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awk + how to capture the third field on both characters
Awk field separator bug?AWK : the ' ' as field separatorTwo files with a common field - is it possible to sort one based on the other?AWK Compare Column 1 from Two Files Print append column to third in outputawk + how to capture email address between characterscapture the second field and the last field from stringbash + how to capture the first/seconf/thired fieldHow to delete input field in AWK?how to print CSV from the third fieldUse awk on an Android command
from ps ax we get the following output
ps ax
PID TTY STAT TIME COMMAND
1 ? Rs 611:56 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
2 ? S 4:46 [kthreadd]
3 ? R 3499:33 [ksoftirqd/0]
5 ? S< 0:00 [kworker/0:0H]
7 ? S 16:24 [migration/0]
8 ? S 0:00 [rcu_bh]
9 ? S 0:00 [rcuob/0]
10 ? S 0:00 [rcuob/1]
11 ? S 0:00 [rcuob/2]
12 ? S 0:00 [rcuob/3]
13 ? S 0:00 [rcuob/4]
14 ? S 0:00 [rcuob/5]
15 ? S 0:00 [rcuob/6]
16 ? S 0:00 [rcuob/7]
17 ? S 0:00 [rcuob/8]
18 ? S 0:00 [rcuob/9]
19 ? S 0:00 [rcuob/10]
so we want to capture the R on the third field for example
ps ax | awk '$3 ~ /R/ print '
139 ? R 1935:31 [rcuos/1]
now we want both , to capture R and D on the third field
in this case what should be the syntax in order to capture ether R or D on the third field ?
awk process ps
edited yesterday
Jeff Schaller♦
43.9k1161141
asked yesterday
yaelyael
2,76432776
add a comment |
from ps ax we get the following output
ps ax
PID TTY STAT TIME COMMAND
1 ? Rs 611:56 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
2 ? S 4:46 [kthreadd]
3 ? R 3499:33 [ksoftirqd/0]
5 ? S< 0:00 [kworker/0:0H]
7 ? S 16:24 [migration/0]
8 ? S 0:00 [rcu_bh]
9 ? S 0:00 [rcuob/0]
10 ? S 0:00 [rcuob/1]
11 ? S 0:00 [rcuob/2]
12 ? S 0:00 [rcuob/3]
13 ? S 0:00 [rcuob/4]
14 ? S 0:00 [rcuob/5]
15 ? S 0:00 [rcuob/6]
16 ? S 0:00 [rcuob/7]
17 ? S 0:00 [rcuob/8]
18 ? S 0:00 [rcuob/9]
19 ? S 0:00 [rcuob/10]
so we want to capture the R on the third field for example
ps ax | awk '$3 ~ /R/ print '
139 ? R 1935:31 [rcuos/1]
now we want both , to capture R and D on the third field
in this case what should be the syntax in order to capture ether R or D on the third field ?
awk process ps
edited yesterday
Jeff Schaller♦
43.9k1161141
asked yesterday
yaelyael
2,76432776
2
The regex/R|D/.
– jordanm
yesterday
1
or/[RD]/as well.
– glenn jackman
yesterday
add a comment |
from ps ax we get the following output
ps ax
PID TTY STAT TIME COMMAND
1 ? Rs 611:56 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
2 ? S 4:46 [kthreadd]
3 ? R 3499:33 [ksoftirqd/0]
5 ? S< 0:00 [kworker/0:0H]
7 ? S 16:24 [migration/0]
8 ? S 0:00 [rcu_bh]
9 ? S 0:00 [rcuob/0]
10 ? S 0:00 [rcuob/1]
11 ? S 0:00 [rcuob/2]
12 ? S 0:00 [rcuob/3]
13 ? S 0:00 [rcuob/4]
14 ? S 0:00 [rcuob/5]
15 ? S 0:00 [rcuob/6]
16 ? S 0:00 [rcuob/7]
17 ? S 0:00 [rcuob/8]
18 ? S 0:00 [rcuob/9]
19 ? S 0:00 [rcuob/10]
so we want to capture the R on the third field for example
ps ax | awk '$3 ~ /R/ print '
139 ? R 1935:31 [rcuos/1]
now we want both , to capture R and D on the third field
in this case what should be the syntax in order to capture ether R or D on the third field ?
