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Существует ли утилита Unix для добавления временных меток к stdin?

В конце концов я написал небольшой быстрый скрипт для этого в Python, но мне было интересно, есть ли утилита, в которую вы можете ввести текст, который будет дополнять каждую строку некоторым текстом-в моем конкретном случае, timestamp. В идеале, использование было бы чем-то вроде: 

cat somefile.txt | prepend-timestamp

(Прежде чем вы ответите sed, я попробовал это: 

cat somefile.txt | sed "s/^/`date`/"

Но это только один раз вычисляет команду date при выполнении sed, поэтому тот же timestamp неправильно добавляется к каждой строке.)

unix   shell   awk    

517   17   01:53, 29th August, 2020


Awk парсинг xml?

Привет!


Дано:

1. xml файл
<font color="black"><font color="#0000ff">&lt;?</font><font color="#800000">xml</font> <font color="#ff0000">version</font>=<font color="#ff0000">1</font>.<font color="#ff0000">0</font>?<font color="#0000ff">&gt;</font><br/>
<font color="#0000ff">&lt;</font><font color="#800000">file_events</font><font color="#0000ff">&gt;</font><br/>
  <font color="#0000ff">&lt;</font><font color="#800000">event</font> <font color="#ff0000">date</font><font color="#0000ff">=&quot;1254728164000&quot;</font> <font color="#ff0000">author</font><font color="#0000ff">=&quot;Bin/.svn/entries&quot;</font> <font color="#ff0000">filename</font><font color="#0000ff">=&quot;f4d64c1a/497b733f81c2866d/81c2866da7e4d268.68&quot;</font> <font color="#ff0000">action</font><font color="#0000ff">=&quot;D&quot;</font> <font color="#ff0000">comment</font><font color="#0000ff">=&quot;&quot;</font><font color="#0000ff">/&gt;</font><br/>
  <font color="#0000ff">&lt;</font><font color="#800000">event</font> <font color="#ff0000">date</font><font color="#0000ff">=&quot;1254728164000&quot;</font> <font color="#ff0000">author</font><font color="#0000ff">=&quot;Bin/.svn/entries&quot;</font> <font color="#ff0000">filename</font><font color="#0000ff">=&quot;51d46ff1/fdb0cf112ec24d1e/2ec24d1e87c7a87a.7a&quot;</font> <font color="#ff0000">action</font><font color="#0000ff">=&quot;D&quot;</font> <font color="#ff0000">comment</font><font color="#0000ff">=&quot;&quot;</font><font color="#0000ff">/&gt;</font><br/>
  <font color="#0000ff">&lt;</font><font color="#800000">event</font> <font color="#ff0000">date</font><font color="#0000ff">=&quot;1254728164000&quot;</font> <font color="#ff0000">author</font><font color="#0000ff">=&quot;Bin/.svn/entries&quot;</font> <font color="#ff0000">filename</font><font color="#0000ff">=&quot;384bccff/ba9fc3f089695f6d/89695f6dea4210c1.c1&quot;</font> <font color="#ff0000">action</font><font color="#0000ff">=&quot;D&quot;</font> <font color="#ff0000">comment</font><font color="#0000ff">=&quot;&quot;</font><font color="#0000ff">/&gt;</font><br/>
  <font color="#0000ff">&lt;</font><font color="#800000">event</font> <font color="#ff0000">date</font><font color="#0000ff">=&quot;1254728164000&quot;</font> <font color="#ff0000">author</font><font color="#0000ff">=&quot;Bin/.svn/entries&quot;</font> <font color="#ff0000">filename</font><font color="#0000ff">=&quot;486c2459/24e0b8e2d1c311d8/d1c311d80290ed01.01&quot;</font> <font color="#ff0000">action</font><font color="#0000ff">=&quot;D&quot;</font> <font color="#ff0000">comment</font><font color="#0000ff">=&quot;&quot;</font><font color="#0000ff">/&gt;</font><br/>
  <font color="#0000ff">&lt;</font><font color="#800000">event</font> <font color="#ff0000">date</font><font color="#0000ff">=&quot;1254728164000&quot;</font> <font color="#ff0000">author</font><font color="#0000ff">=&quot;Bin/.svn/entries&quot;</font> <font color="#ff0000">filename</font><font color="#0000ff">=&quot;415eef3b/1c681c2b8a542c77/8a542c77cb1839ce.ce&quot;</font> <font color="#ff0000">action</font><font color="#0000ff">=&quot;D&quot;</font> <font color="#ff0000">comment</font><font color="#0000ff">=&quot;&quot;</font><font color="#0000ff">/&gt;</font><br/>
  <font color="#0000ff">&lt;</font><font color="#800000">event</font> <font color="#ff0000">date</font><font color="#0000ff">=&quot;1254728164000&quot;</font> <font color="#ff0000">author</font><font color="#0000ff">=&quot;Bin/.svn/entries&quot;</font> <font color="#ff0000">filename</font><font color="#0000ff">=&quot;b3008424/6da995605f28165c/5f28165c84475335.35&quot;</font> <font color="#ff0000">action</font><font color="#0000ff">=&quot;D&quot;</font> <font color="#ff0000">comment</font><font color="#0000ff">=&quot;&quot;</font><font color="#0000ff">/&gt;</font><br/>
  <font color="#0000ff">&lt;</font><font color="#800000">event</font> <font color="#ff0000">date</font><font color="#0000ff">=&quot;1254728164000&quot;</font> <font color="#ff0000">author</font><font color="#0000ff">=&quot;Bin/.svn/entries&quot;</font> <font color="#ff0000">filename</font><font color="#0000ff">=&quot;ff4d0e6d/ea7152595adb7c97/5adb7c97bf59427e.7e&quot;</font> <font color="#ff0000">action</font><font color="#0000ff">=&quot;D&quot;</font> <font color="#ff0000">comment</font><font color="#0000ff">=&quot;&quot;</font><font color="#0000ff">/&gt;</font><br/>
<font color="#0000ff">&lt;/</font><font color="#800000">file_events</font><font color="#0000ff">&gt;</font></font><br/>
<br/>
<font color="gray">* This source code was highlighted with <a href="http://virtser.net/blog/post/source-code-highlighter.aspx"><font color="gray">Source Code Highlighter</font></a>.</font>


