[ Shell Script ] Shell Script Basic Command

README.md

How to run on windows

Install git bash

open git bash and run file

example

sh file_name.sh

add_two_integer.sh

#!/bin/bash
# Calculate the sum of two integers with pre initialize values
# in a shell script
 
a=10
b=20
 
sum=$(( $a + $b ))
 
echo $sum

add_two_numbers.sh

#!/bin/bash (adding two number)

echo -n "Enter the first number : "
read num1
echo -n "Enter the second number : "
read num2
sum=`expr $num1 + $num2`
echo "sum of two value is $sum"

backup.sh

SOURCE="/Users/anmol/Desktop/folder"
DESTINATION="/Users/anmol/Desktop/folder"

cp -r "$SOURCE/folder_name/"* "$DESTINATION/folder_name/"

deployall.sh

#!/bin/bash

FARMTECH_DIR='./farmtech'
REACTJA_BASICS_DIR='../reactjs_basics'
RJ_ZARVES_DIR='../rj_zarves'


##run farmtech application
cd ${FARMTECH_DIR}
rm debug.out
npm start > debug.out &

##run reactjs_basics application
cd ${REACTJA_BASICS_DIR}
rm debug.out
npm start > debug.out &


#run rj_zarves application
cd ${RJ_ZARVES_DIR}
rm debug.out
npm start > debug.out &

execute_terminal_command.sh

# close port with shell script


# For single port

gnome-terminal -e 'sh -c "sudo kill $(sudo lsof -t -i:3000); sleep 10; exec bash"'



# For multiple port

gnome-terminal -e 'sh -c "sudo kill $(sudo lsof -t -i:3001); sudo kill $(sudo lsof -t -i:3002); sleep 10; exec bash"'

input_number_in_next_line.sh

  
echo "addition of two number"

echo "enter a number"
read a
echo "enter a number"
read b

echo "additon is: "
c=`expr $a + $b`

echo $c

MongoBackup.sh

#!/bin/sh
# Database Name to backup
MONGO_DATABASE="dbname"
# Database host name
MONGO_HOST="127.0.0.1"
# Database port
MONGO_PORT="27017"
# Backup directory
BACKUPS_DIR="/Users/deepak/Desktop/BackupFile/$MONGO_DATABASE"
# Database user name
DBUSERNAME="username"
# Database password
DBPASSWORD="password"
# Authentication database name
DBAUTHDB="admin"
# Days to keep the backup
DAYSTORETAINBACKUP="1"
#=====================================================================

TIMESTAMP=`date +%F-%H%M`
BACKUP_NAME="$MONGO_DATABASE-$TIMESTAMP"

echo "Performing backup of $MONGO_DATABASE"
echo "--------------------------------------------"
# Create backup directory
if ! mkdir -p $BACKUPS_DIR; then
  echo "Can't create backup directory in $BACKUPS_DIR. Go and fix it!" 1>&2
  exit 1;
fi;
# Create dump
mongodump -d $MONGO_DATABASE --username $DBUSERNAME --password $DBPASSWORD --authenticationDatabase $DBAUTHDB
# Rename dump directory to backup name
mv dump $BACKUP_NAME
# Compress backup
tar -zcvf $BACKUPS_DIR/$BACKUP_NAME.tgz $BACKUP_NAME
# Delete uncompressed backup
rm -rf $BACKUP_NAME
# Delete backups older than retention period
find $BACKUPS_DIR -type f -mtime +$DAYSTORETAINBACKUP -exec rm {} +
echo "--------------------------------------------"
echo "Database backup complete!"

open_multi_sites_with_firefox.sh

#!/bin/bash
firefox https://github.com/anmolsukki/ https://youtube.com
echo $n
sleep $n
killall firefox
echo "all done!"

open_new_terminal.sh

# open new terminal


gnome-terminal command

gnome-terminal command

gnome-terminal command

react_app_run.sh

# run react project with shell script


DIZIO_DIR='./rj_theme'

#run dizio main api server

npm start

react_app_specific_location_run.sh

# run react project with shell script in specific location project


DIZIO='./ReactJs/rj_theme'

#run dizio main api server
cd ${DIZIO}
sudo npm start

text_print.sh

# print text

echo "This script is about to print some text."

echo "Visit my github profile."

echo "Is It helpful?."