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Full Discussion: Awk variables not printing to StdOutput
Top Forums Shell Programming and Scripting Awk variables not printing to StdOutput Post 302576540 by jjb1989 on Friday 25th of November 2011 07:04:00 AM
Old 11-25-2011
Awk variables not printing to StdOutput
Hi guys, I'd be grateful if you could have a look at my code below and give me some feedback as to why the homedir and fullname variables aren't being printed to Standard Output when the script is run. Many thanks.

Code:
read -p "Please type in username you wish to get information from: " username

username="$1"

if grep "$username" information_file
then
   # use awk with -v option to pass in shell variable username to awk. Check if first field $1 is equal to username
   fullname=$(awk -v username="$username" 'BEGIN{FS=":"} $1==username {print $5}' /etc/passwd)

   homedir=$(awk -v username="$username" 'BEGIN{FS=":"} $1==username{print $6}' /etc/passwd)

   # pass the variables to awk. "found" is a toggle flag to signify if user is found. If it is 0, means not found
   awk -v username="$username"  -v homedir="$homedir" -v fullname="$fullname" 'BEGIN{FS=":"; found=0}$1==username
   {
        print "Full name: " fullname
        print "Address: " $2
        print "E-mail address: " $3
        print "Home Directory: " homedir
        print "Manager name: " $5
        found=1
   }' information_file


else
  echo "$username not found in Information File. Exiting.."
  exit 0
fi

 

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LEARN ABOUT OSX

dsenableroot

dsenableroot(8) 					    BSD System Manager's Manual 					   dsenableroot(8)

NAME

     dsenableroot -- enables or disables the root account.

SYNOPSIS

     dsenableroot [-d] [-u username] [-p password] [-r rootPassword]

DESCRIPTION

     dsenableroot sets the password for the root account if enabling the root user account.  Otherwise, if disable [-d] is chosen, the root
     account passwords are removed and the root user is disabled.

     A list of flags and their descriptions:

     -u username
	      Username of a user that has administrative privileges on this computer.

     -p password
	      Password to use in conjunction with the specified username.  If this is not specified, you will be prompted for entry.

     -r rootPassword
	      Password to be used for the root account.  If this is not specified for enabling, you will be prompted for entry.

EXAMPLES

     -dsenableroot
	      Your username will be used and you will be queried for both your password and the new root password to be set to enable the root
	      account.

     -dsenableroot -d
	      Your username will be used and you will be queried for only your password to disable the root account.

     -dsenableroot -u username -p userpassword -r rootpassword
	      The supplied arguments will be used to enable the root account.

     -dsenableroot -d -u username -p userpassword
	      The supplied arguments will be used to disable the root account.

Mac OS								  August 08 2003							    Mac OS
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