awk process ps
edited yesterday
Jeff Schaller♦
43.9k1161141
asked yesterday
yaelyael
2,76432776
from ps ax we get the following output
ps ax
PID TTY STAT TIME COMMAND
1 ? Rs 611:56 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
2 ? S 4:46 [kthreadd]
3 ? R 3499:33 [ksoftirqd/0]
5 ? S< 0:00 [kworker/0:0H]
7 ? S 16:24 [migration/0]
8 ? S 0:00 [rcu_bh]
9 ? S 0:00 [rcuob/0]
10 ? S 0:00 [rcuob/1]
11 ? S 0:00 [rcuob/2]
12 ? S 0:00 [rcuob/3]
13 ? S 0:00 [rcuob/4]
14 ? S 0:00 [rcuob/5]
15 ? S 0:00 [rcuob/6]
16 ? S 0:00 [rcuob/7]
17 ? S 0:00 [rcuob/8]
18 ? S 0:00 [rcuob/9]
19 ? S 0:00 [rcuob/10]
so we want to capture the R on the third field for example
ps ax | awk '$3 ~ /R/ print '
139 ? R 1935:31 [rcuos/1]
now we want both , to capture R and D on the third field
in this case what should be the syntax in order to capture ether R or D on the third field ?
awk process ps
awk process ps
edited yesterday
Jeff Schaller♦
43.9k1161141
asked yesterday
yaelyael
2,76432776
edited yesterday
Jeff Schaller♦
43.9k1161141
asked yesterday
yaelyael
2,76432776
edited yesterday
Jeff Schaller♦
43.9k1161141
edited yesterday
Jeff Schaller♦
43.9k1161141
edited yesterday
Jeff Schaller♦
43.9k1161141
43.9k1161141
asked yesterday
yaelyael
2,76432776
asked yesterday
yaelyael
2,76432776
asked yesterday
yaelyael
2,76432776
2,76432776
2
The regex/R|D/.
– jordanm
yesterday
1
or/[RD]/as well.
– glenn jackman
yesterday
add a comment |
2
The regex/R|D/.
– jordanm
yesterday
1
or/[RD]/as well.
– glenn jackman
yesterday
2
2
The regex
/R|D/.– jordanm
yesterday
The regex
/R|D/.– jordanm
yesterday
1
1
or
/[RD]/ as well.– glenn jackman
yesterday
or
/[RD]/ as well.– glenn jackman
yesterday
add a comment |
1 Answer
1
active
oldest
votes
either
ps -ax | awk '$3 ~ /R|D/ '
or
ps -ax | awk '$3 == "R" || $3 == "D" '
note that implicit action is print
you can use o option in ps to change or select field you need
ps -a -o stat,pid,args | awk '$1 ~ /[DR]/ $1="" ; print '
answered yesterday
ArchemarArchemar
20.4k93973
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
either
ps -ax | awk '$3 ~ /R|D/ '
or
ps -ax | awk '$3 == "R" || $3 == "D" '
note that implicit action is print
you can use o option in ps to change or select field you need
ps -a -o stat,pid,args | awk '$1 ~ /[DR]/ $1="" ; print '
answered yesterday
ArchemarArchemar
20.4k93973
add a comment |
either
ps -ax | awk '$3 ~ /R|D/ '
or
ps -ax | awk '$3 == "R" || $3 == "D" '
note that implicit action is print
you can use o option in ps to change or select field you need
ps -a -o stat,pid,args | awk '$1 ~ /[DR]/ $1="" ; print '
answered yesterday
ArchemarArchemar
20.4k93973
add a comment |
either
ps -ax | awk '$3 ~ /R|D/ '
or
ps -ax | awk '$3 == "R" || $3 == "D" '
note that implicit action is print
you can use o option in ps to change or select field you need
ps -a -o stat,pid,args | awk '$1 ~ /[DR]/ $1="" ; print '
answered yesterday
ArchemarArchemar
20.4k93973
either
ps -ax | awk '$3 ~ /R|D/ '
or
ps -ax | awk '$3 == "R" || $3 == "D" '
note that implicit action is print
you can use o option in ps to change or select field you need
ps -a -o stat,pid,args | awk '$1 ~ /[DR]/ $1="" ; print '
answered yesterday
ArchemarArchemar
20.4k93973
edited yesterday
answered yesterday
ArchemarArchemar
20.4k93973
answered yesterday
ArchemarArchemar
20.4k93973
answered yesterday
ArchemarArchemar
20.4k93973
20.4k93973
add a comment |
add a comment |
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-awk, process, ps
2
The regex
/R|D/.– jordanm
yesterday
1
or
/[RD]/as well.– glenn jackman
yesterday