Format 'ps' command output without whitespace
Clash Royale CLAN TAG#URR8PPP
I have the following ps
command to get particular properties of all the running processes along with some properties:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args"
I wish to have it formatted in CSV so I can parse it. Note I have put the args at the end to make parsing easy; I don't think a ,
will exist in any of the other columns - please correct me if I am wrong.
How do I remove the whitespace?
csv ps
add a comment |
I have the following ps
command to get particular properties of all the running processes along with some properties:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args"
I wish to have it formatted in CSV so I can parse it. Note I have put the args at the end to make parsing easy; I don't think a ,
will exist in any of the other columns - please correct me if I am wrong.
How do I remove the whitespace?
csv ps
add a comment |
I have the following ps
command to get particular properties of all the running processes along with some properties:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args"
I wish to have it formatted in CSV so I can parse it. Note I have put the args at the end to make parsing easy; I don't think a ,
will exist in any of the other columns - please correct me if I am wrong.
How do I remove the whitespace?
csv ps
I have the following ps
command to get particular properties of all the running processes along with some properties:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args"
I wish to have it formatted in CSV so I can parse it. Note I have put the args at the end to make parsing easy; I don't think a ,
will exist in any of the other columns - please correct me if I am wrong.
How do I remove the whitespace?
csv ps
csv ps
edited Feb 24 at 14:55
Jeff Schaller
43.8k1161141
43.8k1161141
asked Sep 1 '14 at 13:09
CheetahCheetah
173127
173127
add a comment |
add a comment |
3 Answers
3
active
oldest
votes
From the man page:
-o format user-defined format.
format is a single argument in the form of a blank-separated or comma-separated list, which offers a
way to specify individual output columns. The recognized keywords are described in the STANDARD FORMAT
SPECIFIERS section below. Headers may be renamed (ps -o pid,ruser=RealUser -o comm=Command) as
desired. If all column headers are empty (ps -o pid= -o comm=) then the header line will not be
output. Column width will increase as needed for wide headers; this may be used to widen up columns
such as WCHAN (ps -o pid,wchan=WIDE-WCHAN-COLUMN -o comm). Explicit width control
(ps opid,wchan:42,cmd) is offered too. The behavior of ps -o pid=X,comm=Y varies with personality;
output may be one column named "X,comm=Y" or two columns named "X" and "Y". Use multiple -o options
when in doubt. Use the PS_FORMAT environment variable to specify a default as desired; DefSysV and
DefBSD are macros that may be used to choose the default UNIX or BSD columns.
So try:
/bin/ps -o uname:1,ppid:1,pid:1
add a comment |
Since the first 6 fields should not contain blank characters (unless you allow them in user names), you can post-process the output:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed '
s/["]/\&/g
s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,"/
s/$/"/'
Here quoting the last field (args) after having escaped the "
s and s with
.
Produces an output like:
stephane,3641,3702,10-00:20:24,0.1,0.3,"some cmd,and,args... VAR=foo"bar"
add a comment |
You can use sed
with ps
. So what you want is here:-
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed 's/ /,/g'
But I wonder if it would be useful, as output of ps
itself has got lots of ,
.
As I mentioned, I believe I have only chosen one column that could have a,
which I have put at the end, however, this solution would remove the,
from that column which I do not want.
– Cheetah
Sep 1 '14 at 13:19
Look at the output that generates and tell me if you think that's desirable :) Especially take notice of the command column.
– Oli
Sep 1 '14 at 13:19
That would be the same astr ' ' ,
. You probably wanttr -s ' ' ,
here.
– Stéphane Chazelas
Sep 1 '14 at 13:30
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
From the man page:
-o format user-defined format.
format is a single argument in the form of a blank-separated or comma-separated list, which offers a
way to specify individual output columns. The recognized keywords are described in the STANDARD FORMAT
SPECIFIERS section below. Headers may be renamed (ps -o pid,ruser=RealUser -o comm=Command) as
desired. If all column headers are empty (ps -o pid= -o comm=) then the header line will not be
output. Column width will increase as needed for wide headers; this may be used to widen up columns
such as WCHAN (ps -o pid,wchan=WIDE-WCHAN-COLUMN -o comm). Explicit width control
(ps opid,wchan:42,cmd) is offered too. The behavior of ps -o pid=X,comm=Y varies with personality;
output may be one column named "X,comm=Y" or two columns named "X" and "Y". Use multiple -o options
when in doubt. Use the PS_FORMAT environment variable to specify a default as desired; DefSysV and
DefBSD are macros that may be used to choose the default UNIX or BSD columns.
