dBm -82.75dBm -82.50dBm
-82.75dBm -82.50dBm -82.75dBm -82.75dBm -83.00dBm -83.00dBm
-82.75dBm -83.00dBm -82.25dBm -83.00dBm -83.00dBm -82.50dBm
-82.75dBm -83.00dBm -83.00dBm -83.25dBm -83.50dBm -83.25dBm
-83.50dBm -83.00dBm -83.00dBm -81.00dBm -81.00dBm -80.75dBm
DEVICE - TICLI 24
11/06/12 15:49:54 #569865
qjomp31 TICLI 24>
...........（很多很多行，估计有10万行文件）
希望提取到CELL * sector * -80.75dBM 如图所示：
75TH是判断关键，看到有75TH的才提取NR-2行的CELL *和NR-1行的SECTOE * 和NR+15行的多少dBM，因为有些是没有75TH的。
[解决办法]
笨人笨方法
#!/bin/bash
num=0
flag=0
cat a.txt
[解决办法]
while read line
do
line2=`echo ${line}
[解决办法]
grep aaa`
if [ "${line2}" ]
then
flag=1
continue
fi
if [ ${flag} -eq 1 ]
then
num=$((num+1))
fi
if [ ${num} -eq 2 ]
then
echo ${line}
flag=0
num=0
fi
done
打印a.txt 中aaa后面的第二行
[解决办法]
因为你说有10多万行，所以为了提高效率，用了“qjomp31 TICLI 24>”这个分段的标志，如果你的文件这行内容不是固定的，那么就不能用这个过滤条件了。
[nicenight@CSDN ~]$ awk '/qjomp31 TICLI 24>/{getline; if(! match($0, /CELL [^ ]+/)) next; cell = substr($0, RSTART, RLENGTH); getline; if(! match($0, /SECTOR.+/)) next; sector = substr($0, RSTART, RLENGTH); getline; if(! match($0, /75TH/)) next; for(i=0; i < 15; ++i) getline; power=$6; print cell", "sector", "power}' file
CELL 1, SECTOR: 1, -80.75dBm
CELL 1, SECTOR: 1, -88.75dBm
[nicenight@CSDN ~]$ cat file
qjomp31 TICLI 24>
M 49 DUMP:CELL 1 PLM 10
CARRIER: 1 SECTOR: 1
75TH PERCENTILE REVERSE LINK NOISE POWER
-83.00dBm -83.00dBm -83.00dBm -83.00dBm -83.00dBm -82.00dBm
-82.50dBm -83.00dBm -83.00dBm -83.00dBm -82.75dBm -83.00dBm
-83.00dBm -82.25dBm -83.25dBm -83.25dBm -83.50dBm -83.25dBm
-83.25dBm -83.00dBm -83.25dBm -83.25dBm -83.25dBm -82.50dBm
-82.75dBm -83.00dBm -83.25dBm -83.25dBm -83.00dBm -83.25dBm
-83.50dBm -83.00dBm -82.75dBm -81.75dBm -83.25dBm -83.25dBm
-83.25dBm -83.25dBm -82.50dBm -83.00dBm -83.25dBm -83.00dBm
-83.25dBm -83.25dBm -83.50dBm -83.00dBm -83.25dBm -82.50dBm
-82.75dBm -83.00dBm -82.25dBm -82.75dBm -83.25dBm -82.25dBm
-83.00dBm -83.25dBm -83.25dBm -80.25dBm -82.25dBm -82.75dBm
-83.00dBm -83.00dBm -83.00dBm -82.75dBm -82.75dBm -82.50dBm
-82.75dBm -82.50dBm -82.75dBm -82.75dBm -83.00dBm -83.00dBm
-82.75dBm -83.00dBm -82.25dBm -83.00dBm -83.00dBm -82.50dBm
-82.75dBm -83.00dBm -83.00dBm -83.25dBm -83.50dBm -83.25dBm
-83.50dBm -83.00dBm -83.00dBm -81.00dBm -81.00dBm -80.75dBm
DEVICE - TICLI 24
11/06/12 15:49:54 #569865
qjomp31 TICLI 24>
M 49 DUMP:CELL 1 PLM 10
CARRIER: 1 SECTOR: 1
75TH PERCENTILE REVERSE LINK NOISE POWER
-83.00dBm -83.00dBm -83.00dBm -83.00dBm -83.00dBm -82.00dBm
-82.50dBm -83.00dBm -83.00dBm -83.00dBm -82.75dBm -83.00dBm
-83.00dBm -82.25dBm -83.25dBm -83.25dBm -83.50dBm -83.25dBm
-83.25dBm -83.00dBm -83.25dBm -83.25dBm -83.25dBm -82.50dBm
-82.75dBm -83.00dBm -83.25dBm -83.25dBm -83.00dBm -83.25dBm
-83.50dBm -83.00dBm -82.75dBm -81.75dBm -83.25dBm -83.25dBm
-83.25dBm -83.25dBm -82.50dBm -83.00dBm -83.25dBm -83.00dBm
-83.25dBm -83.25dBm -83.50dBm -83.00dBm -83.25dBm -82.50dBm
-82.75dBm -83.00dBm -82.25dBm -82.75dBm -83.25dBm -82.25dBm
-83.00dBm -83.25dBm -83.25dBm -80.25dBm -82.25dBm -82.75dBm
-83.00dBm -83.00dBm -83.00dBm -82.75dBm -82.75dBm -82.50dBm
-82.75dBm -82.50dBm -82.75dBm -82.75dBm -83.00dBm -83.00dBm
-82.75dBm -83.00dBm -82.25dBm -83.00dBm -83.00dBm -82.50dBm
-82.75dBm -83.00dBm -83.00dBm -83.25dBm -83.50dBm -83.25dBm
-83.50dBm -83.00dBm -83.00dBm -81.00dBm -81.00dBm -88.75dBm
DEVICE - TICLI 24
11/06/12 15:49:54 #569865