Shell Programming and Scripting

#!/usr/bin/env sh

# @(#) s1       Demonstrate awk CSV to fixed-field.

set -o nounset
echo

## Define function to list versions.

version()
{
  for command
  do
    if command -v $command >/dev/null 2>&1
    then
      command -p $command --version | head -1
    else
      echo " (Warning -- command \"$command\" not found in PATH.)" >&2
    fi
  done
  return 0
}

## List the version of each command we're using here.

version bash awk

FILE=${1-data1}

echo

# Process the file.  Remove blanks from printf to get fields next
# to each other:
# { printf("%-5s%-6s%-8s%-4s%-15s%-s7\n",$1,$2,$3,$4,$5,$6) }

awk -F, '
        { printf("%-5s %-6s %-8s %-4s %-15s %-s7\n",$1,$2,$3,$4,$5,$6) }
' $FILE

exit 0

% ./s1

GNU bash, version 2.05b.0(1)-release (i386-pc-linux-gnu)
GNU Awk 3.1.4

20045667886 tamrind user     india address1234     love7
20045667886 tamrind user     india address45       love7
20045667886 tamrind user     india address333333   love7