Page 8 - Bash

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Bash as Glue Code Between PHP, SQL, Docker and Git

Maxim Mironjuk - September 25, 2025

No single tool masters every aspect of a modern deployment stack. Bash as glue code connects PHP scripts, SQL dump workflows, Docker build chains and Git hooks into one coherent automation system, with robust exit code handling, targeted data forwarding and clear error escalation that surfaces problems early.

Bash

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Bash declare Flags Explained: -i, -x, -A, -n in Detail

Maxim Mironjuk - September 25, 2025

declare in Bash is far more than a visible declaration. Every flag, whether integer enforcement, export, associative array, name reference, or readonly, changes how a variable actually behaves on every assignment, with pitfalls that only surface during real script runs.

SQL Bash

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Build Simple ETL Pipelines in Bash

Maxim Mironjuk - September 21, 2025

Not every data integration needs Airflow, Dagster, or a distributed orchestration system. An ETL pipeline in Bash with clearly separated Extract, Transform, and Load stages, checkpointing, and idempotent runs handles a large share of daily data flows between systems reliably and without additional infrastructure.

Magento Bash

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Magento Maintenance Scripts in Bash: Deploy, Backup, Cache and Logs

Maxim Mironjuk - September 07, 2025

Magento maintenance scripts in Bash make the difference between manual deploy chaos and reliable automation. The right sequence of bin/magento commands, rsync backups, cache flushing and log rotation prevents the errors that creep in when deploy steps are run manually in the wrong order.

Bash

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Renaming, Moving, Sorting and Cleaning Up Files in Bash

Maxim Mironjuk - September 03, 2025

File management tasks are part of everyday automation: sorting hundreds of log files by date, renaming export files to match a naming convention, cleaning up temporary build artifacts. With the right mv patterns, rename for bulk renaming and find for sorting and filtering, these tasks can be solved safely, traceably and reversibly.

Bash

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File Sizes, Checksums and Integrity: Automated Verification

Maxim Mironjuk - August 23, 2025

File integrity is not a one time check at deployment, it needs to be monitored continuously and automatically. With checksums, find size filters and clever duplicate detection, you can reliably catch tampering, transfer errors and unwanted file changes in Bash before they cause damage in production.

Bash Linux

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Automating tar and gzip in Bash Scripts: Robust Backups with Incremental Runs

Maxim Mironjuk - August 23, 2025

A backup script that works fine most of the time but leaves an incomplete archive behind when disk space runs out, one that nobody recognizes as broken, is worse than no backup at all, because it creates false confidence. Robust tar and gzip automation means handling failure cases just as carefully as the success case.

Bash

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Building Progress Bars in Bash From Scratch

Maxim Mironjuk - August 22, 2025

A progress bar makes a long batch script visible instead of feeling frozen. This article shows how a progress bar emerges with pure Bash, from a simple percent display through carriage return and ANSI colors to dynamic terminal width and ETA estimation, with no extra package at all.

Bash Testing/E2E

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Unit Tests for Bash Functions: Writing and Structuring Them

Maxim Mironjuk - August 21, 2025

Anyone who writes Bash scripts as a monolithic block can hardly test them in any meaningful way. Only splitting the script into pure, isolated functions makes unit tests for Bash possible in the first place, and with bats-core you can check return values, stdout and error paths just as structured as in any other programming language.

Bash Testing/E2E

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shUnit2 vs. bats: Which Test Framework Fits Which Bash Project

Maxim Mironjuk - August 16, 2025

shUnit2 brings the classic xUnit style with assertEquals and setUp/tearDown into the Bash world, bats-core instead describes tests as readable @test blocks in a BDD style. Both frameworks solve the same underlying problem, but with different syntax, different CI integration, and different strengths depending on project size.