Turning multiple lines into one comma separated line

Question

I have the following data in multiple lines  foo bar qux zuu sdf sdfasdf  What I want to do is to convert them to one comma separated line  foo bar qux zuu sdf sdfasdf  What s the best unix one-liner to do that

User · Answer

file  aaa bbb ccc ddd   xargs  cat file   xargs   result  aaa bbb ccc ddd    xargs improoved  cat file   xargs   sed -e  s     g    result  aaa bbb ccc ddd

User · Answer

xargs -a your file   sed  s     g   This is a shorter way

User · Answer

There are many ways it can be achieved  The tool you use mostly depends on your own preference or experience   Using tr command   tr   n       lt  somefile   Using awk   awk -F  n    if NR    1   printf  0  else  printf     0    somefile

User · Answer

sed -n  s     amp    H  x  s   n   g  s  n        1   s          1   p

User · Answer

perl -pi bak -e  unless eof  s  n   g   your file   This will create a backup of original file with an extension of  bak and then modifies the original file

User · Answer

Using paste command   paste -d  -s file

User · Answer

based on your input example  this awk line works   without trailing comma   awk -vRS    -vOFS       1  1  file   test   kent   echo  foo bar qux zuu sdf sdfasdf  awk -vRS    -vOFS       1  1   foo bar qux zuu sdf sdfasdf

User · Answer

Perl one-liner   perl -pe chomp  s      unless eof  file   or  if you want to be more cryptic   perl  -peeof  chomp amp  amp s       file

[linux] Turning multiple lines into one comma separated line

file

xargs

result

xargs improoved

result

Examples related to linux

Examples related to perl

Examples related to unix

Examples related to sed

Examples related to awk