Причем в node event порядок аргументов может быть произвольным.


Задача:

1. Преобразовать данный файл к такому формату:
date|author|action|filename|comment

2. не обязательно Отсортировать данные по параметру date.


Вообще я делаю так:

<font color="black">cat $1 | \<br/>
grep -e <font color="#A31515">&quot;event &quot;</font> | \<br/>
sed -e <font color="#A31515">&quot;s/^[   ]*//&quot;</font> | \<br/>
awk <font color="#A31515">'<br/>
  $2 ~ /data/ { p1=$2; } <br/>
  $2 ~ /author/ { p2=$2; } <br/>
  $2 ~ /action/ { p3=$2;} <br/>
  $2 ~ /filename/ { p4=$2; } <br/>
  $2 ~ /comment/ { p5=$2; } <br/>
  <br/>
  $3 ~ /data/ { p1=$3; } <br/>
  $3 ~ /author/ { p2=$3; } <br/>
  $3 ~ /action/ { p3=$3; } <br/>
  $3 ~ /filename/ { p4=$3; } <br/>
  $3 ~ /comment/ { p5=$3; } <br/>
  <br/>
  $4 ~ /data/ { p1=$4; } <br/>
  $4 ~ /author/ { p2=$4; } <br/>
  $4 ~ /action/ { p3=$4; } <br/>
  $4 ~ /filename/ { p4=$4; } <br/>
  $4 ~ /comment/ { p5=$4; } <br/>
  <br/>
  $5 ~ /data/ { p1=$5; } <br/>
  $5 ~ /author/ { p2=$5; } <br/>
  $5 ~ /action/ { p3=$5; } <br/>
  $5 ~ /filename/ { p4=$5; } <br/>
  $5 ~ /comment/ { p5=$5; }     <br/>
  <br/>
  $6 ~ /data/ { p1=$6; } <br/>
  $6 ~ /author/ { p2=$6; } <br/>
  $6 ~ /action/ { p3=$6; } <br/>
  $6 ~ /filename/ { p4=$6; } <br/>
  $6 ~ /comment/ { p5=$6; }<br/>
  <br/>
  { print p1&quot;|&quot;p2&quot;|&quot;p3&quot;|&quot;p4&quot;|&quot;p5&quot;\n&quot;; } '</font> | \<br/>
sort -t <font color="#A31515">&quot;|&quot;</font> -k1 &gt; $result <br/>
</font><br/>
<font color="gray">* This source code was highlighted with <a href="http://virtser.net/blog/post/source-code-highlighter.aspx"><font color="gray">Source Code Highlighter</font></a>.</font>



