In post #1, the labels in your sample input files were "train statistics" and "test statistics". In your latest code you have labels with underscores instead of spaces. You'll have to be sure your stats files and your labels match.
I temporarily removed the spaces from both the test input files and the shell code to eliminate the space as a possible source of problems. I try to avoid having spaces within a single field of a delimited text file but it cannot always be avoided. I have it working now with the space.
Quote:
Originally Posted by Don Cragun
In post #3, you included a header line in your output; I don't see anything in your latest code that prints that header. And, unless each of your stats files contains all of the sets of statistics and includes them in the same order, what you have shown us will end up printing data for different sets of statistics under each other in the output with no indication of which set they came from. Do each of your stats files contain statistics from all of the possible sets of statistics and are each of those sets of statistics present in the same order in each stats file?
The header is created when the logfile is created. I am using this code as a function that gets called when each output file has been created. The code appends the statistics from the processed file to the existing logfile. Entries for all of the statistics exist in every output file in the same order. The values may all be 0.0 if a given set of statistics were not calculated, but the entry will be there.
Quote:
Originally Posted by Don Cragun
In your latest code you have:
which sets both your input file and your output file to be the same input parameter. I'm about 99% sure that isn't what you want.
Yes, I have fixed that.
Quote:
Originally Posted by Don Cragun
The cat in your code isn't helping and seems to be working against you. I think you're going to want to end up with something more like:
I have typically used cat to pipe input to awk when reading input from a file. I have used something like you suggest but I didn't remember to this time. You are suggesting basically,
awk 'awk stuff' $INPUT_FILE > $OUTPUT_FILE
which is how I would use awk on the command line but for some reason don't in scripts.
Quote:
Originally Posted by Don Cragun
Do you want your output fields to be tab separated, or do you want your output fields to be in aligned columns? Note that since your field headers vary in width from 6 characters (e.g., "test_n" to more than 9 characters (e.g. " train_MdAE" and your statistics data all fit in less than 8 characters, the two choices are mutually exclusive. (I.e., you can't have both.)
The output will be tab delimited. I did aligned columns in my sample post because I think that tab can be hard to read in plain text.
This is what I have at the moment. This has been revised to reflect your suggestion.
This function is called with the path to the stats file being processed, the path to the logfile where the stats are written, and the name of the stats file being processed (to also enter to the log). The is called once for each stats file produces and appends an entry to an existing logfile.
This seems to work fine. As you pointed out, this expects the stats in LABELS to exist and be found in the same order. I have attached a sample of the stats files I am processing in case that is useful.
OK then. It looks like RudiC guessed correctly on everything you were trying to do and on your stat file format. And, as long as you give it at least two stat files to process, it looks to me like his code produces the output you want. If you just give it one input file, however, it won't print any headers.
By moving some of this code into a function, as shown below, and processing command line arguments as I suggested before, you seem to get what you want:
Code:
#!/bin/bash
if [ $# -lt 2 ]
then printf 'Usage: %s output_file stat_file...\n' "${0%%*/}" >&2
exit 1
fi
# where to write the output
logfile=$1
# remaining operands are stat files to be read directly by awk...
shift
awk '
BEGIN {LAB="train statistics|test statistics|validate statistics|ival statistics"
}
function prec() {if(! HDDONE) {printf "filename"
for (i=1; i<=CNT; i++) printf OFS"%s", HD[i]
printf ORS
HDDONE = 1
}
printf "%s", FN
for (i=1; i<=CNT; i++) printf OFS"%s", VAL[HD[i]]
printf ORS
split ("", VAL)
}
FNR == 1 {if (NR != 1) prec()
FN = FILENAME
}
$0 ~ LAB {PH = $1
for (i=1; i<=5; i++) {getline
IX = PH "_" $1
VAL[IX] = $2
if (! HDDONE) HD[++CNT] = IX
}
}
END {prec()
}
' OFS="\t" "$@" > "$logfile"
And, if your system has the column utility, you can use it to print the log file this creates (which contains <tab> separated fields) into aligned text using the command:
Code:
column -t logfile.txt
where logfile.txt is the name of the output you supplied to the above script as its first operand. And if we do that with the sample file you uploaded with post #8 after invoking the script above with:
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