Re: printing words without newlines?

Bruce Horrocks <[email protected]> Sun, 12 May 2024 09:55:52 +0100
Newsgroups alt.comp.lang.awk,comp.lang.awk
Message-ID <[email protected]>
On 12/05/2024 09:52, Bruce Horrocks wrote:
> 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.
> 

Let me re-phrase that: it would be better to set ORS in the BEGIN {} 
section. I'm not sure why yours is not working but with some commented 
out code and some not, your example is unclear.

If what I have suggested doesn't work for you then please re-post your 
exact code.

-- 
Bruce Horrocks
Surrey, England