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Hello budz26,

Could you please try following and let me know if this helps.

awk 'BEGIN{print "HEADER 1, HEADER 2,HEADER 3,COLUMN1,COLUMN2,COLUMN3"} ($0 ~ /HEADER/ || $0 ~ /COLUMN/ || $0 ~ /^$/...

Try awk '/HEADER 1/ {HD = $0; getline INTRO; next} /COLUMN1/ {if (!L) print HD, $0; L = 1; next} NF && !/END/ {print INTRO, $0}' FS=, OFS="" file
HEADER 1, HEADER 2, HEADER...

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Try this. The shell should eat the extra spaces: while read A B C
do
printf "%s\t%s\t%s\n" "$A" "$B" "$C"
done < file > newfile

awk -F':' '$1=$1' OFS="\t" a.txt
(does not fullfill the demanded task, working on a new version...)
New code:
awk '{s="";for(i=1;i<split($1,A,"/");i++){s=s A[i]"/"}
$1=s"\t"A[i]}
$1=$1' FS=':'...

There is a small slip in the explanation:
Should be

if ($filename =~ /x([a-zA-Z0-9_\.]+), [0-9]+ bytes/)I suspect it is used to extract a file name from a report as it sets $1 to "name.txt" if the value "xname.txt, 4096 bytes" is found in he variable...

What about the reverse test:$ (sleep 1 >file & fuser file ; echo $? ; wait)
[1] 9098
file: 9098o
0
$The fuser command was intended for viewing or testing stdout, not testing the exit...