按 ID(第一列)拆分内容并根据格式生成新的数据文件 [英] splitting content by ID (1st column) and generate new data file based on format
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问题描述
我想如何使用如下日期格式将内容拆分为多个文件:
How i want to split content to multiple files using date format as following below:
Test_<ID name><ddmmyyyy>.CSV
如何按照格式拆分?
在此之前我使用:
awk -F"," 'NR>1 {print > "Test_<ID name><ddmmyyyy>.CSV_"$1".csv"}' Original.CSV
编辑
我带着
awk -v DATE="$(date +"%d%m%Y")" -F"," 'BEGIN{OFS=","}NR>1 { gsub(/"/,"",$1); print > "Assignment_"$1"_"DATE".csv"}' Test_01012020.CSV
但是我也想包括我的列名.怎么样?
but then I want to include my column name too. How?
推荐答案
您可以尝试使用 shell 中的变量:
_DATE=` date '+%d%m%Y' `
_ID=my_value
F_EXT=${_ID}${_DATE}
# here "var" is set to the value defined from the shell "F_EXT"
awk -v var=${F_EXT} -F"," 'NR>1 {print > "Test_" var ".CSV_"$1".csv"}' Original.CSV
(我没弄明白你的ID 名称"在哪里,所以这里是 my_value
)
(I didn't get where you were taking your "ID name", so here it's my_value
)
如果你想包含你的列名,那么在NR==1
的情况下阅读它:
If you want to include your column name, then read it with the case when NR==1
:
awk -v DATE="$(date +"%d%m%Y")" -F"," 'BEGIN{OFS="," } NR==1 {COLUMN_NAME=$1} NR>1 { gsub(/"/,"",$1); print > "Assignment_"$1"_"COLUMN_NAME"_"DATE".csv"}' a.txt
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