我正在開發一個項目,其中我需要從文字檔案中刪除所有格式,包括空格和換行符,然後用管道替換任何冒號。我已經取得了一些進展,但我找不到一種方法來掩蓋需要忽略的部分。我是 sed 的新手,對於 Bash 腳本編寫也只是新手,事實上,我並不完全確定 sed 是適合這項工作的工具(也許是 vi?我通常使用 Nano)。我嘗試格式化的文件與此類似
== LUN mysql05-dbdat02 ==
LUNName: mysql05-dbdat02
CollectionStartTime: 2012-09-20T15:43:03-04:00
CollectionEndTime: 2012-09-20T15:43:34-04:00
Capacity
CurrentCapacity: 512
IOOperations
Reads: 100
Writes: 0
ReadsPerSecond: 0.000000
WritesPerSecond: 0.000000
ReadMBPerSecond: 0.000
WriteMBPerSecond: 0.000
TotalMBPerSecond: 0.000
NonOptimizedIOPerSecond: 0.000000
CacheHitPercentage: 0.000
PerformanceMetrics
TotalIOsPerSecond: 0.000
ReadIOsPerSecond: 0.000
WriteIOsPerSecond: 0.000
TotalMBPerSecond: 0.000
ReadMBPerSecond: 0.000
WriteMBPerSecond: 0.000
Performance
== LUN mysql05-dbdat02 ==
LUNName: mysql05-dbdat02
CollectionStartTime: 2012-09-20T15:43:03-04:00
CollectionEndTime: 2012-09-20T15:43:34-04:00
Capacity
CurrentCapacity: 512
IOOperations
Reads: 100
Writes: 0
ReadsPerSecond: 0.000000
WritesPerSecond: 0.000000
ReadMBPerSecond: 0.000
WriteMBPerSecond: 0.000
TotalMBPerSecond: 0.000
NonOptimizedIOPerSecond: 0.000000
CacheHitPercentage: 0.000
PerformanceMetrics
TotalIOsPerSecond: 0.000
ReadIOsPerSecond: 0.000
WriteIOsPerSecond: 0.000
TotalMBPerSecond: 0.000
ReadMBPerSecond: 0.000
WriteMBPerSecond: 0.000
Performance
輸出需要是這樣的,
cm-data-unity01|LUNNam=cm-data-unity01|CollectionStartTim=2012-09-20T15:43:03-04:00|CollectionEndTim=2012-09-20T15:43:34-04:00|Capacity|CurrentCapacit=2048|IOOperations|Read=10|Write=90|ReadsPerSecon=8.000000|WritesPerSecon=76.000000|ReadMBPerSecon=0.430|WriteMBPerSecon=0.542|TotalMBPerSecon=0.973|NonOptimizedIOPerSecon=85.000000|CacheHitPercentag=0.000|PerformanceMetrics|TotalIOsPerSecon=84.000|ReadIOsPerSecon=8.000|WriteIOsPerSecon=76.000|TotalMBPerSecon=0.973|ReadMBPerSecon=0.430|WriteMBPerSecon=0.542|Performance|
或者,全部在一條線上。
我寫了一個非常簡單的 Bash 腳本來格式化它,就像這樣
# Author Christopher George Bollinger
# Comments: This script will modify the snippet.txt file.
# This script is meant to, first, take a specific bit of unformatted data and remove all line breaks and non-printable characters.
# Following this, the script is to replace any appropriate colons (those being used as delimiters) and replace them with the equals (=) character.
#!/bin/bash
echo "This script will remove line breaks, remove non-printable characters, and will replace colons used as field delimiters with the equals '(=)' character."
cp snippet.txt snippetwork.txt
RmLB ()
{
tr -d '\n' < snippetwork.txt > snippetwork1.txt
}
RmNonPrint ()
{
tr -cd "[:print:]" < snippetwork1.txt > snippetwork2.txt
}
RplcW ()
{
sed 's/: /=/g' snippetwork2.txt > snippetwork3.txt
}
RmWtSpc ()
{
tr -s ' ' '|' < snippetwork3.txt > snippetgood.txt
sed 'd/(?:[a-z]=) /'
}
QuChek ()
{
cat snippetgood.txt
read -p "Is this satisfactory? (Y/n)" Choice
case $Choice in
Y|y)
mv snippetgood.txt snippet.txt
rm -f snippetwork*
rm -f snippetgood.txt
;;
N|n)
exit
;;
*)
echo "Invalid Input."
