Using grep to filtergrep *stringA*[number]Using the grep filterHow to filter content between specific keywords using grep?Using individual lines from grep outputs“egrep: empty (sub)expression” when attempting to filter out words from a listHow to filter pair of bracesOutput current day using calGrep multiple files and output to multiple files in a single commandHow to use grep to search for a line with one of two words but not both?Use multiple expressions in grep consumer
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Using grep to filter
grep *stringA*[number]Using the grep filterHow to filter content between specific keywords using grep?Using individual lines from grep outputs“egrep: empty (sub)expression” when attempting to filter out words from a listHow to filter pair of bracesOutput current day using calGrep multiple files and output to multiple files in a single commandHow to use grep to search for a line with one of two words but not both?Use multiple expressions in grep consumer
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
Suppose I have a file.txt with the following lines :
hello myname1 is yellow.pcapng red
festive myname33 is hddd.pcapng dfdf
crude myname44 is hello.pcapng
Now my goal is to filter to the lines so it outputs to out.txt as follows :
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
Now I know that I can use :
grep -oh "w*mynamew*" /tmp/file.txt > /tmp/out.txt
grep -o '[^ ]+g' /tmp/file.txt > /tmp/out.txt
to get the both respective parts of the expression individually.
How do I combine these commands so that I get my desired output?
grep
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Suppose I have a file.txt with the following lines :
hello myname1 is yellow.pcapng red
festive myname33 is hddd.pcapng dfdf
crude myname44 is hello.pcapng
Now my goal is to filter to the lines so it outputs to out.txt as follows :
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
Now I know that I can use :
grep -oh "w*mynamew*" /tmp/file.txt > /tmp/out.txt
grep -o '[^ ]+g' /tmp/file.txt > /tmp/out.txt
to get the both respective parts of the expression individually.
How do I combine these commands so that I get my desired output?
grep
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
3
do you have to usegrep? You have a problem that's begging for anawksolution, and awk should be available everywhere that grep is.
– Jeff Schaller♦
Jun 3 at 18:05
I was only familiar with grep and not awk, could you show me how to do using awk possibly?
– gangsignwall
Jun 3 at 18:13
@JeffSchaller It's actually begging for acutsolution, since this is exactly whatcutis supposed to do
– ChatterOne
Jun 4 at 9:57
Good thing there is a cut solution, @ChatterOne!
– Jeff Schaller♦
Jun 4 at 10:30
add a comment |
Suppose I have a file.txt with the following lines :
hello myname1 is yellow.pcapng red
festive myname33 is hddd.pcapng dfdf
crude myname44 is hello.pcapng
Now my goal is to filter to the lines so it outputs to out.txt as follows :
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
Now I know that I can use :
grep -oh "w*mynamew*" /tmp/file.txt > /tmp/out.txt
grep -o '[^ ]+g' /tmp/file.txt > /tmp/out.txt
to get the both respective parts of the expression individually.
How do I combine these commands so that I get my desired output?
grep
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Suppose I have a file.txt with the following lines :
hello myname1 is yellow.pcapng red
festive myname33 is hddd.pcapng dfdf
crude myname44 is hello.pcapng
Now my goal is to filter to the lines so it outputs to out.txt as follows :
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
Now I know that I can use :
grep -oh "w*mynamew*" /tmp/file.txt > /tmp/out.txt
grep -o '[^ ]+g' /tmp/file.txt > /tmp/out.txt
to get the both respective parts of the expression individually.
How do I combine these commands so that I get my desired output?
grep
grep
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
edited Jun 3 at 18:06
Jeff Schaller♦
46.4k1166151
46.4k1166151
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
asked Jun 3 at 18:01
gangsignwallgangsignwall
132
132
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
gangsignwall is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
3
do you have to usegrep? You have a problem that's begging for anawksolution, and awk should be available everywhere that grep is.
– Jeff Schaller♦
Jun 3 at 18:05
I was only familiar with grep and not awk, could you show me how to do using awk possibly?
– gangsignwall
Jun 3 at 18:13
@JeffSchaller It's actually begging for acutsolution, since this is exactly whatcutis supposed to do
– ChatterOne
Jun 4 at 9:57
Good thing there is a cut solution, @ChatterOne!
– Jeff Schaller♦
Jun 4 at 10:30
add a comment |
3
do you have to usegrep? You have a problem that's begging for anawksolution, and awk should be available everywhere that grep is.
– Jeff Schaller♦
Jun 3 at 18:05
I was only familiar with grep and not awk, could you show me how to do using awk possibly?
– gangsignwall
Jun 3 at 18:13
@JeffSchaller It's actually begging for acutsolution, since this is exactly whatcutis supposed to do
– ChatterOne
Jun 4 at 9:57
Good thing there is a cut solution, @ChatterOne!
