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Are there several files and for every file the longest word shall be the measure for the field length?

---------- Post updated at 10:25 PM ---------- Previous update was at 04:42 PM ----------
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It depends on what you want to select. If you want only those rows of file1 where field 1 is in file2 than use:

awk 'BEGIN{FS="|"}NR==FNR{a[$1]=$1;next}a[$1]' file2 file1 >selected_lines

If...

Was already late for corona688:rolleyes:

The var's S1 and S2 need to change position

awk -v S1="ERROR" -v S2="PromotionsWebServiceClient" '($0 ~ S1) && ($0 ~ S2)' DATAFILE > OUTDATAFILE

awk 'BEGIN{OFS="\t"}{ for(N=1; N<=NF; N++) if($N == "01000000") $N="0" } 1'or even shorter if "01000000" is always on 3rd column
awk 'BEGIN{OFS="\t"}{ if($3 == "01000000") $3="0" } 1'

With this sample var=sprintf("%c", 0134); I got the idea to assign -v bs=\ Even this works as a FS for the split() command -v bs=[\._]

This finally worked best with DOS

gawk -v bs=\ "/...