#!/bin/bash

# Simple script file
# this script can be invoked as
#         $ sh scriptfilename
# Prabu, 6/12/04

# -F: => field delimiter is ':'
# 'pattern {action}' => for each line of input file contains the pattern
#                         perform the action
# '{action}' => for each line of input file, perform the action

echo  
echo  ==== programmer file =====
cat programmer

echo  
echo ==== project file =====
cat project

echo  
echo ==== output of the first awk command ====
awk -F: '{printf "%d %-12.12s %-10.10s\n", $1, $2,$3}' programmer

# output the 2nd field  
# -f1 => output the 1st field (leftmost field)
# -d: => delimiter is ':'
cut -f2 -d: programmer > temp1
echo  
echo ==== output of the first cut command ====
cat temp1

cut -f5 -d: programmer > temp2
echo  
echo ==== output of the second cut command ====
cat temp2


# paste both files side by side
echo  
echo ==== output of the paste command ====
paste temp1 temp2

# The above three commands can be performed by the following single awk command
#  -F: => field delimiter is ':'
#  %-10.10s => format specifier for a string value
#                -10  => left justifiedin ten column width for output
#		 .10  => maximum ten column width for output
#  $7.0f => format specifier for a floating point value
#            7.0 => Max seven column width with zero decimal precision

echo  
echo ==== output of the last awk command ====
awk -F: '{printf "%-10.10s  %7.0f\n", $2,$5}' programmer