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How to modify these bash functions into one?


Checking if an input number is an integerIs it possible to write portable service scripts to control a daemon?How do I use vim on the command line to add text to the middle of a file?How to merge these commands into one?Stable timing for shell scripts?Script to run commands as soon as a key is hitForward stdout to different ttyControl characters in a terminal with an active foreground processHow can I swap two characters in the command line input?How can I turn these instructions into a loop?Bash: Complete wrapper for command line programs













2















Normally these would go in one's .bashrc file to be used as a stopwatch, but they are sort of inconvienent to use and recall with the several different commands for the different units of time.



function time_seconds()

echo "Counting to $1 seconds"
time_func $1


function time_minutes()

echo "Counting to $1 minutes"
time_func $1*60


function time_hours()

echo "Counting to $1 hours"
time_func $1*60*60


function time_flexible() # accepts flexible input hh:mm:ss (does not work)

echo "Counting to $1"
secs=$(time2seconds $1)
time_func $secs



enter image description here



I would like to convert all these functions, commands into one function, one command. I think a lot of people would find this almost as useful as the sleep command... well, not quite... but still very convenient to have. Speaking of the sleep command, it works as follows, example:



sleep 5h 22m 44s


I would like to turn these commands into a one stopwatch command in which accepts a input values exactly like the sleep command, example:



stopwatch 5h 22m 44s


How would I go about accomplishing this?



p.s. feel free to modify the stopwatch display output if you see your changes making this more universally accepted as simpler and easier.










share|improve this question
























  • Can you convert that picture of text, to text.

    – ctrl-alt-delor
    2 days ago











  • Thanks for contributing! But please, don't post images of text (read this for reasons why).

    – Kusalananda
    2 days ago















2















Normally these would go in one's .bashrc file to be used as a stopwatch, but they are sort of inconvienent to use and recall with the several different commands for the different units of time.



function time_seconds()

echo "Counting to $1 seconds"
time_func $1


function time_minutes()

echo "Counting to $1 minutes"
time_func $1*60


function time_hours()

echo "Counting to $1 hours"
time_func $1*60*60


function time_flexible() # accepts flexible input hh:mm:ss (does not work)

echo "Counting to $1"
secs=$(time2seconds $1)
time_func $secs



enter image description here



I would like to convert all these functions, commands into one function, one command. I think a lot of people would find this almost as useful as the sleep command... well, not quite... but still very convenient to have. Speaking of the sleep command, it works as follows, example:



sleep 5h 22m 44s


I would like to turn these commands into a one stopwatch command in which accepts a input values exactly like the sleep command, example:



stopwatch 5h 22m 44s


How would I go about accomplishing this?



p.s. feel free to modify the stopwatch display output if you see your changes making this more universally accepted as simpler and easier.










share|improve this question
























  • Can you convert that picture of text, to text.

    – ctrl-alt-delor
    2 days ago











  • Thanks for contributing! But please, don't post images of text (read this for reasons why).

    – Kusalananda
    2 days ago













2












2








2


1






Normally these would go in one's .bashrc file to be used as a stopwatch, but they are sort of inconvienent to use and recall with the several different commands for the different units of time.



function time_seconds()

echo "Counting to $1 seconds"
time_func $1


function time_minutes()

echo "Counting to $1 minutes"
time_func $1*60


function time_hours()

echo "Counting to $1 hours"
time_func $1*60*60


function time_flexible() # accepts flexible input hh:mm:ss (does not work)

echo "Counting to $1"
secs=$(time2seconds $1)
time_func $secs



enter image description here



I would like to convert all these functions, commands into one function, one command. I think a lot of people would find this almost as useful as the sleep command... well, not quite... but still very convenient to have. Speaking of the sleep command, it works as follows, example:



sleep 5h 22m 44s


I would like to turn these commands into a one stopwatch command in which accepts a input values exactly like the sleep command, example:



stopwatch 5h 22m 44s


How would I go about accomplishing this?



p.s. feel free to modify the stopwatch display output if you see your changes making this more universally accepted as simpler and easier.










share|improve this question
















Normally these would go in one's .bashrc file to be used as a stopwatch, but they are sort of inconvienent to use and recall with the several different commands for the different units of time.



