cli-sedHow can I use the 'sed' command line utility to group text?
The 'sed' command line utility is a powerful tool for manipulating text. It can be used to group text in several ways.
For example, to group lines of text by a specific character, you can use the sed
command with the -n
option and a regular expression. The following example code will group lines of text by the |
character:
sed -n 's/^\(.*\)|\(.*\)$/\1\n\2/p'
This example code will take the following input:
this|that
these|those
And produce the following output:
this
that
these
those
You can also use sed
to group text by words. This can be done by using the -r
option and a regular expression. The following example code will group lines of text by the word foo
:
sed -r 's/^(.*)foo(.*)$/\1\nfoo\n\2/g'
This example code will take the following input:
foo bar
foo baz
And produce the following output:
foo
bar
foo
baz
Parts of the code:
sed
: the command line utility-n
: the option used to group lines of text by a specific character-r
: the option used to group lines of text by wordss/^\(.*\)|\(.*\)$/\1\n\2/p
: the regular expression used to group lines of text by the|
characters/^(.*)foo(.*)$/\1\nfoo\n\2/g
: the regular expression used to group lines of text by the wordfoo
Helpful links
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See more codes...