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Proiect SO - bash script

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Proiect realizat pentru seminar - scurt program care foloseste o parte din comenzile de bash script predate in cadrul cursului. Proiectul are si comentarii adaugate la fiecare linie de cod

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#!/bin/bash

#Realizam o functie care asteapta apasarea tastei "Enter"
function pause(){
read -p "$*"
}

#Daca nu exista directorul proiect.grupa4.1027, il vom crea
if [ ! -d proiect.grupa4.1027 ]
then
mkdir proiect.grupa4.1027
fi

#schimbam directorul curent in directorul nou creat
cd proiect.grupa4.1027

#Listam continutul directorului /bin in fisierul text so.txt
ls -al /bin > so.txt

#Cautam si inclocuim toate liniile toate aparitiile "root root" cu textul "system
admin"
sed 's/root root/system admin/g' so.txt > so1.txt

#Copiem primele 26 de linii si ultimele 4 linii din fisierul s01.txt in fisierul
so2.txt
head -n 26 so1.txt > so2.txt
tail -n 4 so1.txt >> so2.txt

#Pastreaza doar numele de fisiere care incep cu litera "b", le sorteaza crescator
dupa dimensiune, si redirecteaza rezultatul in fisierul so3.txt
grep b.* so2.txt | sort -n -k 5 > so3.txt

#Afisam rezultatul final
cat so3.txt

echo ''
echo ''
echo "Fisierele cu rezultatele intermediare si finale sunt in folderul
'proiect.grupa4' si vor fi sterse dupa ce apasati tasta Enter"

#Chemam functia de pauza
pause 'Press [ENTER] key to continue...'

#Folosim globbing pentru a sterge toate fisierele create de noi
rm so*.txt

#Revenim in directorul parinte
cd ..

#Stergem directorul "proiect.grupa4.1027" doar daca a fost golit de comanda "rm"
rmdir proiect.grupa4.1027

Document information

Uploaded on
March 26, 2021
Number of pages
1
Written in
2019/2020
Type
Case
Professor(s)
Clim (seminar)
Grade
A
$8.49

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