UNIX CODES

UNIX - FindDepartmentEmployeeCount

#!/bin/bash
#write your code here
if [ $# -ne 2 ]
then
echo "Pass appropriate number of command line arguments"
elif [ -d $1 ]
then
echo "Input file is not an ordinary file"

elif [ ! -f $1 ]
then
echo "Input file does not exists"
elif [ ! -r $1 ]
then
echo "Input file does not have read permission"
else
grep -i $2 $1 | wc -l
fi

UNIX - CountWords

#!/bin/bash

#write your code here

if [ $# -ne 2 ]

then

echo "Pass appropriate number of command line arguments"

elif [ -d $1 ]

then

echo "Input file is not an ordinary file"

elif [ ! -f $1 ]

then

echo "Input file does not exists"

elif [ ! -r $1 ]

then

echo "Input file does not have read permission"

else

grep -i $2 $1 | wc -l

fi

UNIX - COUNT EMPTY FILES

j=0
k=0
count=0
total=0
for i in $@
do
if [ -s $i ]
then
count=`wc -w $i|cut -d ' ' -f 1`
let total=$count+$total
let k=$k+1
else
let j=$j+1
fi
done
echo $

UNIX - STUDENTS RECORDS


UN IX-AVREAGE SALARY

sum=0

count=0

firstLine=0

found=0

if [ $# -ne 2 ] ; then

echo "Pass appropriate number of command line arguments"

elif [ -d $1 ]; then

echo "Input file is not an ordinary file"

elif [ ! -f $1 ] ; then

echo "Input file does not exist"

elif [ ! -r $1 ]; then

echo "Input file does not have read permission"

else

while read -r line; do

if [ $firstLine -eq 0 ] ; then

firstLine=1

else

while IFS=',' read -r a b c; do

if [ $b = $2 ] ; then

found=1

sum="$(($sum + $c))"

count="$(($count + 1))"

fi

done <<< "$line"

fi

done < "$1"

avg="$(($sum / $count))"

if [ $found -eq 0] ; then

echo "Given designation not found"

else

echo $avg

fi

fi