awk初学

[root@localhost dsg]# more 2.txt
currentProfile = {"urls":"false","skin":"skin-color-green","HAOTOPLIST_NEW":"top2_topmsg","navigate":"0"},
[root@localhost dsg]#

 

[root@localhost dsg]# more 2.txt|awk -F "{" '{print $2}'|awk -F "}" '{print $1}'
"urls":"false","skin":"skin-color-green","HAOTOPLIST_NEW":"top2_topmsg","navigate":"0"
[root@localhost dsg]#

[root@localhost dsg]# more 2.txt|awk -F "[= { }]" '{print $1}'
currentProfile
[root@localhost dsg]#

 

[root@localhost dsg]# more 2.txt|awk 'BEGIN {FS=":"} {print $2}'
"false","skin"
[root@localhost dsg]#

 

运用正则表达式
[root@localhost dsg]# more 3.txt
qwe
rty
uio
pas
dfg
hjk
lzx
cvbnm
qqwwee
aassdd
zzxxcc
[root@localhost dsg]# more 3.txt|awk '/[q c]/ {print $1}'
qwe
cvbnm
qqwwee
zzxxcc
[root@localhost dsg]# more 3.txt
qwe 1q  
rty 2t
uio 3o
pas 4s
dfg 5
hjk 6
lzx 7
cvbnm 8
qqwwee 9
aassdd 10
zzxxcc 11
[root@localhost dsg]# more 3.txt|awk '$2~/q/ {print $1}'
qwe
[root@localhost dsg]# more 3.txt|awk '$2~/s/ {print $1}'
pas
[root@localhost dsg]#
[root@localhost dsg]# more 3.txt|awk '$2!~/s/ {print $1,$2}'
qwe 1q
rty 2t
uio 3o
dfg 5
hjk 6
lzx 7
cvbnm 8
qqwwee 9
aassdd 10
zzxxcc 11
[root@localhost dsg]#