function time_seconds()

echo "Counting to $1 seconds"
time_func $1


function time_minutes()

echo "Counting to $1 minutes"
time_func $1*60


function time_hours()

echo "Counting to $1 hours"
time_func $1*60*60


function time_flexible() # accepts flexible input hh:mm:ss (does not work)

echo "Counting to $1"
secs=$(time2seconds $1)
time_func $secs



enter image description here



I would like to convert all these functions, commands into one function, one command. I think a lot of people would find this almost as useful as the sleep command... well, not quite... but still very convenient to have. Speaking of the sleep command, it works as follows, example:



sleep 5h 22m 44s


I would like to turn these commands into a one stopwatch command in which accepts a input values exactly like the sleep command, example:



stopwatch 5h 22m 44s


How would I go about accomplishing this?



p.s. feel free to modify the stopwatch display output if you see your changes making this more universally accepted as simpler and easier.







bash shell-script shell command-line scripting






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 2 days ago









Rui F Ribeiro

41.8k1483142




41.8k1483142










asked 2 days ago









Anonymous UserAnonymous User

436




436












  • Can you convert that picture of text, to text.

    – ctrl-alt-delor
    2 days ago











  • Thanks for contributing! But please, don't post images of text (read this for reasons why).

    – Kusalananda
    2 days ago

















  • Can you convert that picture of text, to text.

    – ctrl-alt-delor
    2 days ago











  • Thanks for contributing! But please, don't post images of text (read this for reasons why).

    – Kusalananda
    2 days ago
















Can you convert that picture of text, to text.

– ctrl-alt-delor
2 days ago





Can you convert that picture of text, to text.

– ctrl-alt-delor
2 days ago













Thanks for contributing! But please, don't post images of text (read this for reasons why).

– Kusalananda
2 days ago





Thanks for contributing! But please, don't post images of text (read this for reasons why).

– Kusalananda
2 days ago










1 Answer
1






active

oldest

votes


















3














Assuming you get the duration in plain seconds or as positive integers suffixed by h, m and/or s, the following will calculate the duration as seconds (but will not verify that the provided arguments, sans suffix, are actually positive integers, nor is it very careful about making sure the suffixes are correctly specified):



to_seconds () 
seconds=0

for ts do
case $ts in
*h) seconds=$(( seconds + 60*60*"$ts%h" )) ;;
*m) seconds=$(( seconds + 60*"$ts%m" )) ;;
*) seconds=$(( seconds + "$ts%s" )) ;;
esac
done

printf '%sn' "$seconds"



The loop in the function will loop over the given arguments.



The $ts%h parameter substitution would delete a trailing h from the end of the $ts value, if there is one there.



If one used 5m 5m 5m as arguments, the number of seconds for 15 minutes would be computed.



You should be able to use this in your code, possibly not in this exact form (as a separate function) but as part of whatever code you are currently writing.



Testing:



$ to_seconds 5h 22m 44s
19364
$ to_seconds 5h 22m 44
19364
$ to_seconds 44
44
$ to_seconds 10
10
$ to_seconds 10m
600
$ to_seconds 10h
36000
$ to_seconds 2i
bash: seconds + 2i: value too great for base (error token is "2i")


To verify that a given number is an integer, see



  • Checking if an input number is an integer





share|improve this answer

























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    1 Answer
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    active

    oldest

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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3














    Assuming you get the duration in plain seconds or as positive integers suffixed by h, m and/or s, the following will calculate the duration as seconds (but will not verify that the provided arguments, sans suffix, are actually positive integers, nor is it very careful about making sure the suffixes are correctly specified):



    to_seconds () 
    seconds=0

    for ts do
    case $ts in
    *h) seconds=$(( seconds + 60*60*"$ts%h" )) ;;
    *m) seconds=$(( seconds + 60*"$ts%m" )) ;;
    *) seconds=$(( seconds + "$ts%s" )) ;;
    esac
    done

    printf '%sn' "$seconds"



    The loop in the function will loop over the given arguments.



    The $ts%h parameter substitution would delete a trailing h from the end of the $ts value, if there is one there.



    If one used 5m 5m 5m as arguments, the number of seconds for 15 minutes would be computed.



    You should be able to use this in your code, possibly not in this exact form (as a separate function) but as part of whatever code you are currently writing.



