Created
January 2, 2012 05:44
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Splits a folder of CSV files into smaller CSV files, retaining header row
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| #!/bin/bash | |
| if [ ! -d "./backup" ]; then | |
| mkdir backup | |
| fi | |
| lines=1024 | |
| for i in *.csv; do | |
| split -l ${1:-$lines} $i ${i%.csv}- | |
| for j in ${i%.csv}-a*; do | |
| if [[ "$j" != *-aa ]] | |
| then | |
| echo $(head -n 1 $i)|cat - $j > /tmp/out && mv /tmp/out $j | |
| fi | |
| mv $j $j.csv | |
| done | |
| mv $i backup/$i | |
| done |
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Syntax: sh split-csv-save-header.sh [linesperfile]
Lines per file optional, defaults to 1024