Web Reference: Master the art of the bash substitute with our concise guide. Discover efficient techniques to streamline your command-line tasks effortlessly. To replace the first occurrence of a pattern with a given string, use ${parameter / pattern / string}: To replace all occurrences, use ${parameter // pattern / string}: (This is documented in the Bash Reference Manual, §3.5.3 "Shell Parameter Expansion".) Explore the powerful features of Bash scripting with command substitution and pipelines. This tutorial covers how to effectively use command substitution to replace script commands with their output, and pipelines to link commands sequentially.
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