我有以下文件:
table.txt(逗号分隔)
1,Example Title
COL1,COL2,COL3,COL4,COL5
BRCC,ACGC,15869,105A,1
BCAS,GAAG,73345,369T,2
模板.awk
function parse_print(s){
s = gensub(/^\s+|\s+$/,"","g",s)
s = gensub(/[\42]/,"\\\\\042","g",s)
s = gensub(/\$[0-9]+/,"\" & \"","g",s)
s = gensub(/\$e/,"\" & \"","g",s)
return s;
}
/^[^%]/{print "print \"" parse_print($0) "\""; next}
/^%BEGIN$|^%END$/{print substr($1,2) "{"; next}
/^%END.+$/{print "}"; next}
{print substr($1,2) "{"}
{
if($2 == "%FOREACH"){
pprint = gensub(/(\S+\s+){2}(.*)/,"\\2","g")
print "for(e=1; e<=NF; ++e) print \"" parse_print(pprint) "\""
}else{
pprint = gensub(/\S+\s+(.*)/,"\\1","g")
print "print \"" parse_print(pprint) "\""
}
}
{print "}"}
表.tawk
%BEGIN
<style>
.my_table {border-bottom:3px double black; border-collapse: collapse; }
.my_table tr.header{border-bottom:3px double black;}
.my_table td{text-align: center;}
</style>
<table class="my_table">
%ENDBEGIN
%NR==1 <caption>Table $1. $2</caption>
%NR==2 <tr class="header">
%NR>2 <tr>
%NR==2 %FOREACH <th>$e</th>
%NR>2 %FOREACH <td>$e</td>
%NR!=1 </tr>
%END
</table>
%ENDEND
元编程.sh
#!/bin/sh
# metaprogram
awk '@include "template"' $1 > .table.awk
awk -vFS="," -f .table.awk $2
rm .table.awk
这个想法是使用元编程来分离演示的逻辑,这基于 @kent 的评论如何使用awk的问题格式化html中的文本用于将文本文件转换为 html 表格格式。
./metaprogramming.sh table.tawk table.txt > table.html
这得到,
<style>
.my_table {border-bottom:3px double black; border-collapse: collapse; }
.my_table tr.header{border-bottom:3px double black;}
.my_table td{text-align: center;}
</style>
<table class="my_table">
<caption>Table 1. Example Title</caption>
<tr class="header">
<th>COL1</th>
<th>COL2</th>
<th>COL3</th>
<th>COL4</th>
<th>COL5</th>
</tr>
<tr>
<td>BRCC</td>
<td>ACGC</td>
<td>15869</td>
<td>105A</td>
<td>1</td>
</tr>
<tr>
<td>BCAS</td>
<td>GAAG</td>
<td>73345</td>
<td>369T</td>
<td>2</td>
</tr>
</table>
问题1
有没有办法在不创建临时文件的情况下进行调用.table.awk
,甚至,无需使用bash
脚本 (awk
直接打电话)?
问题奖金
有没有办法做得更好?那里有图书馆吗awk
已经这样做了?