Need to pass variable in a command and assign value to a variable Post: 302999865

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Top Forums UNIX for Beginners Questions & Answers Need to pass variable in a command and assign value to a variable Post 302999865 by ektubbe on Thursday 29th of June 2017 02:41:04 AM

06-29-2017

Registered User

Apologies if I confused you, I tried executing command with set -vx option and it did not yield any result, I did not pass command line argument i.e. $1 as I tried in my previous post rather used something like

Code:

m_dump /wload/baot/home/baotasa0/UKRB_UKBE/sandboxes/EXTRACTS/UK/RB/UKBA/ukrb_ukba_pbe_acq/dml/ukrb_ukba_acnt_bde27_src.dml bdfo27m_a016_19122014_V1.dat | head -35

Now this command brings up a record having value which is below, I need to extract any random record and look for the date, once the date is received that needs to be displayed -

Code:

[record
  bdfo_len      73
  bdfo_key      "     200000016"
  bdfo_param_no "000"
  parm01        NULL
  parm02        NULL
  parm03        NULL
  parm04        NULL
  parm05        NULL
  parm06        NULL
  parm07        NULL
  parm08        NULL
  parm09        NULL
  parm13        NULL
  parm16        NULL
  parm017       NULL
  parm18        NULL
  parm93        NULL
  parm94        NULL
  parm96        NULL
  parm97        NULL
  parm83        NULL
  header        [record
                  bdfo_run_date     41991
                  bdfo_file_id      "GYFL3027"
                  bdfo_centre_id    "G"
                  bdfo_sbi_file_ind "YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY"]
  trailer       NULL
  data          NULL]

ektubbe

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LEARN ABOUT NETBSD

shift

shift(1)							   User Commands							  shift(1)

NAME

       shift - shell built-in function to traverse either a shell's argument list or a list of field-separated words

SYNOPSIS

   sh
       shift [n]

   csh
       shift [variable]

   ksh
       * shift [n]

DESCRIPTION

   sh
       The positional parameters from $n+1 ... are renamed $1 ... . If n is not given, it is assumed to be 1.

   csh
       The  components of argv, or variable, if supplied, are shifted to the left, discarding the first component. It is an error for the variable
       not to be set or to have a null value.

   ksh
       The positional parameters from $n+1 $n+1 ... are renamed $1 ..., default n is 1. The parameter n can  be  any  arithmetic  expression  that
       evaluates to a non-negative number less than or equal to $#.

       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,  following 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 word splitting and file name generation  are  not
	   performed.

ATTRIBUTES

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

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

SEE ALSO

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

SunOS 5.10							    15 Apr 1994 							  shift(1)

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