Bash Recipes

Handle short and long command-line options, required arguments, and positional parameters in bash scripts using getopts and case statements.

Create a bash script that performs timestamped backups of files and directories with configurable retention and automatic rotation of old backups.

Implement robust error handling in bash scripts using set flags, trap for cleanup, error reporting with line numbers, and safe variable expansion.

Build a bash script that monitors service endpoints, checks response codes and latency, and sends alerts when services are down.

Build a log processing pipeline to extract, filter, aggregate, and summarize information from application and server logs.

Speed up batch operations by executing commands in parallel using xargs -P, GNU parallel, and background jobs with wait.

Create a reusable bash script template with strict error handling, argument parsing, logging, cleanup traps, and help text.

Build text processing pipelines to transform, extract, and aggregate data from CSVs, TSVs, and structured text files using standard Unix tools.