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bash

Bash shell usage patterns and script integration for JSON formatting.

ProgrammingCheck if a String Contains a Substring in Bash - Quick Guide

Fast, idiomatic ways to check if a string contains a substring in Bash. Use [[ *substring* ]], case, or =~ for regex. Also covers quoting and portability.

1 answer• 6 views
ProgrammingJSON pretty-print in Shell Scripts - jq, python, php

Pretty-print JSON in shell scripts using jq, Python's json.tool, php or json_pp. One-line examples for bash, curl, NDJSON and safe in-place file updates.

1 answer• 5 views
OSmkdir -p: Create Directory & Parent Directories

Learn mkdir -p equivalents to create a directory and missing parent directories in Linux/macOS, Python (os.makedirs), PowerShell (New-Item), Node.js, Java. Avoid race conditions with exist_ok=True.

1 answer• 4 views
OSFix Chroot Ubuntu 'No Files Below /bin/bash' Error

Learn why sudo chroot /mnt /bin/bash fails on Ubuntu with 'no files below /bin/bash' error. Fix by bind mounting /dev, /proc, /sys, /run, checking libraries with ldd, and copying resolv.conf. Step-by-step guide for chroot Ubuntu setups.

1 answer• 1 view
OSFix VSCode terminal: fully clear scrollback with cls/clear

Resolve VSCode's cls/clear not removing scrollback. Step‑by‑step fixes for PowerShell, Bash and an extension to fully clear the integrated terminal history.

1 answer• 1 view