So try:
/bin/ps -o uname:1,ppid:1,pid:1
add a comment |
From the man page:
-o format user-defined format.
format is a single argument in the form of a blank-separated or comma-separated list, which offers a
way to specify individual output columns. The recognized keywords are described in the STANDARD FORMAT
SPECIFIERS section below. Headers may be renamed (ps -o pid,ruser=RealUser -o comm=Command) as
desired. If all column headers are empty (ps -o pid= -o comm=) then the header line will not be
output. Column width will increase as needed for wide headers; this may be used to widen up columns
such as WCHAN (ps -o pid,wchan=WIDE-WCHAN-COLUMN -o comm). Explicit width control
(ps opid,wchan:42,cmd) is offered too. The behavior of ps -o pid=X,comm=Y varies with personality;
output may be one column named "X,comm=Y" or two columns named "X" and "Y". Use multiple -o options
when in doubt. Use the PS_FORMAT environment variable to specify a default as desired; DefSysV and
DefBSD are macros that may be used to choose the default UNIX or BSD columns.
So try:
/bin/ps -o uname:1,ppid:1,pid:1
add a comment |
From the man page:
-o format user-defined format.
format is a single argument in the form of a blank-separated or comma-separated list, which offers a
way to specify individual output columns. The recognized keywords are described in the STANDARD FORMAT
SPECIFIERS section below. Headers may be renamed (ps -o pid,ruser=RealUser -o comm=Command) as
desired. If all column headers are empty (ps -o pid= -o comm=) then the header line will not be
output. Column width will increase as needed for wide headers; this may be used to widen up columns
such as WCHAN (ps -o pid,wchan=WIDE-WCHAN-COLUMN -o comm). Explicit width control
(ps opid,wchan:42,cmd) is offered too. The behavior of ps -o pid=X,comm=Y varies with personality;
output may be one column named "X,comm=Y" or two columns named "X" and "Y". Use multiple -o options
when in doubt. Use the PS_FORMAT environment variable to specify a default as desired; DefSysV and
DefBSD are macros that may be used to choose the default UNIX or BSD columns.
So try:
/bin/ps -o uname:1,ppid:1,pid:1
From the man page:
-o format user-defined format.
format is a single argument in the form of a blank-separated or comma-separated list, which offers a
way to specify individual output columns. The recognized keywords are described in the STANDARD FORMAT
SPECIFIERS section below. Headers may be renamed (ps -o pid,ruser=RealUser -o comm=Command) as
desired. If all column headers are empty (ps -o pid= -o comm=) then the header line will not be
output. Column width will increase as needed for wide headers; this may be used to widen up columns
such as WCHAN (ps -o pid,wchan=WIDE-WCHAN-COLUMN -o comm). Explicit width control
(ps opid,wchan:42,cmd) is offered too. The behavior of ps -o pid=X,comm=Y varies with personality;
output may be one column named "X,comm=Y" or two columns named "X" and "Y". Use multiple -o options
when in doubt. Use the PS_FORMAT environment variable to specify a default as desired; DefSysV and
DefBSD are macros that may be used to choose the default UNIX or BSD columns.
So try:
/bin/ps -o uname:1,ppid:1,pid:1
answered May 6 '15 at 1:26
Felipe AlvarezFelipe Alvarez
4341518
4341518
add a comment |
add a comment |
Since the first 6 fields should not contain blank characters (unless you allow them in user names), you can post-process the output:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed '
s/["]/\&/g
s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,"/
s/$/"/'
Here quoting the last field (args) after having escaped the "
s and s with
.
Produces an output like:
stephane,3641,3702,10-00:20:24,0.1,0.3,"some cmd,and,args... VAR=foo"bar"
add a comment |
Since the first 6 fields should not contain blank characters (unless you allow them in user names), you can post-process the output:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed '
s/["]/\&/g
s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,"/
s/$/"/'
Here quoting the last field (args) after having escaped the "
s and s with
.
Produces an output like:
stephane,3641,3702,10-00:20:24,0.1,0.3,"some cmd,and,args... VAR=foo"bar"
add a comment |
Since the first 6 fields should not contain blank characters (unless you allow them in user names), you can post-process the output:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed '
s/["]/\&/g
s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,"/
s/$/"/'
Here quoting the last field (args) after having escaped the "
s and s with
.
