We want a Bash script which will take a list of usernames on the command line and print out which of those users is currently logged on, in alphabetical order, on one line. For each of the following scripts, indicate whether it works. If it does not, mark the needed changes. Script A |Works as is. |Needs fixing. for name in $e do who I grep -w ""$name" | sed -e 's/ .//' done | sort -u I tr '\n' echo Script B | Works as is. ]Needs fixing. search='('$( echo $# I sed 's/ /1/g' )')' who I grep -E "$search" I awk '{print $1}' I sort I tr '\n'' echo Script C |Works as is. ]Needs fixing. Script D |Works as is. ]Needs fixing. for name in $0 for name in $# do do users I grep -q ""$name" if (( $? = 0 )) ; then echo $name who I sed -n "/$name /s/ ./p" done | sort -u | tr '\n' » echo fi done | sort I uniq I tr '\n'? echo
We want a Bash script which will take a list of usernames on the command line and print out which of those users is currently logged on, in alphabetical order, on one line. For each of the following scripts, indicate whether it works. If it does not, mark the needed changes. Script A |Works as is. |Needs fixing. for name in $e do who I grep -w ""$name" | sed -e 's/ .//' done | sort -u I tr '\n' echo Script B | Works as is. ]Needs fixing. search='('$( echo $# I sed 's/ /1/g' )')' who I grep -E "$search" I awk '{print $1}' I sort I tr '\n'' echo Script C |Works as is. ]Needs fixing. Script D |Works as is. ]Needs fixing. for name in $0 for name in $# do do users I grep -q ""$name" if (( $? = 0 )) ; then echo $name who I sed -n "/$name /s/ ./p" done | sort -u | tr '\n' » echo fi done | sort I uniq I tr '\n'? echo
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Give me all parts please. It's urgent
![We want a Bash script which will take a list of usernames on the command line
and print out which of those users is currently logged on, in alphabetical order, on one line.
For each of the following scripts, indicate whether it works. If it does not, mark the needed
changes.
Script A
Works as is.
]Needs fixing.
for name in $0
do
who I grep -w ""$name" | sed -e 's/ .*//
done | sort -u I tr '\n'
echo
Script B
|Works as is.
| Needs fixing.
search=' ('$( echo $# | sed 's/ /1/g' )')'
who I grep -E ""$search" | awk '{print $1}' I sort I tr '\n'
echo
Script C
Works as is.
]Needs fixing.
Script D
Works as is.
]Needs fixing.
for name in $e
for name in $#
do
do
who I sed -n "/"$name /s/ ./p"
done | sort -u | tr '\n'
users I grep -q "*$name"
if (( $? == 0 )) ; then
echo $name
echo
fi
done | sort I uniq I tr \n'
echo](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3148f50b-bd35-4c06-b6fb-24658ac793e1%2Fbf673140-6f29-42c9-ad97-8588443abb23%2Fe2vv5ip_processed.jpeg&w=3840&q=75)
Transcribed Image Text:We want a Bash script which will take a list of usernames on the command line
and print out which of those users is currently logged on, in alphabetical order, on one line.
For each of the following scripts, indicate whether it works. If it does not, mark the needed
changes.
Script A
Works as is.
]Needs fixing.
for name in $0
do
who I grep -w ""$name" | sed -e 's/ .*//
done | sort -u I tr '\n'
echo
Script B
|Works as is.
| Needs fixing.
search=' ('$( echo $# | sed 's/ /1/g' )')'
who I grep -E ""$search" | awk '{print $1}' I sort I tr '\n'
echo
Script C
Works as is.
]Needs fixing.
Script D
Works as is.
]Needs fixing.
for name in $e
for name in $#
do
do
who I sed -n "/"$name /s/ ./p"
done | sort -u | tr '\n'
users I grep -q "*$name"
if (( $? == 0 )) ; then
echo $name
echo
fi
done | sort I uniq I tr \n'
echo
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