cli-sedHow do I use the sed command line in bash?
The sed
command line is a powerful tool for text manipulation in bash. It allows users to search, find, and replace text in files. To use sed
, the syntax is sed [options] 'command' file(s)
.
For example, to replace all occurrences of the word "dog" with "cat" in the file animals.txt
, the following command can be used:
sed 's/dog/cat/g' animals.txt
This command will output the contents of animals.txt
with all occurrences of "dog" replaced with "cat".
The command consists of the following parts:
sed
: the command itselfs/dog/cat/g
: the search and replace command, wheres
stands for substitute,dog
is the search pattern,cat
is the replacement string, andg
stands for global, meaning to replace all occurrencesanimals.txt
: the file to be modified
For more information on sed
and its options, see the GNU sed Manual.
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