Join lines

perl -pe 'eof()||s/\n/<SOMETEXT>/g' file.txt
This command turns a multi-line file into a single line joined with <SOMETEXT>. To skip blank lines, use: perl -pe '(eof()||s/^\s*$//)||s/\n/<SOMETEXT>/g' file.txt
Sample Output
$ cat file.txt                                                                                                                                                                             
line one
line two
line three
line four
line five
$  perl -pe 'eof()||s/\n/, /g' file.txt                                                                                                                                             
line one, line two, line three, line four, line five

2010-12-02 01:19:27

5 Alternatives + Submit Alt

What Others Think

I would probably just use next if /^(\s+)?$/;
dbbolton · 602 weeks and 6 days ago
Forgot to mention: with -n, and a print appended
dbbolton · 602 weeks and 6 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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