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Full Discussion: For loop error
Top Forums UNIX for Beginners Questions & Answers For loop error Post 303043809 by ratheeshp123 on Friday 7th of February 2020 07:57:38 AM
Old 02-07-2020
For loop error
Hi,

I am new to shell scripting and trying three for loops to filter the data. So my data is like

INPUT
cat /tmp/filename.txt

name service machine number of service
sh1 service1 machine1 3
sh3 proces2 machine5 5
sh16 service15 machine24 1
sh1 service1 machine4 3
sh16 service15 machine1 1
sh1 service15 machine2 1

and I want to get it to print as

OUTPUT

service1 | service16
name 1-2-3-4-5-6 | 1-2-3-4-5-6
----------------------------------------
sh1 0-0-2-0-0-0 , 1-0-0-0-0-0
sh16 0-0-0-0-0-0, 2-0-0-0-0-0

for this I wrote a script like

Code:
cat /tmp/filename.txt | awk '{print $1}' | sort | uniq > /tmp/uniqlist.txt
for i in `cat /tmp/uniqlist.txt`

do
for j in "service1" "service15"
do
for k in {1..6}
do
test_[$i]_[$j]_[$k] =cat /tmp/filename.txt | grep $i | grep $j | grep $k | wc -l
echo test_[$i]_[$j]_[$k] >> /tmp/output.txt
done
done
done

It's printing the value on screen but saying test_[sh1]_[service1]_[1]=0 : command not found and the outfile is totally empty.
Last edited by hicksd8; 02-07-2020 at 11:52 AM..
 

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LEARN ABOUT ULTRIX

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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