    Testing:



    $ to_seconds 5h 22m 44s
    19364
    $ to_seconds 5h 22m 44
    19364
    $ to_seconds 44
    44
    $ to_seconds 10
    10
    $ to_seconds 10m
    600
    $ to_seconds 10h
    36000
    $ to_seconds 2i
    bash: seconds + 2i: value too great for base (error token is "2i")


    To verify that a given number is an integer, see



    • Checking if an input number is an integer





    share|improve this answer





























      3














      Assuming you get the duration in plain seconds or as positive integers suffixed by h, m and/or s, the following will calculate the duration as seconds (but will not verify that the provided arguments, sans suffix, are actually positive integers, nor is it very careful about making sure the suffixes are correctly specified):



      to_seconds () 
      seconds=0

      for ts do
      case $ts in
      *h) seconds=$(( seconds + 60*60*"$ts%h" )) ;;
      *m) seconds=$(( seconds + 60*"$ts%m" )) ;;
      *) seconds=$(( seconds + "$ts%s" )) ;;
      esac
      done

      printf '%sn' "$seconds"



      The loop in the function will loop over the given arguments.



      The $ts%h parameter substitution would delete a trailing h from the end of the $ts value, if there is one there.



      If one used 5m 5m 5m as arguments, the number of seconds for 15 minutes would be computed.



      You should be able to use this in your code, possibly not in this exact form (as a separate function) but as part of whatever code you are currently writing.



      Testing:



      $ to_seconds 5h 22m 44s
      19364
      $ to_seconds 5h 22m 44
      19364
      $ to_seconds 44
      44
      $ to_seconds 10
      10
      $ to_seconds 10m
      600
      $ to_seconds 10h
      36000
      $ to_seconds 2i
      bash: seconds + 2i: value too great for base (error token is "2i")


      To verify that a given number is an integer, see



      • Checking if an input number is an integer





      share|improve this answer



























        3












        3








        3







        Assuming you get the duration in plain seconds or as positive integers suffixed by h, m and/or s, the following will calculate the duration as seconds (but will not verify that the provided arguments, sans suffix, are actually positive integers, nor is it very careful about making sure the suffixes are correctly specified):



        to_seconds () 
        seconds=0

        for ts do
        case $ts in
        *h) seconds=$(( seconds + 60*60*"$ts%h" )) ;;
        *m) seconds=$(( seconds + 60*"$ts%m" )) ;;
        *) seconds=$(( seconds + "$ts%s" )) ;;
        esac
        done

        printf '%sn' "$seconds"



        The loop in the function will loop over the given arguments.



        The $ts%h parameter substitution would delete a trailing h from the end of the $ts value, if there is one there.



        If one used 5m 5m 5m as arguments, the number of seconds for 15 minutes would be computed.



        You should be able to use this in your code, possibly not in this exact form (as a separate function) but as part of whatever code you are currently writing.



        Testing:



        $ to_seconds 5h 22m 44s
        19364
        $ to_seconds 5h 22m 44
        19364
        $ to_seconds 44
        44
        $ to_seconds 10
        10
        $ to_seconds 10m
        600
        $ to_seconds 10h
        36000
        $ to_seconds 2i
        bash: seconds + 2i: value too great for base (error token is "2i")


        To verify that a given number is an integer, see



        • Checking if an input number is an integer





        share|improve this answer















        Assuming you get the duration in plain seconds or as positive integers suffixed by h, m and/or s, the following will calculate the duration as seconds (but will not verify that the provided arguments, sans suffix, are actually positive integers, nor is it very careful about making sure the suffixes are correctly specified):



        to_seconds () 
        seconds=0

        for ts do
        case $ts in
        *h) seconds=$(( seconds + 60*60*"$ts%h" )) ;;
        *m) seconds=$(( seconds + 60*"$ts%m" )) ;;
        *) seconds=$(( seconds + "$ts%s" )) ;;
        esac
        done

        printf '%sn' "$seconds"



        The loop in the function will loop over the given arguments.



        The $ts%h parameter substitution would delete a trailing h from the end of the $ts value, if there is one there.



        If one used 5m 5m 5m as arguments, the number of seconds for 15 minutes would be computed.



        You should be able to use this in your code, possibly not in this exact form (as a separate function) but as part of whatever code you are currently writing.



        Testing:



        $ to_seconds 5h 22m 44s
        19364
        $ to_seconds 5h 22m 44
        19364
        $ to_seconds 44
        44
        $ to_seconds 10
        10
        $ to_seconds 10m
        600
        $ to_seconds 10h
        36000
        $ to_seconds 2i
        bash: seconds + 2i: value too great for base (error token is "2i")


        To verify that a given number is an integer, see



        • Checking if an input number is an integer






        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited 2 days ago

























        answered 2 days ago









        KusalanandaKusalananda

        139k17259430




        139k17259430



























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