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Re: printing words without newlines?

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From Bruce Horrocks <07.013@scorecrow.com>
Newsgroups alt.comp.lang.awk, comp.lang.awk
Subject Re: printing words without newlines?
Date Sun, 12 May 2024 09:52:51 +0100
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Cross-posted to 2 groups.

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On 12/05/2024 05:57, David Chmelik wrote:
> I'm learning more AWK basics and wrote function to read file, sort,
> print.  I use GNU AWK (gawk) and its sort but printing is harder to get
> working than anything... separate lines work, but when I use printf() or
> set ORS then use print (for words one line) all awk outputs (on FreeBSD
> UNIX 14 and Slackware GNU/Linux 15) is a space (and not even newline
> before shell prompt)... is this normal (and I made mistake?) or am I
> approaching it wrong?  I recall BASIC prints new lines, but as I learned
> basic C and some derivatives, I'm used to newlines only being specified...
> ------------------------------------------------------------------------
> # print_file_words.awk
> # pass filename to function
> BEGIN { print_file_words("data.txt"); }
> 
> # read two-column array from file and sort lines and print
> function print_file_words(file) {
> # set record separator then use print
> # ORS=" "
>    while(getline<file) arr[$1]=$0
>    PROCINFO["sorted_in"]="@ind_num_asc"
>    for(i in arr)
>    {
>      split(arr[i],arr2)
>      # output all words or on one line with ORS
>      print arr2[2]
>      # output all words on one line without needing ORS
>      #printf("%s ",arr2[2])
>    }
> }
> ------------------------------------------------------------------------
> # sample data.txt
> 2 your
> 1 all
> 3 base
> 5 belong
> 4 are
> 7 us
> 6 to

You need to set ORS in the BEGIN { } section (or on the command line).

See 
<https://www.gnu.org/software/gawk/manual/html_node/Output-Separators.html> 
for an example - just replace the "\n\n" in the example with " " to see 
the effect you are looking for.

-- 
Bruce Horrocks
Surrey, England

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Thread

printing words without newlines? David Chmelik <dchmelik@gmail.com> - 2024-05-12 04:57 +0000
  Re: printing words without newlines? Bruce Horrocks <07.013@scorecrow.com> - 2024-05-12 09:52 +0100
    Re: printing words without newlines? Bruce Horrocks <07.013@scorecrow.com> - 2024-05-12 09:55 +0100
    Re: printing words without newlines? gazelle@shell.xmission.com (Kenny McCormack) - 2024-05-12 12:11 +0000
      Re: printing words without newlines? David Chmelik <dchmelik@gmail.com> - 2024-05-13 02:04 +0000
      Re: printing words without newlines? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-05-13 16:49 +0000
  Re: printing words without newlines? gazelle@shell.xmission.com (Kenny McCormack) - 2024-05-13 06:56 +0000
    Re: printing words without newlines? gazelle@shell.xmission.com (Kenny McCormack) - 2024-05-13 14:53 +0000
      Resurrecting an old thread (Was: printing words without newlines?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-07-15 18:10 +0000
  Re: printing words without newlines? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-05-13 10:18 +0200
  Re: printing words without newlines? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-05-13 17:17 +0000
    Re: printing words without newlines? gazelle@shell.xmission.com (Kenny McCormack) - 2024-05-13 17:26 +0000
      Re: printing words without newlines? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-05-13 23:33 +0000
        Array indices are small integers? (Was: printing words without newlines?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-05-14 13:40 +0000
  Re: printing words without newlines? Ed Morton <mortonspam@gmail.com> - 2024-05-16 08:11 -0500
    Re: printing words without newlines? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-05-16 15:55 +0200
      Once upon a time... (Was: printing words without newlines?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-05-16 14:15 +0000
        Re: Once upon a time... (Was: printing words without newlines?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-05-16 15:17 +0000
      Re: printing words without newlines? Ed Morton <mortonspam@gmail.com> - 2024-05-16 19:40 -0500

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