Mdthbs

Could a complex system of reaction wheels be used to propel a spacecraft?

Properly unlinking hard links

Should a TA point out a professor's mistake while attending their lecture?

'spazieren' - walking in a silly and affected manner?

Is it good practice to speed up and slow down where not written in a song?

Am I required to correct my opponent's assumptions about my morph creatures?

In Endgame, wouldn't Stark have remembered Hulk busting out of the stairwell?

Do universities maintain secret textbooks?

What's the origin of the concept of alternate dimensions/realities?

Sum and average calculator

How do I portray irrational anger in first person?

Cheap oscilloscope showing 16 MHz square wave

Why don't 3D printer heads use ceramic inner walls?

My colleague treats me like he's my boss, yet we're on the same level

Connecting points from separate Tikz figures

Is the word 'mistake' a concrete or abstract noun?

In what language did Túrin converse with Mím?

Rapid change in character

Understanding data transmission rates over copper wire

New coworker has strange workplace requirements - how should I deal with them?

What caused the end of cybernetic implants?

Can I leave a large suitcase at TPE during a 4-hour layover, and pick it up 4.5 days later when I come back to TPE on my way to Taipei downtown?

What checks exist against overuse of presidential pardons in the USA?

Ask one verbal question to figure out who is blind and who is mute among three persons

How to remove all matching pattern except the top one in sed?

how to remove all double quotes from csv except specific fieldHow do I keep a part of the pattern matched and use it to replace on BSD sed?How to delete everything (in every line) in a text file after a pattern of characters(including the pattern)?sed script to remove all lines with a pattern and append lines at the endHow to use sed and regular expressions to find pattern and remove last few characters?How do i remove a specific pattern from a specific lines using bashsed: delete all lines before matching one, including this one

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ margin-bottom:0;
}

0

file.txt

1.1.1.1 abc 

1.1.1.1 ccc

1.2.2.2 ddd

1.2.2.2 qqq

1.2.2.2 zzz

Expected result:

1.1.1.1 abc

1.2.2.2 ddd

I tried:

sed -i '/1.1.1.1/d' file.txt 



sed -i '/2.2.2.2/d' file.txt 

But however it remove all instead of leaving 1 result. How to delete all matching pattern but left 1?

linux bash sed scripting

share|improve this question

asked 1 hour ago

Muzaffar MohamedMuzaffar Mohamed

1

New contributor

Muzaffar Mohamed 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 | 

0

file.txt

1.1.1.1 abc 

1.1.1.1 ccc

1.2.2.2 ddd

1.2.2.2 qqq

1.2.2.2 zzz

Expected result:

1.1.1.1 abc

1.2.2.2 ddd

I tried:

sed -i '/1.1.1.1/d' file.txt 



sed -i '/2.2.2.2/d' file.txt 

But however it remove all instead of leaving 1 result. How to delete all matching pattern but left 1?

linux bash sed scripting

share|improve this question

asked 1 hour ago

Muzaffar MohamedMuzaffar Mohamed

1

New contributor

Muzaffar Mohamed 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 | 

file.txt

1.1.1.1 abc 

1.1.1.1 ccc

1.2.2.2 ddd

1.2.2.2 qqq

1.2.2.2 zzz

Expected result:

1.1.1.1 abc

1.2.2.2 ddd

I tried:

sed -i '/1.1.1.1/d' file.txt 



sed -i '/2.2.2.2/d' file.txt 

But however it remove all instead of leaving 1 result. How to delete all matching pattern but left 1?

linux bash sed scripting

share|improve this question

asked 1 hour ago

Muzaffar MohamedMuzaffar Mohamed

1

New contributor

Muzaffar Mohamed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

1.1.1.1 abc 

1.1.1.1 ccc

1.2.2.2 ddd

1.2.2.2 qqq

1.2.2.2 zzz

1.1.1.1 abc

1.2.2.2 ddd

sed -i '/1.1.1.1/d' file.txt 



sed -i '/2.2.2.2/d' file.txt 

share|improve this question

asked 1 hour ago

Muzaffar MohamedMuzaffar Mohamed

1

New contributor

Muzaffar Mohamed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 1 hour ago

Muzaffar MohamedMuzaffar Mohamed

1

New contributor

Muzaffar Mohamed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 1 hour ago

Muzaffar MohamedMuzaffar Mohamed

1

New contributor

Muzaffar Mohamed is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 1 hour ago

Muzaffar MohamedMuzaffar Mohamed

1