;;
esac
}
read -p "Would you like to begin? (Y/n)" YorN
case $YorN in
Y|y)
RmLB
RmNonPrint
RplcW
RmWtSpc
QuChek
;;
N|n)
exit
;;
*)
echo "Invalid Selection"
;;
esac
除了輸出之外哪些函數不太正確,它給出:
==|LUN|mysql05-dbdat02|==|LUNName=|mysql05-dbdat02|CollectionStartTime=|2012-09-20T15:43:03-04:00|CollectionEndTime=|2012-09-20T15:43:34-04:00|Capacity|CurrentCapacity=|512|IOOperations|Reads=|100|Writes=|0|ReadsPerSecond=|0.000000|WritesPerSecond=|0.000000|ReadMBPerSecond=|0.000|WriteMBPerSecond=|0.000|TotalMBPerSecond=|0.000|NonOptimizedIOPerSecond=|0.000000|CacheHitPercentage=|0.000|PerformanceMetrics|TotalIOsPerSecond=|0.000|ReadIOsPerSecond=|0.000|WriteIOsPerSecond=|0.000|TotalMBPerSecond=|0.000|ReadMBPerSecond=|0.000|WriteMBPerSecond=|0.000|Performance|==|LUN|mysql05-dbdat02|==|LUNName=|mysql05-dbdat02|CollectionStartTime=|2012-09-20T15:43:03-04:00|CollectionEndTime=|2012-09-20T15:43:34-04:00|Capacity|CurrentCapacity=|512|IOOperations|Reads=|100|Writes=|0|ReadsPerSecond=|0.000000|WritesPerSecond=|0.000000|ReadMBPerSecond=|0.000|WriteMBPerSecond=|0.000|TotalMBPerSecond=|0.000|NonOptimizedIOPerSecond=|0.000000|CacheHitPercentage=|0.000|PerformanceMetrics|TotalIOsPerSecond=|0.000|ReadIOsPerSecond=|0.000|WriteIOsPerSecond=|0.000|TotalMBPerSecond=|0.000|ReadMBPerSecond=|0.000|WriteMBPerSecond=|0.000|Performance|
問題是等號後面出現的管道。如果有人能給我正確的方向,甚至可以透過線上資源進行一些澄清,我將不勝感激。
有趣的是,最終的結果是,雖然直接的請求是像上面的例子一樣格式化,但將其輸入 Unix cli 繪圖工具(我猜是 gnuplot)。據我了解,gnuplot 要求格式設定為列。如前所述,這對我來說是一個新領域,我將非常感謝您提供的任何建議。
答案1
我不太確定你想做什麼。使用您的第一個輸入文件,我創建了以下輸出:
LUNName=mysql05-dbdat02|CollectionStartTime=2012-09-20T15:43:03-04:00|CollectionEndTime=2012-09-20T15:43:34-04:00|Capacity|CurrentCapacity=512|IOOperations|Reads=100|Writes=0|ReadsPerSecond=0.000000|WritesPerSecond=0.000000|ReadMBPerSecond=0.000|WriteMBPerSecond=0.000|TotalMBPerSecond=0.000|NonOptimizedIOPerSecond=0.000000|CacheHitPercentage=0.000|PerformanceMetrics|TotalIOsPerSecond=0.000|ReadIOsPerSecond=0.000|WriteIOsPerSecond=0.000|TotalMBPerSecond=0.000|ReadMBPerSecond=0.000|WriteMBPerSecond=0.000|Performance|
有了這個 Perl One 襯墊:
perl -pe 's/\n/|/;s/\s*//g; s/:/=/; END{print "\n"}' file
你也可以這樣做:
sed -r 's/\s*//g; s/:/=/;' file | tr '\n' '|'
答案2
sed -e ':a;N;$!ba;s/\n/\|/g;s/: */=/g;s/ *//g' '<yourinputfilehere>' > '<youroutputfilehere>'
解釋:第一部分::a;N;$!ba;s/\n/\|/g
刪除所有換行符號並替換為 |關於語法的更好解釋在這裡:https://stackoverflow.com/questions/1251999/sed-how-can-i-replace-a-newline-n
第二部分,;s/: */==/g
將所有冒號後面接一個或多個空格替換為 ==
第三部分;s/ *//g
刪除所有單一或多個空格。
顯然你的輸入檔和輸出檔需要被替換。如果您想避免輸出檔案中的偵錯輸出,您可以 2> '/dev/null'
在末尾添加
我不太明白你的計劃是什麼,但你應該能夠從這裡實施它。