问题描述
如何解决这个问题,其中强制模式是“nick”,基于它转置到列和 模式“MY_”或“MN_”,旁边有“MX_”(MX_ 模式应位于输入文件中每个“NICK”部分下的任何位置)
尝试了这个 awk transpose lines based on pattern and move (copy) before current columns with filling empty fields 但它限制了我想要实现的目标
输入文件:
NICK: MY_JEFF
MX_NOAA; NOBASE-INDEX_OUT_FIF;
SYS-BRAVO_X3; BASE-TREE_OUT_OUT;
A4:82:8; SEAT_25;
SYS-BRAVO_X2
NICK: MN_CAPTAIN
A4:82:8; NOBASE-INDEX_OUT_FIF;
SYS-BRAVO_X1; BASE-TREE_OUT_OUT;
MX_NOOI
期望输出:
NICK MY_JEFF MX_NOAA NOBASE-INDEX_OUT_FIF
NICK MY_JEFF MX_NOAA SYS-BRAVO_X3
NICK MY_JEFF MX_NOAA BASE-TREE_OUT_OUT
NICK MY_JEFF MX_NOAA A4:82:8
NICK MY_JEFF MX_NOAA SEAT_25
NICK MY_JEFF MX_NOAA SYS-BRAVO_X2
NICK MN_CAPTAIN MX_NOOI A4:82:8
NICK MN_CAPTAIN MX_NOOI NOBASE-INDEX_OUT_FIF
NICK MN_CAPTAIN MX_NOOI SYS-BRAVO_X1
NICK MN_CAPTAIN MX_NOOI BASE-TREE_OUT_OUT
解决方法
$ cat tst.awk
BEGIN { FS=": |([; ]+)" }
$1 == "NICK" { prt() }
{
for (i=1; i<=NF; i++) {
rec[++nf] = $i
}
}
END { prt() }
function prt( i,hdr) {
for (i=3; i<=nf; i++) {
if ( rec[i] ~ /^MX/ ) {
break
}
}
hdr = rec[1] OFS rec[2] OFS rec[i]
delete rec[i]
for (i=3; i<=nf; i++) {
if ( rec[i] ~ /[^[:space:]]/ ) {
print hdr,rec[i]
}
}
delete rec
nf = 0
}
$ awk -f tst.awk file
NICK MY_JEFF MX_NOAA NOBASE-INDEX_OUT_FIF
NICK MY_JEFF MX_NOAA SYS-BRAVO_X3
NICK MY_JEFF MX_NOAA BASE-TREE_OUT_OUT
NICK MY_JEFF MX_NOAA A4:82:8
NICK MY_JEFF MX_NOAA SEAT_25
NICK MY_JEFF MX_NOAA SYS-BRAVO_X2
NICK MN_CAPTAIN MX_NOOI A4:82:8
NICK MN_CAPTAIN MX_NOOI NOBASE-INDEX_OUT_FIF
NICK MN_CAPTAIN MX_NOOI SYS-BRAVO_X1
NICK MN_CAPTAIN MX_NOOI BASE-TREE_OUT_OUT