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Full Discussion: Help with sleep command:
Top Forums Shell Programming and Scripting Help with sleep command: Post 302865345 by bakunin on Friday 18th of October 2013 07:56:33 AM
Old 10-18-2013
Quote:
Originally Posted by gnnsprapa
thanx bakunin...well yes u r the frnz i was referring earlier :-)..
Thank you, but probably i have to become more outspoken on this: we have a rule in place against using "leet speak" and the likes. If you expect me to put in the necessary effort to come up with a concise and correct answer i suppose i can expect you to put in the necessary effort not to save on a keystroke or two in return, yes? Please take into account that the people here are not freaks but hard working professionals. We maintain a professional tone here and expect others to do the same. Thank you for your consideration.

Quote:
Originally Posted by gnnsprapa
I need to add one more cond...i have one file i.e cdr_profile.txt...this file consisits of som hard coded values...now in my requirement after checkin lock i need to check if astro and ckm string is prenet in taht cdr_profile file..if it exists thn need to put sleep command untill lock file is there or sm other value comes other than ckm or astro..
If you have to check for more than one condition just add these in your loop:

Code:
typeset -i continue=1

print - "waiting for all conditions to become false...."
while [ $continue -gt 0 ] ; do
     sleep 1
     (( continue = 0 ))
     if [ <condition1> ] ; then
          (( continue = 1 ))
     fi
     if [ <condition2> ] ; then
          (( continue = 1 ))
     fi
     if [ <condition3> ] ; then
          (( continue = 1 ))
     fi
     [...]
done
print - "all conditions turned false ...."


In your case you can check the condition of a certain keyphrase being in a file or not using grep.

I hope this helps.

bakunin

/PS: I only now see that Scrutinizer already mentioned it - i can only second what he said.
 

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LEARN ABOUT MINIX

break

break(1)                                                           User Commands                                                          break(1)

NAME

       break, continue - shell built-in functions to escape from or advance within a controlling while, for, foreach, or until  loop

SYNOPSIS

   sh
       break [n]

       continue [n]

   csh
       break

       continue

   ksh
       *break [n]

       *continue [n]

DESCRIPTION

   sh
       The break utility exits from the enclosing for or while loop, if any. If n is specified, break n levels.

       The continue utility resumes the next iteration of the enclosing for or while loop. If n is specified, resume at the n-th enclosing loop.

   csh
       The  break  utility  resumes  execution after the end of the nearest enclosing foreach or while loop. The remaining commands on the current
       line are executed. This allows multilevel breaks to be written as a list of break commands, all on one line.

       The continue utility continues execution of the next iteration of the nearest enclosing while or foreach loop.

   ksh
       The break utility exits from the enclosed for, while, until, or select loop, if any. If n is specified,  then  break  n  levels.  If  n  is
       greater than the number of enclosing loops, the outermost enclosing loop shall be exited.

       The  continue utility resumes the next iteration of the enclosed for, while, until, or select loop. If n is specified then resume at the n-
       th enclosed loop. If n is greater than the number of enclosing loops, the outermost enclosing loop shall be used.

       On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:

       1.  Variable assignment lists preceding the command remain in effect when the command completes.

       2.  I/O redirections are processed after variable assignments.

       3.  Errors cause a script that contains them to abort.

       4.  Words that follow a command preceded by ** that are in the format of a variable assignment are expanded with the same rules as a  vari-
           able  assignment.  This means that tilde substitution is performed after the = sign, and also that word splitting and file name genera-
           tion are not performed.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), exit(1), ksh(1), sh( 1), attributes(5)

SunOS 5.10                                                          17 Jul 2002                                                           break(1)
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