aws中的OFS问题

问题描述

我有一个包含此字符串(字段分隔符是百分号)，存储在名为data的变量中

I have a string containing this (field separator is the percentage sign), stored in a variable called data

201%jkhjfhn%kfhngjm%mkdfhgjdfg%mkdfhgjdfhg%mkdhfgjdhfg%kdfhgjgh%kdfgjhgfh%mkfgnhmkgfnh%k,gnhjkgfn%jkdfhngjdfng

我正在尝试打印出用字符串代替百分号的字符串，但它似乎比我想象的要硬:

I'm trying to print out that string replacing the percentage sign with a pipe but it seems harden than i thought:

echo ${data} | awk -F"%" 'BEGIN {OFS="|"} {print $0}'

我知道我离它很近，只是距离不够.

I know I'm very close to it just not close enough.

我看到的代码是:

I see that code as:

1 echo the variable value into a awk session
2 set field separator as "%"
3 set as output field separator "|"
4 print the line

推荐答案

尝试一下:

echo "$data" | awk -F"%" 'BEGIN {OFS="|"} {$1=$1; print $0}'

来自 awk手册

$1 = $1   # force record to be reconstituted
print $0  # or whatever else with $0

---

如果搜索awk的替代方法，则仅使用tr的另一种轻量级方法:

---

Another lightweight way using only tr if you search an alternative for awk :

tr '%' '|' <<< "$data"

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