UNIX was born for this. awk 'BEGIN { FS="," } /"creditcard":"/ { split ($5, a, "...

stonogo on April 25, 2015 | parent | context | favorite | on: CSV Challenge

UNIX was born for this.

    awk 'BEGIN { FS="," } /"creditcard":"/ { split ($5, a, " "); split (a[1], b, "\""); date=b[4]; gsub (/-/, "", date);  split ($1, a, "\""); name=a[4]; name=sprintf("\"%s\"", name); split ($6, a, "\""); card=a[4]; print "echo",name","card,">>",date".csv";  }' data.json | sh