Open Git Repository:
git remote get-url origin | xargs open
The command retrieves the URL of the "origin" remote repository and opens it in the default web browser. This is useful when you want to quickly visit the remote repository's webpage without having to manually copy and paste the URL into the browser.
Kill Process by Port:
# lsof -i tcp:8080 | awk 'FNR == 2{print $2}' | xargs kill -9
function killByPort {
local port=$1
echo "killing port ${port}"
lsof -i tcp:${port} | awk 'FNR == 2{print $2}' | xargs kill -9
echo "done . . . "
}
killByPort $1
## use : sh killByPort.sh {port}
# port -> 2020, 8000
The provided script is a Bash shell script designed to kill a process running on a specified port number.
Backup Script:
#!/bin/bash
function backup {
local backup_dir="$1"
local source_dir="$2"
# Check if source directory/file exists
if [ ! -e "$source_dir" ]; then
echo "Error: Source directory/file '$source_dir' not found."
exit 1
fi
# Create backup directory if it doesn't exist
if [ ! -d "$backup_dir" ]; then
mkdir -p "$backup_dir"
fi
local timestamp=$(date +%Y%m%d%H%M%S)
local backup_filename="backup_$timestamp.tar.gz"
tar -czf "$backup_dir/$backup_filename" "$source_dir"
echo "Backup created: $backup_filename"
}
# Usage: backup <backup_directory> <source_file_or_directory>
backup "./backup" "./example.txt"
This script can be used to create a backup of specified files or directories.
Disk Space Checker:
#!/bin/bash
function disk_space {
local partition=$1
local disk_space=$(df -h $partition | awk 'NR==2 {print $4}')
echo "Available disk space on $partition: $disk_space"
}
disk_space /
This script checks the available disk space on the system.
File Cleanup Script:
#!/bin/bash
function clean_old_files {
local directory=$1
local days_old=$2
find "$directory" -type f -mtime +$days_old -exec rm {} \;
echo "Old files deleted."
}
clean_old_files "/home/username/Downloads" 30
This script deletes files older than a specified number of days in a directory.
Find and Replace in Files:
function search_and_replace {
local search_string="$1"
local replace_string="$2"
local directory="$3"
grep -rl "$search_string" "$directory" | xargs sed -i "s/$search_string/$replace_string/g"
echo "String '$search_string' replaced with '$replace_string' in files under '$directory'."
}
The script you provided defines a Bash function search_and_replace that takes three arguments: search_string, replace_string, and directory. It searches for files containing the search_string in the specified directory and replaces all occurrences of search_string with replace_string in those files using sed -i
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