bash - parsing a csv file $INPUT, write to $OUTPUT, and prompt for user input all in a while loop - user NOT prompted -

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i have problem, , pretty new writing bash. parsing csv file, checking few things. if check true, change variable later written file. reading input file , outputting file well, , if argument checks true, want prompt user , pause script until user verifies information matches (manual verification).

i have recent attempt not prompting. continues read , write output. pretty sure because output going directly output file, not know way direct prompt terminal window stuck.

input=$tmpsave ifs=, [ ! -f $input ] && { echo "$input file not found"; exit 99; } while read cdwon cdwod manu_date hp_sn manu_sn wiped_by wiped_date checked_by disposition readonly     in ${!allassigned[@]}                 if [[ -n $manu_sn ]]                                 if echo ${allassigned[i]} | grep -q $manu_sn                                                 physicaldrive=${allassigned[i-1]}                             disk=$(hpacucli ctrl slot=${slot} show config detail | grep -b 4 ${physicaldrive} | head -1 | awk '{print $nf}');                             if [[ -n $disk ]]; #proceed wipe drive                                     mount ${disk}${primary} ${mount}                                     if [ -e $dir ];                                     ####### file exists, it? automatcially prompt user?                                             cat $dir > /dev/tty                                             echo "does drive serial number (${allassigned[i]}) match provided database ($manu_sn)? (y/n)" > /dev/tty                                             read                                             if [ "$reply" == "y" ] || [ "$reply" == "y" ] || [ "$reply" == "yes" ] || [ "$reply" == "yes" ];                                                     checked_by=$username                                                     checked_bydate=`date`                                             fi                                     fi                             fi                     fi             fi     done     echo "$cdwon,$cdwod,$manu_date,$hp_sn,$manu_sn,$wiped_by,$wiped_date,$checked_by,$disposition,$readonly";     continue; done < $input > $output

i solved own issue here. found out read default reading stdin. when trying prompt input using stdin, lines reading technically stdin input. if want read file in while loop method have done have change fd so:

while read -u 6 column1 column2 .....body done 6< $inputfile

key being "6" arbitrary number.


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