你如何用gawk解析csv文件?简单地设置FS =“,”是不够的,因为带有逗号的引用字段将被视为多个字段.
使用FS =“,”的示例不起作用:
one,two,"three,four",five "six,seven",eight,"nine"
gawk脚本:
BEGIN { FS="," } { for (i=1; i<=NF; i++) printf "field #%d: %s\n",i,$(i) printf "---------------------------\n" }
输出不好
field #1: one field #2: two field #3: "three field #4: four" field #5: five --------------------------- field #1: "six field #2: seven" field #3: eight field #4: "nine" ---------------------------
所需输出:
field #1: one field #2: two field #3: "three,four" field #4: five --------------------------- field #1: "six,seven" field #2: eight field #3: "nine" ---------------------------
简短的答案是“如果CSV包含尴尬的数据,我不会使用gawk来解析CSV”,那么“尴尬”是指CSV字段数据中的逗号.
原文链接:https://www.f2er.com/bash/383879.html下一个问题是“你还要做什么其他处理”,因为这会影响你使用什么方法.
我可能会使用Perl和Text :: CSV或Text :: CSV_XS模块来读取和处理数据.记住,Perl最初是作为一个awk和sed的杀手部分编写的 – 因此,a2p和s2p程序仍然与Perl一起分发,将awk和sed脚本分别转换为Perl.