– Jeff Schaller♦
Jun 4 at 10:30
3
3
do you have to use
grep? You have a problem that's begging for an awk solution, and awk should be available everywhere that grep is.– Jeff Schaller♦
Jun 3 at 18:05
do you have to use
grep? You have a problem that's begging for an awk solution, and awk should be available everywhere that grep is.– Jeff Schaller♦
Jun 3 at 18:05
I was only familiar with grep and not awk, could you show me how to do using awk possibly?
– gangsignwall
Jun 3 at 18:13
I was only familiar with grep and not awk, could you show me how to do using awk possibly?
– gangsignwall
Jun 3 at 18:13
@JeffSchaller It's actually begging for a
cut solution, since this is exactly what cut is supposed to do– ChatterOne
Jun 4 at 9:57
@JeffSchaller It's actually begging for a
cut solution, since this is exactly what cut is supposed to do– ChatterOne
Jun 4 at 9:57
Good thing there is a cut solution, @ChatterOne!
– Jeff Schaller♦
Jun 4 at 10:30
Good thing there is a cut solution, @ChatterOne!
– Jeff Schaller♦
Jun 4 at 10:30
add a comment |
5 Answers
5
active
oldest
votes
Given your sample data, you could assume that words #2 and #4 are what you want to extract; you'd express that in awk with:
awk ' print $2, $4 ' < /tmp/file.txt > /tmp/out.txt
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
add a comment |
You could use cut:
cut -d' ' -f2,4 < /tmp/file.txt > /tmp/out.txt
answered Jun 4 at 7:02
pLumopLumo
5,7921125
add a comment |
Using awk instead of grep.
awk 'print $2,$4' /tmp/file.txt > /tmp/out.txt
You are piping the output of cat file.txt to awk.
Then using awk expressions 'print $2,$4', you are printing the 2nd and 4th field of the split line, with a space to separate.
Your output will be how you desire.
edited Jun 4 at 6:33
Nasir Riley
3,3252410
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
New contributor
Mylo Mylo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Could do this too:
cat file.txt | sed "s/.*(myname[0-9]*) is ([^ ]*).*/1 2/g" | grep ^myname > /tmp/out.txt
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
add a comment |
Since shell script method has been provided above, Tried in Python and worked fine too
#!/usr/bin/python
o=[]
k=open('i','r')
for z in k:
o.append(z.strip().split(' ')[1])
o.append(z.strip().split(' ')[3])
for d in range(0,len(o),2):
print " ".join(o[d:d+2])
output
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
add a comment |
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5 Answers
5
active
oldest
votes
5 Answers
5
active
oldest
votes
active
oldest
votes
active
oldest
votes
Given your sample data, you could assume that words #2 and #4 are what you want to extract; you'd express that in awk with:
awk ' print $2, $4 ' < /tmp/file.txt > /tmp/out.txt
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
add a comment |
Given your sample data, you could assume that words #2 and #4 are what you want to extract; you'd express that in awk with:
awk ' print $2, $4 ' < /tmp/file.txt > /tmp/out.txt
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
add a comment |
Given your sample data, you could assume that words #2 and #4 are what you want to extract; you'd express that in awk with:
awk ' print $2, $4 ' < /tmp/file.txt > /tmp/out.txt
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
Given your sample data, you could assume that words #2 and #4 are what you want to extract; you'd express that in awk with:
awk ' print $2, $4 ' < /tmp/file.txt > /tmp/out.txt
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
edited Jun 3 at 18:42
Kusalananda♦
150k18288474
150k18288474
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
answered Jun 3 at 18:18
Jeff Schaller♦Jeff Schaller
46.4k1166151
46.4k1166151
add a comment |
add a comment |
You could use cut:
cut -d' ' -f2,4 < /tmp/file.txt > /tmp/out.txt
answered Jun 4 at 7:02
pLumopLumo
5,7921125
add a comment |
You could use cut:
cut -d' ' -f2,4 < /tmp/file.txt > /tmp/out.txt
answered Jun 4 at 7:02
pLumopLumo
5,7921125
add a comment |
You could use cut:
cut -d' ' -f2,4 < /tmp/file.txt > /tmp/out.txt
answered Jun 4 at 7:02
pLumopLumo
5,7921125
You could use cut:
cut -d' ' -f2,4 < /tmp/file.txt > /tmp/out.txt
answered Jun 4 at 7:02
pLumopLumo
5,7921125
answered Jun 4 at 7:02
pLumopLumo
5,7921125
answered Jun 4 at 7:02
pLumopLumo
5,7921125
answered Jun 4 at 7:02
pLumopLumo
5,7921125
5,7921125
add a comment |
add a comment |
Using awk instead of grep.
awk 'print $2,$4' /tmp/file.txt > /tmp/out.txt
You are piping the output of cat file.txt to awk.
Then using awk expressions 'print $2,$4', you are printing the 2nd and 4th field of the split line, with a space to separate.
