bash sed command manual

How to use sed in bash scripting?
How Is sed Used in the Bash Script? In the Bash script, the sed command has three primary uses – printing to stdout, deleting a text, and replacing a specific string.
The program determines which line it will process from the specified address range.
What does \1 mean in sed?
Using \\1 to keep part of the pattern
You can use this to exclude part of the characters matched by the regular expression.
The "\\1" is the first remembered pattern, and the "\\2" is the second remembered pattern.
Sed has up to nine remembered patterns._{25 juil. 2023}
How do I run a sed command?
You can invoke sed in three ways: by typing the commands on the command line; by inserting sed commands in a script file then calling sed; or by inserting sed commands in a script file and making the script executable.
The sed command modifies lines from the specified File parameter according to an edit script and writes them to standard output.
The sed command includes many features for selecting lines to be modified and making changes only to the selected lines.

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PDF	GNU sed, a stream editor - GNUorg 3 jan 2017 · terms of the GNU Free Documentation License, Version 1 3 or any later version published by Details of sed scripts and individual sed commands This command allows one to pipe input from a shell command into pattern

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Grep, awk and sed – three VERY useful command-line utilities Matt

In the simplest terms, grep (global regular expression print) will search input files the input file, it sees if there are any pattern-matching instructions, in which case it sed can be used at the command-line, or within a shell script, to edit a file

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