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Full Discussion: line count with if /else - syntax errors
Top Forums Shell Programming and Scripting line count with if /else - syntax errors Post 302470228 by Franklin52 on Tuesday 9th of November 2010 01:40:37 PM
Old 11-09-2010
Quote:
Originally Posted by kwalkner
this is the script:
Code:
ps -ef|grep "x_jobstat 10 v001" > jobstatv001.txt
ps -ef |grep "x_jobserver 10 v001" >> jobstatv001.txt
#Sample text - each line preceded by 4 spaces
#    root 133064 102986   0 08:49:28  pts/6  0:00 grep x_jobstat 10 v001
#    root 137550      1   0   Nov 08      -  0:28 x_jobstat 10 v001
#    root  82522      1   0   Nov 08      -  0:59 x_jobserver 10 v001
#    root 159334 102986   0 08:51:12  pts/6  0:00 grep x_jobserver 10 v001
# count lines
pg /jobstatv001.txt|awk '
/^ / {
   ++linenum
}'
if (linenum = 4)
 exit 1
else if (linenum = 0)
 cp /Medic/db/v001/jobserver.log /Medic/db/v001/jobserver001.log
 startjs v001
fi

this is what I get:
Code:
jschk.sh[17]: syntax error at line 19 : `else' unexpected

The file jobstatv001.txt is created.

I have also tried just a plain "if/else/fi" but still get the syntax error.
Using IBM AIX.
Another way to do the job:
Code:
linenum=$(ps -ef | awk '/x_jobstat 10 v001/ || /x_jobserver 10 v001/{n++}END{print n}')

if [ "$linenum" -eq 4 ]
then
  exit 1
elif [ "$linenum" -eq 0 ]
then
  cp /Medic/db/v001/jobserver.log /Medic/db/v001/jobserver001.log
  startjs v001
fi

This User Gave Thanks to Franklin52 For This Post:
kwalkner
 

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LEARN ABOUT ULTRIX

ldlinit

ldlread(3x)															       ldlread(3x)

Name
       ldlread, ldlinit, ldlitem - manipulate line number entries of a common object file function

Syntax
       #include <stdio.h>
       #include <filehdr.h>
       #include <syms.h>
       #include <ldfcn.h>

       int ldlread (ldptr, fcnindx, linenum, linent)
       LDFILE *ldptr;
       long fcnindx;
       unsigned short linenum;
       LINER linent;

       int ldlinit (ldptr, fcnindx)
       LDFILE *ldptr;
       long fcnindx;

       int ldlitem (ldptr, linenum, linent)
       LDFILE *ldptr;
       unsigned short linenum;
       LINER linent;

Description
       The  function  searches	the line number entries of the common object file currently associated with ldptr.  The function begins its search
       with the line number entry for the beginning of a function and confines its search to the line numbers associated with a  single  function.
       The  function  is identified by fcnindx, which is the index of its local symbols entry in the object file symbol table.	The function reads
       the entry with the smallest line number equal to or greater than linenum into linent.

       The and functions provide the same behavior as After an initial call to or can be used to retrieve a series of line number entries  associ-
       ated with a single function.  The function simply finds the line number entries for the function identified by fcnindx.	The function finds
       and reads the entry with the smallest line number equal to or greater than linenum into linent.

       The functions and each return either success or failure.  The function fails if one of the following occurs:

       o    If line number entries do not exist in the object file.

       o    If fcnindx does not index a function entry in the symbol table.

       o    If it does not find a line number equal to or greater than linenum.

       The fails if it does not find a line number equal to or greater than linenum.

See Also
       ldclose(3x), ldopen(3x), ldtbindex(3x), ldfcn(5)

								       RISC							       ldlread(3x)
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