Your output will be how you desire.
edited Jun 4 at 6:33
Nasir Riley
3,3252410
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
New contributor
Mylo Mylo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Using awk instead of grep.
awk 'print $2,$4' /tmp/file.txt > /tmp/out.txt
You are piping the output of cat file.txt to awk.
Then using awk expressions 'print $2,$4', you are printing the 2nd and 4th field of the split line, with a space to separate.
Your output will be how you desire.
edited Jun 4 at 6:33
Nasir Riley
3,3252410
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
New contributor
Mylo Mylo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Using awk instead of grep.
awk 'print $2,$4' /tmp/file.txt > /tmp/out.txt
You are piping the output of cat file.txt to awk.
Then using awk expressions 'print $2,$4', you are printing the 2nd and 4th field of the split line, with a space to separate.
Your output will be how you desire.
edited Jun 4 at 6:33
Nasir Riley
3,3252410
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
New contributor
Mylo Mylo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Using awk instead of grep.
awk 'print $2,$4' /tmp/file.txt > /tmp/out.txt
You are piping the output of cat file.txt to awk.
Then using awk expressions 'print $2,$4', you are printing the 2nd and 4th field of the split line, with a space to separate.
Your output will be how you desire.
edited Jun 4 at 6:33
Nasir Riley
3,3252410
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
New contributor
Mylo Mylo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Jun 4 at 6:33
Nasir Riley
3,3252410
edited Jun 4 at 6:33
Nasir Riley
3,3252410
edited Jun 4 at 6:33
Nasir Riley
3,3252410
3,3252410
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
New contributor
Mylo Mylo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
answered Jun 3 at 18:19
Mylo MyloMylo Mylo
211
211
New contributor
Mylo Mylo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
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add a comment |
add a comment |
Could do this too:
cat file.txt | sed "s/.*(myname[0-9]*) is ([^ ]*).*/1 2/g" | grep ^myname > /tmp/out.txt
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
add a comment |
Could do this too:
cat file.txt | sed "s/.*(myname[0-9]*) is ([^ ]*).*/1 2/g" | grep ^myname > /tmp/out.txt
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
add a comment |
Could do this too:
cat file.txt | sed "s/.*(myname[0-9]*) is ([^ ]*).*/1 2/g" | grep ^myname > /tmp/out.txt
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
Could do this too:
cat file.txt | sed "s/.*(myname[0-9]*) is ([^ ]*).*/1 2/g" | grep ^myname > /tmp/out.txt
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
answered Jun 3 at 18:23
Ulysses_Ulysses_
115
115
add a comment |
add a comment |
Since shell script method has been provided above, Tried in Python and worked fine too
#!/usr/bin/python
o=[]
k=open('i','r')
for z in k:
o.append(z.strip().split(' ')[1])
o.append(z.strip().split(' ')[3])
for d in range(0,len(o),2):
print " ".join(o[d:d+2])
output
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
add a comment |
Since shell script method has been provided above, Tried in Python and worked fine too
#!/usr/bin/python
o=[]
k=open('i','r')
for z in k:
o.append(z.strip().split(' ')[1])
o.append(z.strip().split(' ')[3])
for d in range(0,len(o),2):
print " ".join(o[d:d+2])
output
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
add a comment |
Since shell script method has been provided above, Tried in Python and worked fine too
#!/usr/bin/python
o=[]
k=open('i','r')
for z in k:
o.append(z.strip().split(' ')[1])
o.append(z.strip().split(' ')[3])
for d in range(0,len(o),2):
print " ".join(o[d:d+2])
output
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
Since shell script method has been provided above, Tried in Python and worked fine too
#!/usr/bin/python
o=[]
k=open('i','r')
for z in k:
o.append(z.strip().split(' ')[1])
o.append(z.strip().split(' ')[3])
for d in range(0,len(o),2):
print " ".join(o[d:d+2])
output
myname1 yellow.pcapng
myname33 hddd.pcapng
myname44 hello.pcapng
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
answered Jun 4 at 16:09
Praveen Kumar BSPraveen Kumar BS
2,0572311
2,0572311
add a comment |
add a comment |
gangsignwall is a new contributor. Be nice, and check out our Code of Conduct.
gangsignwall is a new contributor. Be nice, and check out our Code of Conduct.
gangsignwall is a new contributor. Be nice, and check out our Code of Conduct.
gangsignwall is a new contributor. Be nice, and check out our Code of Conduct.
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3
do you have to use
grep? You have a problem that's begging for anawksolution, and awk should be available everywhere that grep is.– Jeff Schaller♦
Jun 3 at 18:05
I was only familiar with grep and not awk, could you show me how to do using awk possibly?
– gangsignwall
Jun 3 at 18:13
@JeffSchaller It's actually begging for a
cutsolution, since this is exactly whatcutis supposed to do– ChatterOne
Jun 4 at 9:57
Good thing there is a cut solution, @ChatterOne!
– Jeff Schaller♦
Jun 4 at 10:30