на выходе имею:
<font color="black"><font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;f4d64c1a/497b733f81c2866d/81c2866da7e4d268.68&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;51d46ff1/fdb0cf112ec24d1e/2ec24d1e87c7a87a.7a&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;384bccff/ba9fc3f089695f6d/89695f6dea4210c1.c1&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;486c2459/24e0b8e2d1c311d8/d1c311d80290ed01.01&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;415eef3b/1c681c2b8a542c77/8a542c77cb1839ce.ce&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;b3008424/6da995605f28165c/5f28165c84475335.35&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;ff4d0e6d/ea7152595adb7c97/5adb7c97bf59427e.7e&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;a0c052d4/b0a0b0c0f70a7d29/f70a7d29231dacbd.bd&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;eabd8551/ccb2616f5be66fdb/5be66fdb0d4c9a77.77&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;25046ffa/0dfcd577c31d07d8/c31d07d855ade3e5.e5&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;cb86925a/bf4f23acb14c6c47/b14c6c474628ff82.82&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="#0000ff">date</font>=&quot;1254728164000&quot;|author=&quot;Bin/.svn/entries&quot;|<font color="#0000ff">action</font>=&quot;D&quot;|filename=&quot;51d46ff1/fdb0cf112ec24d1e/2ec24d1e87c7a87a.7a&quot;|comment=&quot;&quot;/&gt;<br/>
<font color="gray">Source Code Highlighter</font></a>.</font>

Парсинг   AWK    

339   5   08:58, 1st October, 2020


Как бороться с ошибкой: couldn't commit memory for cygwin heap?

Привет!


есть код:
<font color="black">awk <font color="#A31515">'<br/>
  BEGIN {<br/>
    split(&quot;\b\b\b\b\b. . . . . \b- \b\b- \b\b- \b\b- \b\b- \b= = = = =&quot;, st, &quot; &quot;)<br/>
    i=0<br/>
  }<br/>
  /^[0-9]/ { <br/>
    sub(/:.*/, &quot;&quot;);<br/>
    d=$0;<br/>
    next;<br/>
  }    <br/>
  /^&/ {<br/>
    sub(/&/, &quot;&quot;);<br/>
    f=$0<br/>
    substr($0, 2, length($0) - 1);<br/>
    next;<br/>
  }<br/>
  /^+/ { a=&quot;A&quot;; }<br/>
  /^-/ { a=&quot;D&quot;; }    <br/>
  /^[\+-]/ {       <br/>
    fflush(&quot;&quot;)<br/>
    sub(/[\+-]/, &quot;&quot;)                  <br/>
    &quot;echo \&quot;&quot; $0 &quot;\&quot; | md5sum | cut -f1 -d \&quot; \&quot; | sed -e \&quot;s@[32|16]@/sd@g\&quot;&quot; | getline str; close(&quot;&quot;)<br/>
    print &quot;&quot;<br/>
    system(&quot;echo -ne \&quot;&quot; st[i++] &quot;\&quot; &gt;&2&quot;)<br/>
    if (i &gt; 16) i=0<br/>
  }    <br/>
' $gitdiff | \<br/>
sed -e <font color="#A31515">'s/\(filename=&quot;[^&quot;]&quot;\)/\1/'</font>  <br/>
</font><br/>
<font color="gray">* This source code was highlighted with <a href="http://virtser.net/blog/post/source-code-highlighter.aspx"><font color="gray">Source Code Highlighter</font></a>.</font></font>


есть файл из которого берутся данные


при выполнение вылетает ошибка


C:\Program Files\Git\bin\sh.exe: *** couldn't commit memory for cygwin heap, Win32 error 487

C:\Program Files\Git\bin\sh.exe: *** couldn't commit memory for cygwin heap, Win32 error 487

C:\Program Files\Git\bin\gawk.exe: *** couldn't commit memory for cygwin heap, Win32 error 487


помогите понять почему?

upd: может дело в длине данных?

PowerShell   bash   MSysGit   AWK    

381   1   13:37, 1st October, 2020