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UNIX Pipelines

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# 1  
Old 10-10-2013
UNIX Pipelines
What if you want to have just one single pipeline that will create a file (let's say x) and we want all the content from another file (we can call it y), one word per line?
# 2  
Old 10-10-2013
Code:
awk '{ for (i=1;i<=NF;++i) {print i"\n"}}' y > x

# 3  
Old 10-10-2013
Interesting question. If you really want to use a single pipe, how about the following?
Code:
$ cat infile
The quick brown fox jumped
over the fence
and ran into the woods

$  tr '[:space:]' '\n' < infile | cat - > outfile

$ cat outfile
The
quick
brown
fox
jumped
over
the
fence
and
ran
into
the
woods

# 4  
Old 10-10-2013
Code:
tr -s ' \011' '\012' <input.txt >output.txt

There's a space at the front of the tr first quoted arg. The 011 matches a tab. Assumes a *ix env with 012 (octal) linefeeds.
# 5  
Old 10-11-2013
Quote:
Originally Posted by cjcox
Code:
tr -s ' \011' '\012' <input.txt >output.txt

There's a space at the front of the tr first quoted arg. The 011 matches a tab. Assumes a *ix env with 012 (octal) linefeeds.
The character class [:space:] is more portable since it covers all whitespace in all locales.
# 6  
Old 10-15-2013
Portable meaning contemporary Unix/Linux... yes... then I agree with your statement.
# 7  
Old 10-15-2013
Code:
xargs -n1 <infile >outfile

Code:
$ cat infile
The quick brown fox jumped
over the fence
and ran into the woods
$ xargs -n1 <infile >outfile
$ cat outfile
The
quick
brown
fox
jumped
over
the
fence
and
ran
into
the
woods
$
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