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Transpose large data in UNIX

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Old 01-29-2017
@Scrutinizer: That works fine for quadratic matrices, but would run into difficulties if row count and column count differ. If column count is greater, you'll have empty lines at result end. If it's less, you'll miss last lines.
In the END section, you'll need to print max(NF) lines, not NR lines. Check this small amended version of your above script:
Code:
awk 'NF > MX {MX = NF}; {for(i=1; i<=NF; i++) A[i]=A[i] (NR>1?OFS:x) $i} END{for(i=1; i<=MX; i++) print A[i]}' OFS="\t"  file

This User Gave Thanks to RudiC For This Post:
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