如何按星期几排序？

Question

我有两个文件。

文件 1：

Dave 734.838.9800  
Bob 313.123.4567  
Carol 248.344.5576  
Mary 313.449.1390  
Ted 248.496.2204  
Alice 616.556.4458   

文件2：

Bob Tuesday  
Carol Monday  
Ted Sunday   
Alice Wednesday  
Dave Thursday    
Mary Saturday  

我合并了这两个文件。

file3 应如下所示：

Name      On-Call     Phone  
Carol     MONDAY      248.344.5576  
Bob       TUESDAY     313.123.4567  
Alice     WEDNESDAY   616.556.4458  
Dave      THURSDAY    734.838.9800  
Nobody    FRIDAY      634.296.3356  
Mary      SATURDAY    313.449.1390  
Ted       SUNDAY      248.496.2204  

但我无法让工作日井井有条。我该怎么做？

Answer 1

这是另一种方法（简短版本，没有临时文件）：

{ printf %s\\n "Name On-Call Phone"; 
join -a1 -j2 -o 1.1 2.1 1.2 2.3 -e "Nobody" \
<(printf %s\\n '5 Friday' '1 Monday' '6 Saturday' '7 Sunday' '4 Thursday' '2 Tuesday' '3 Wednesday') \
<(join <(sort file2) <(sort file1) | sort -k2) | sort -k2n | sort -k1n | \
cut -d' ' -f 2-; } | column -t

如果您绝对需要大写的日期名称，那么：

{ printf %s\\n "Name On-Call Phone";  join -a1 -j2 -o 1.1 2.1 1.3 2.3 -e "Nobody" <(cat <<IN
5 Friday FRIDAY
1 Monday MONDAY
6 Saturday SATURDAY
7 Sunday SUNDAY
4 Thursday THURSDAY
2 Tuesday TUESDAY
3 Wednesday WEDNESDAY
IN
) <(join <(sort file2) <(sort file1) | sort -k2) | sort -k2n | sort -k1n | cut -d' ' -f 2-; } | column -t

长版本：
假设我们有两个文件，file1：

Dave 734.838.9800
Bob 313.123.4567
Carol 248.344.5576
Mary 313.449.1390
Ted 248.496.2204
Alice 616.556.4458
Jimmy 324.555.8867
Harry 422.858.2354
Lou 788.907.6859

和file2：

Bob Tuesday
Carol Monday
Jimmy Wednesday
Ted Sunday
Alice Wednesday
Dave Thursday
Harry Monday
Mary Saturday
Lou Sunday

我们file3使用以下内容创建：

1 Monday MONDAY
2 Tuesday TUESDAY
3 Wednesday WEDNESDAY
4 Thursday THURSDAY
5 Friday FRIDAY
6 Saturday SATURDAY
7 Sunday SUNDAY

然后运行：

{ printf %s\\n "Name On-Call Phone"; \
join <(sort file2) <(sort file1) | sort -k2 | \
join -a1 -j2 -o 1.1 2.1 1.3 2.3 -e "Nobody" <(sort -k2 file3) - \
| sort -k1n | cut -d' ' -f 2-; } | column -t

或者，在一行中：

{ printf %s\\n "Name On-Call Phone"; join <(sort file2) <(sort file1) | sort -k2 | join -a1 -j2 -o 1.1 2.1 1.3 2.3 -e "Nobody" <(sort -k2 file3) - | sort -k1n | cut -d' ' -f 2-; } | column -t

输出：

Name    On-Call    Phone
Carol   MONDAY     248.344.5576
Harry   MONDAY     422.858.2354
Bob     TUESDAY    313.123.4567
Alice   WEDNESDAY  616.556.4458
Jimmy   WEDNESDAY  324.555.8867
Dave    THURSDAY   734.838.9800
Nobody  FRIDAY     Nobody
Mary    SATURDAY   313.449.1390
Lou     SUNDAY     788.907.6859
Ted     SUNDAY     248.496.2204

工作原理：
join <(sort file2) <(sort file1) | sort -k2- 前两个文件基于第二个字段连接，然后输出按第二列排序：

Carol Monday 248.344.5576
Harry Monday 422.858.2354
Mary Saturday 313.449.1390
Ted Sunday 248.496.2204
Lou Sunday 788.907.6859
Dave Thursday 734.838.9800
Bob Tuesday 313.123.4567
Jimmy Wednesday 324.555.8867
Alice Wednesday 616.556.4458

这通过管道输送到join -a1 -j2 -o 1.1 2.1 1.3 2.3 -e "Nobody" <(sort -k2 file3) -与连接它file3基于第二字段; -a1将 file3 中不匹配的行添加到输出中，并将-e "Nobody"丢失的输出字段替换为"Nobody"：

5 Nobody FRIDAY Nobody
1 Carol MONDAY 248.344.5576
1 Harry MONDAY 422.858.2354
6 Mary SATURDAY 313.449.1390
7 Ted SUNDAY 248.496.2204
7 Lou SUNDAY 788.907.6859
4 Dave THURSDAY 734.838.9800
2 Bob TUESDAY 313.123.4567
3 Jimmy WEDNESDAY 324.555.8867
3 Alice WEDNESDAY 616.556.4458

结果再次通过管道传输到sort -k1n | cut -d' ' -f 2-对第一个字段的输出进行数字排序，然后删除第一个字段：

Carol MONDAY 248.344.5576
Harry MONDAY 422.858.2354
Bob TUESDAY 313.123.4567
Alice WEDNESDAY 616.556.4458
Jimmy WEDNESDAY 324.555.8867
Dave THURSDAY 734.838.9800
Nobody FRIDAY Nobody
Mary SATURDAY 313.449.1390
Lou SUNDAY 788.907.6859
Ted SUNDAY 248.496.2204

由于这是{...}与printf %s\\n "Name On-Call Phone"打印标题的分组，因此整个输出然后通过管道传输以对其column -t进行美化。

sort如果 file3 已经在第二列上排序（例如这次使用简单的两列 file3），您可以跳过一个：

5 Friday
1 Monday
6 Saturday
7 Sunday
4 Thursday
2 Tuesday
3 Wednesday

并分配一个电话号码，"Nobody"例如sed 's/Nobody/888.000.8888/2'：

{ printf %s\\n "Name On-Call Phone"; join <(sort file2) <(sort file1) | \
sort -k2 | join -a1 -j2 -o 1.1 2.1 1.2 2.3 -e "Nobody" file3 - | sort -k1n | \
cut -d' ' -f 2-; } | sed 's/Nobody/888.000.8888/2' | column -t

输出：

Name    On-Call    Phone
Carol   Monday     248.344.5576
Harry   Monday     422.858.2354
Bob     Tuesday    313.123.4567
Alice   Wednesday  616.556.4458
Jimmy   Wednesday  324.555.8867
Dave    Thursday   734.838.9800
Nobody  Friday     888.000.8888
Mary    Saturday   313.449.1390
Lou     Sunday     788.907.6859
Ted     Sunday     248.496.2204