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lang-c
SW12_1AB long1 lat1(tabs between columns) - your script generates -long1,lat1,SW12_1AB- when the file has unix line endings (\n); when the file has windows line endings (\r\n) your script generates -SW12_1AB1; I'm guessing your file may have windows line endings in which case you'll either want to remove them (eg,dos2unix pc0.csv) or modify theawkscript to factor in the trailing\rcharacter; providing us with sample inputs and (expected, wrong) outputs will help us to determine the issue(s) and how to proceedperl,awk, or evenbash, but without a fuller description of your system, and a short example of your input (are there TABs?) and the desired output, I can't pick a silution.{FS="\t"; OFS=","}, then the input file is not a CSV, it's a tsv. Am I right?