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}

-1

Text:

exampleexampleexampleexample 

Desired output:

exam$plee$xamp$leex$ampl$eexa$mpl$

I did this:

sed 's/[^*]/&$/4'

But it doesn't work, is there another way to do it?

sed

share|improve this question

edited yesterday

IISomeOneII

asked yesterday

IISomeOneIIIISomeOneII

13211 silver badge1313 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  answer to now deleted question: echo 'something' | sed 's/.{'$(( ( RANDOM % MAX) +MIN ))'}/&$/g' (replace MAX with a max number and MIN with min number); no you cannot easily revert that back if the $ character was previously can find in your input else ... | sed 's/$//g'
  
  – αғsнιη
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Now it's work @αғsнιη thx 👍
  
  – IISomeOneII
  yesterday
  

  
  
  
  

add a comment | 

-1

Text:

exampleexampleexampleexample 

Desired output:

exam$plee$xamp$leex$ampl$eexa$mpl$

I did this:

sed 's/[^*]/&$/4'

But it doesn't work, is there another way to do it?

sed

share|improve this question

edited yesterday

IISomeOneII

asked yesterday

IISomeOneIIIISomeOneII

13211 silver badge1313 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  answer to now deleted question: echo 'something' | sed 's/.{'$(( ( RANDOM % MAX) +MIN ))'}/&$/g' (replace MAX with a max number and MIN with min number); no you cannot easily revert that back if the $ character was previously can find in your input else ... | sed 's/$//g'
  
  – αғsнιη
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Now it's work @αғsнιη thx 👍
  
  – IISomeOneII
  yesterday
  

  
  
  
  

add a comment | 

Text:

exampleexampleexampleexample 

Desired output:

exam$plee$xamp$leex$ampl$eexa$mpl$

I did this:

sed 's/[^*]/&$/4'

But it doesn't work, is there another way to do it?

sed

share|improve this question

edited yesterday

IISomeOneII

asked yesterday

IISomeOneIIIISomeOneII

13211 silver badge1313 bronze badges

exampleexampleexampleexample 

exam$plee$xamp$leex$ampl$eexa$mpl$

sed 's/[^*]/&$/4'

share|improve this question

edited yesterday

IISomeOneII

asked yesterday

IISomeOneIIIISomeOneII

13211 silver badge1313 bronze badges

share|improve this question

edited yesterday

IISomeOneII

asked yesterday

IISomeOneIIIISomeOneII

13211 silver badge1313 bronze badges

asked yesterday

IISomeOneIIIISomeOneII

13211 silver badge1313 bronze badges

asked yesterday

IISomeOneIIIISomeOneII

13211 silver badge1313 bronze badges

1 Answer
1

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oldest

votes

1

To insert $ globally after four characters:

$ echo "exampleexampleexampleexample" | sed 's/.{4}/&$/g'

exam$plee$xamp$leex$ampl$eexa$mple$

The . matches one character and .{4} matches four of them. The replacement part &$ consists of the matched pattern & (four characters) and $. Using the g flag, the pattern is replaced globally (every four characters).

share|improve this answer

edited yesterday

answered yesterday

FreddyFreddy

6,63011 gold badge66 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks It's work @Freddy, could you explain it for me?
  
  – IISomeOneII
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Okay, and if I want to revert back and delete that $? @Freddy
  
  – IISomeOneII
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Reversed: echo 'exam$plee$xamp$leex$ampl$eexa$mple$' | sed 's/(.{4})$/1/g'
  
  – Freddy
  yesterday
  

  
  
  
  

add a comment | 

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1

To insert $ globally after four characters:

$ echo "exampleexampleexampleexample" | sed 's/.{4}/&$/g'

exam$plee$xamp$leex$ampl$eexa$mple$

The . matches one character and .{4} matches four of them. The replacement part &$ consists of the matched pattern & (four characters) and $. Using the g flag, the pattern is replaced globally (every four characters).

share|improve this answer

edited yesterday

answered yesterday

FreddyFreddy

6,63011 gold badge66 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks It's work @Freddy, could you explain it for me?
  
  – IISomeOneII
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Okay, and if I want to revert back and delete that $? @Freddy
  
  – IISomeOneII
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Reversed: echo 'exam$plee$xamp$leex$ampl$eexa$mple$' | sed 's/(.{4})$/1/g'
  
  – Freddy
  yesterday
  

  
  
  
  

add a comment | 

1

To insert $ globally after four characters:

$ echo "exampleexampleexampleexample" | sed 's/.{4}/&$/g'

exam$plee$xamp$leex$ampl$eexa$mple$

The . matches one character and .{4} matches four of them. The replacement part &$ consists of the matched pattern & (four characters) and $. Using the g flag, the pattern is replaced globally (every four characters).

share|improve this answer

edited yesterday

answered yesterday

FreddyFreddy

6,63011 gold badge66 silver badges2424 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks It's work @Freddy, could you explain it for me?
  
  – IISomeOneII
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Okay, and if I want to revert back and delete that $? @Freddy
  
  – IISomeOneII
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Reversed: echo 'exam$plee$xamp$leex$ampl$eexa$mple$' | sed 's/(.{4})$/1/g'
  
  – Freddy
  yesterday
  

  
  
  
  

add a comment | 

To insert $ globally after four characters:

$ echo "exampleexampleexampleexample" | sed 's/.{4}/&$/g'

exam$plee$xamp$leex$ampl$eexa$mple$

The . matches one character and .{4} matches four of them. The replacement part &$ consists of the matched pattern & (four characters) and $. Using the g flag, the pattern is replaced globally (every four characters).

share|improve this answer

edited yesterday

answered yesterday

FreddyFreddy

6,63011 gold badge66 silver badges2424 bronze badges

$ echo "exampleexampleexampleexample" | sed 's/.{4}/&$/g'

exam$plee$xamp$leex$ampl$eexa$mple$

share|improve this answer

edited yesterday

answered yesterday

FreddyFreddy

6,63011 gold badge66 silver badges2424 bronze badges

answered yesterday

FreddyFreddy

6,63011 gold badge66 silver badges2424 bronze badges

answered yesterday

FreddyFreddy

6,63011 gold badge66 silver badges2424 bronze badges