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0

I have this table:

My script is:

#!/usr/bin/bash

sd2=`iostat -xz | awk '/sd2/ {print $8}'`



sd3=`iostat -xz | awk '/sd3/ {print $8}'`



delta=$sd2-$sd3



echo "Message: Hard Drive Service Time Delta"



echo "Data:"



printf $delta

The output of script is: 0.4-0.4

Question: What do I need to do to get the output: 0

Tia!

awk

share|improve this question

edited 1 hour ago

msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

asked 1 hour ago

Sevdale CorpuzSevdale Corpuz

311 bronze badge

New contributor

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

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  you should try bc or awk
  
  – msp9011
  1 hour ago
  

  
  
  
  

add a comment | 

0

I have this table:

My script is:

#!/usr/bin/bash

sd2=`iostat -xz | awk '/sd2/ {print $8}'`



sd3=`iostat -xz | awk '/sd3/ {print $8}'`



delta=$sd2-$sd3



echo "Message: Hard Drive Service Time Delta"



echo "Data:"



printf $delta

The output of script is: 0.4-0.4

Question: What do I need to do to get the output: 0

Tia!

awk

share|improve this question

edited 1 hour ago

msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

asked 1 hour ago

Sevdale CorpuzSevdale Corpuz

311 bronze badge

New contributor

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

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  you should try bc or awk
  
  – msp9011
  1 hour ago
  

  
  
  
  

add a comment | 

I have this table:

My script is:

#!/usr/bin/bash

sd2=`iostat -xz | awk '/sd2/ {print $8}'`



sd3=`iostat -xz | awk '/sd3/ {print $8}'`



delta=$sd2-$sd3



echo "Message: Hard Drive Service Time Delta"



echo "Data:"



printf $delta

The output of script is: 0.4-0.4

Question: What do I need to do to get the output: 0

Tia!

awk

share|improve this question

edited 1 hour ago

msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

asked 1 hour ago

Sevdale CorpuzSevdale Corpuz

311 bronze badge

New contributor

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

#!/usr/bin/bash

sd2=`iostat -xz | awk '/sd2/ {print $8}'`



sd3=`iostat -xz | awk '/sd3/ {print $8}'`



delta=$sd2-$sd3



echo "Message: Hard Drive Service Time Delta"



echo "Data:"



printf $delta

share|improve this question

edited 1 hour ago

msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

asked 1 hour ago

Sevdale CorpuzSevdale Corpuz

311 bronze badge

New contributor

Sevdale Corpuz 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

edited 1 hour ago

msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

asked 1 hour ago

Sevdale CorpuzSevdale Corpuz

311 bronze badge

New contributor

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

edited 1 hour ago

msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

edited 1 hour ago

msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

asked 1 hour ago

Sevdale CorpuzSevdale Corpuz

311 bronze badge

New contributor

Sevdale Corpuz 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

Sevdale CorpuzSevdale Corpuz

311 bronze badge

1 Answer
1

active

oldest

votes

0

Try this,

delta=$(bc <<< "$sd2-$sd3")

or

delta=$(echo $sd2 $sd3 |awk '{print $1-$2}')

share|improve this answer

answered 59 mins ago

msp9011msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Both works. Thank You!
  
  – Sevdale Corpuz
  53 mins ago
  

  
  
  
  

add a comment | 

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0

Try this,

delta=$(bc <<< "$sd2-$sd3")

or

delta=$(echo $sd2 $sd3 |awk '{print $1-$2}')

share|improve this answer

answered 59 mins ago

msp9011msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Both works. Thank You!
  
  – Sevdale Corpuz
  53 mins ago
  

  
  
  
  

add a comment | 

0

Try this,

delta=$(bc <<< "$sd2-$sd3")

or

delta=$(echo $sd2 $sd3 |awk '{print $1-$2}')

share|improve this answer

answered 59 mins ago

msp9011msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Both works. Thank You!
  
  – Sevdale Corpuz
  53 mins ago
  

  
  
  
  

add a comment | 

Try this,

delta=$(bc <<< "$sd2-$sd3")

or

delta=$(echo $sd2 $sd3 |awk '{print $1-$2}')

share|improve this answer

answered 59 mins ago

msp9011msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

delta=$(bc <<< "$sd2-$sd3")

delta=$(echo $sd2 $sd3 |awk '{print $1-$2}')

share|improve this answer

answered 59 mins ago

msp9011msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

answered 59 mins ago

msp9011msp9011

5,42755 gold badges4343 silver badges6969 bronze badges

answered 59 mins ago

msp9011msp9011

5,42755 gold badges4343 silver badges6969 bronze badges