Re: Problem with output from gawk software in recent Cygwin installation

[Bryan VanSchouwen <vanschbm2@gmail.com>]

Just out of curiosity: Could this "<CR><LF>" issue be something new for
Windows 10?  I ask because I don't recall having this issue with my old
Windows 7 computer.

Bryan


On Tue, Jul 28, 2020 at 12:06 AM Brian Inglis <
Brian.Inglis@systematicsw.ab.ca> wrote:

> On 2020-07-27 15:58, Bryan VanSchouwen wrote:
> > On Mon, Jul 27, 2020 at 4:20 PM Brian Inglis wrote:
> >> On 2020-07-27 11:50, Michel LaBarre wrote:
> >>> On July 27, 2020 12:52 PM, Eliot Moss wrote:
> >>>> On 7/27/2020 11:47 AM, Bryan VanSchouwen wrote:
> >>>>> I just tried executing an awk script using the most recent version
> >>>>> of gawk, but the output did not turn out the way that it was supposed
> >>>>> to.
> >>>>> This script uses the following command to print the output data to
> >>>>> the output file:
> >>>>> print(cai[i], rpi[i], i) >
> >>>>> "Fit_Height_correln_plot_-_cPuMP_vs_2NH2-cPuMP.dat"
> >>>>> and previously, this command always printed the values of the three
> >>>>> variables on a single line, separated by spaces; however, now the
> >>>>> gawk software is automatically adding hard-returns between the
> >>>>> values, resulting in the three values being printed on separate lines
> >>>>> within the data file.
> >>>>> What is going on here, and how do I permanently make it stop??
>
> >>> Here's a wondering: Could it have to do with line endings?  If Windows
> >>> CRLF is getting in there, then the variables might get a CR in them,
> >>> which might do weird things.  This assumes those are string variables,
> >>> not numeric.
>
> >> Better yet, how about an example using manifest constants in a one line
> >> sample to eliminate impact of arrays or changes in input data as in:
> gawk
> >> 'BEGIN {print(1,2,3)}' or gawk 'BEGIN {print(1,2,3) > "xxx.txt"}'>
> > No problem with awk or gawk:
> > $ for ((i = 0; i < 10; ++i))
> >   do
> >     printf "%d %d %d %d\n" $((i+1)) $((i+2)) $((i+3)) $((i+4))
> >   done > test.txt
> > $ awk '{print($1, $2, $3)}' test.txt
> >     1 2 3
> >     2 3 4
> >     3 4 5
> >     4 5 6
> >     5 6 7
> >     6 7 8
> >     7 8 9
> >     8 9 10
> >     9 10 11
> >     10 11 12
> > So the issue appears to be with your command line, script, or input data
> > file: please show the command line used to execute the script, attach
> the
> > complete awk script, and input data file for diagnosis, or selections of
> the
> > latter piped through or output using cat -A to show control characters.
> > Here they are (attached). The script was executed with the following
> > command:> gawk -f peak_intensity_correln_plot_compile.awk
> Input files have <CR><LF> \r\n <ctrl-M><ctrl-J> line terminators and those
> are
> carried thru at the ends of the string fields:
>
> $ gawk -f peak_intensity_correln_plot_compile.awk
> $ file *cPuMP*.dat
> 2NH2-cPuMP_nh_-_pk_Fit_Height_data.dat:            ASCII text, with CRLF
> line
> terminators
> cPuMP_nh_-_pk_Fit_Height_data.dat:                 ASCII text, with CRLF
> line
> terminators
> Fit_Height_correln_plot_-_cPuMP_vs_2NH2-cPuMP.dat: ASCII text, with CR, LF
> line
> terminators
> $ cat -A Fit_Height_correln_plot_-_cPuMP_vs_2NH2-cPuMP.dat | head
> 1571697^M 1716833^M 224$
> 2672863^M 2894992^M 225$
> 2184902^M 9710015^M 226$
> 4393362^M 4095908^M 227$
> 3828609^M 4218978^M 229$
> 6285045^M 4008320^M 233$
> 3936959^M 4104667^M 234$
> 1698322^M 1942553^M 237$
> 4144791^M 4346435^M 238$
> 2546328^M 2804338^M 239$
>
> You could change your input line terminators to "\r\n" e.g. option
> -vRS="\r\n",
> insert '{ sub( /\r$/, ""); before each 'split(x, s, " ")', convert your
> input
> fields from strings to numbers by adding zero i.e. cai[i] += 0; rpi[i] +=
> 0; or
> use belts, braces, and suspenders with all three, e.g.
>
> $ gawk -vRS="\r\n" -f peak_intensity_correln_plot_compile.awk
> $ file *cPuMP*.dat
> 2NH2-cPuMP_nh_-_pk_Fit_Height_data.dat:            ASCII text, with CRLF
> line
> terminators
> cPuMP_nh_-_pk_Fit_Height_data.dat:                 ASCII text, with CRLF
> line
> terminators
> Fit_Height_correln_plot_-_cPuMP_vs_2NH2-cPuMP.dat: ASCII text
> $ cat -A Fit_Height_correln_plot_-_cPuMP_vs_2NH2-cPuMP.dat | head
> 1571697 1716833 224$
> 2672863 2894992 225$
> 2184902 9710015 226$
> 4393362 4095908 227$
> 3828609 4218978 229$
> 6285045 4008320 233$
> 3936959 4104667 234$
> 1698322 1942553 237$
> 4144791 4346435 238$
> 2546328 2804338 239$
>
> --
> Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
>
> This email may be disturbing to some readers as it contains
> too much technical detail. Reader discretion is advised.
> [Data in IEC units and prefixes, physical quantities in SI.]
> --
> Problem reports:      https://cygwin.com/problems.html
> FAQ:                  https://cygwin.com/faq/
> Documentation:        https://cygwin.com/docs.html
> Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple
>