Unable to take user input command in pssh command












0















I am trying to get the OS command from user input and export and use in function, like below



export command5=date
export command4=uname



Its working in below command



pssh -h /tmp/cus6 -i "$command5;$command4"
[1] 04:17:06 [SUCCESS] Server1
Mon Jan 28 03:17:06 UTC 2019
Linux
[2] 04:17:06 [SUCCESS] Server2
Mon Jan 28 03:17:06 UTC 2019
Linux



But didn't work when trying to keep commands in one line
pssh -h /tmp/cus6 -i 'echo $(echo ), $(command5), $(command4)'
[1] 04:26:45 [SUCCESS] Server1
, ,
Stderr: bash: command5: command not found
bash: command4: command not found
[2] 04:26:45 [SUCCESS] Server2
, ,
Stderr: bash: command5: command not found
bash: command4: command not found



But same is working in keeping commands instead of command5 & command4



pssh -h /tmp/cus6 -i 'echo $(echo ), $(date), $(uname)'
[1] 04:30:01 [SUCCESS] Server1
, Mon Jan 28 03:30:01 UTC 2019, Linux
[2] 04:30:01 [SUCCESS] Server2
, Mon Jan 28 03:30:01 UTC 2019, Linux









share







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    0















    I am trying to get the OS command from user input and export and use in function, like below



    export command5=date
    export command4=uname



    Its working in below command



    pssh -h /tmp/cus6 -i "$command5;$command4"
    [1] 04:17:06 [SUCCESS] Server1
    Mon Jan 28 03:17:06 UTC 2019
    Linux
    [2] 04:17:06 [SUCCESS] Server2
    Mon Jan 28 03:17:06 UTC 2019
    Linux



    But didn't work when trying to keep commands in one line
    pssh -h /tmp/cus6 -i 'echo $(echo ), $(command5), $(command4)'
    [1] 04:26:45 [SUCCESS] Server1
    , ,
    Stderr: bash: command5: command not found
    bash: command4: command not found
    [2] 04:26:45 [SUCCESS] Server2
    , ,
    Stderr: bash: command5: command not found
    bash: command4: command not found



    But same is working in keeping commands instead of command5 & command4



    pssh -h /tmp/cus6 -i 'echo $(echo ), $(date), $(uname)'
    [1] 04:30:01 [SUCCESS] Server1
    , Mon Jan 28 03:30:01 UTC 2019, Linux
    [2] 04:30:01 [SUCCESS] Server2
    , Mon Jan 28 03:30:01 UTC 2019, Linux









    share







    New contributor




    Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0








      I am trying to get the OS command from user input and export and use in function, like below



      export command5=date
      export command4=uname



      Its working in below command



      pssh -h /tmp/cus6 -i "$command5;$command4"
      [1] 04:17:06 [SUCCESS] Server1
      Mon Jan 28 03:17:06 UTC 2019
      Linux
      [2] 04:17:06 [SUCCESS] Server2
      Mon Jan 28 03:17:06 UTC 2019
      Linux



      But didn't work when trying to keep commands in one line
      pssh -h /tmp/cus6 -i 'echo $(echo ), $(command5), $(command4)'
      [1] 04:26:45 [SUCCESS] Server1
      , ,
      Stderr: bash: command5: command not found
      bash: command4: command not found
      [2] 04:26:45 [SUCCESS] Server2
      , ,
      Stderr: bash: command5: command not found
      bash: command4: command not found



      But same is working in keeping commands instead of command5 & command4



      pssh -h /tmp/cus6 -i 'echo $(echo ), $(date), $(uname)'
      [1] 04:30:01 [SUCCESS] Server1
      , Mon Jan 28 03:30:01 UTC 2019, Linux
      [2] 04:30:01 [SUCCESS] Server2
      , Mon Jan 28 03:30:01 UTC 2019, Linux









      share







      New contributor




      Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I am trying to get the OS command from user input and export and use in function, like below



      export command5=date
      export command4=uname



      Its working in below command



      pssh -h /tmp/cus6 -i "$command5;$command4"
      [1] 04:17:06 [SUCCESS] Server1
      Mon Jan 28 03:17:06 UTC 2019
      Linux
      [2] 04:17:06 [SUCCESS] Server2
      Mon Jan 28 03:17:06 UTC 2019
      Linux



      But didn't work when trying to keep commands in one line
      pssh -h /tmp/cus6 -i 'echo $(echo ), $(command5), $(command4)'
      [1] 04:26:45 [SUCCESS] Server1
      , ,
      Stderr: bash: command5: command not found
      bash: command4: command not found
      [2] 04:26:45 [SUCCESS] Server2
      , ,
      Stderr: bash: command5: command not found
      bash: command4: command not found



      But same is working in keeping commands instead of command5 & command4



      pssh -h /tmp/cus6 -i 'echo $(echo ), $(date), $(uname)'
      [1] 04:30:01 [SUCCESS] Server1
      , Mon Jan 28 03:30:01 UTC 2019, Linux
      [2] 04:30:01 [SUCCESS] Server2
      , Mon Jan 28 03:30:01 UTC 2019, Linux







      bash





      share







      New contributor




      Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






      New contributor




      Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 8 mins ago









      Sin15Sin15

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      New contributor




      Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      New contributor





      Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Sin15 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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