Produces an output like:
stephane,3641,3702,10-00:20:24,0.1,0.3,"some cmd,and,args... VAR=foo"bar"
Since the first 6 fields should not contain blank characters (unless you allow them in user names), you can post-process the output:
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed '
s/["]/\&/g
s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,/;s/ */,"/
s/$/"/'
Here quoting the last field (args) after having escaped the "
s and s with
.
Produces an output like:
stephane,3641,3702,10-00:20:24,0.1,0.3,"some cmd,and,args... VAR=foo"bar"
edited Sep 1 '14 at 13:29
answered Sep 1 '14 at 13:23
Stéphane ChazelasStéphane Chazelas
311k57586945
311k57586945
add a comment |
add a comment |
You can use sed
with ps
. So what you want is here:-
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed 's/ /,/g'
But I wonder if it would be useful, as output of ps
itself has got lots of ,
.
As I mentioned, I believe I have only chosen one column that could have a,
which I have put at the end, however, this solution would remove the,
from that column which I do not want.
– Cheetah
Sep 1 '14 at 13:19
Look at the output that generates and tell me if you think that's desirable :) Especially take notice of the command column.
– Oli
Sep 1 '14 at 13:19
That would be the same astr ' ' ,
. You probably wanttr -s ' ' ,
here.
– Stéphane Chazelas
Sep 1 '14 at 13:30
add a comment |
You can use sed
with ps
. So what you want is here:-
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed 's/ /,/g'
But I wonder if it would be useful, as output of ps
itself has got lots of ,
.
As I mentioned, I believe I have only chosen one column that could have a,
which I have put at the end, however, this solution would remove the,
from that column which I do not want.
– Cheetah
Sep 1 '14 at 13:19
Look at the output that generates and tell me if you think that's desirable :) Especially take notice of the command column.
– Oli
Sep 1 '14 at 13:19
That would be the same astr ' ' ,
. You probably wanttr -s ' ' ,
here.
– Stéphane Chazelas
Sep 1 '14 at 13:30
add a comment |
You can use sed
with ps
. So what you want is here:-
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed 's/ /,/g'
But I wonder if it would be useful, as output of ps
itself has got lots of ,
.
You can use sed
with ps
. So what you want is here:-
ps --no-headers -exo "uname,ppid,pid,etime,%cpu,%mem,args" | sed 's/ /,/g'
But I wonder if it would be useful, as output of ps
itself has got lots of ,
.
answered Sep 1 '14 at 13:17
beginerbeginer
2,0681117
2,0681117
As I mentioned, I believe I have only chosen one column that could have a,
which I have put at the end, however, this solution would remove the,
from that column which I do not want.
– Cheetah
Sep 1 '14 at 13:19
Look at the output that generates and tell me if you think that's desirable :) Especially take notice of the command column.
– Oli
Sep 1 '14 at 13:19
That would be the same astr ' ' ,
. You probably wanttr -s ' ' ,
here.
– Stéphane Chazelas
Sep 1 '14 at 13:30
add a comment |
As I mentioned, I believe I have only chosen one column that could have a,
which I have put at the end, however, this solution would remove the,
from that column which I do not want.
– Cheetah
Sep 1 '14 at 13:19
Look at the output that generates and tell me if you think that's desirable :) Especially take notice of the command column.
– Oli
Sep 1 '14 at 13:19
That would be the same astr ' ' ,
. You probably wanttr -s ' ' ,
here.
– Stéphane Chazelas
Sep 1 '14 at 13:30
As I mentioned, I believe I have only chosen one column that could have a
,
which I have put at the end, however, this solution would remove the ,
from that column which I do not want.– Cheetah
Sep 1 '14 at 13:19
As I mentioned, I believe I have only chosen one column that could have a
,
which I have put at the end, however, this solution would remove the ,
from that column which I do not want.– Cheetah
Sep 1 '14 at 13:19
Look at the output that generates and tell me if you think that's desirable :) Especially take notice of the command column.
– Oli
Sep 1 '14 at 13:19
Look at the output that generates and tell me if you think that's desirable :) Especially take notice of the command column.
– Oli
Sep 1 '14 at 13:19
That would be the same as
tr ' ' ,
. You probably want tr -s ' ' ,
here.– Stéphane Chazelas
Sep 1 '14 at 13:30
That would be the same as
tr ' ' ,
. You probably want tr -s ' ' ,
here.– Stéphane Chazelas
Sep 1 '14 at 13:30
add a comment |
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