在两种图案之间打印 [英] Print between two patterns

问题描述

如何在两种模式之间用awk打印，使这两种模式都位于第一行和最后一行而没有其他字符?

How to print with awk between two patterns in a way that these two patterns will be on first and last line allone without other characters?

awk '
/\\caption/{
  next
}
/\\begin|word1/{
  found=1
}
found;
/\\end|word2/{
  found=""
}
' file.txt

file.txt:

text
\begin
gdgs
\end}
text
word1
gdflgk
gfdsg
word2
fg

所需的输出:

\begin
gdgs
\end
word1
gdflgk
gfdsg
word2

现在输出:

\begin
gdgs
\end}
word1
gdflgk
gfdsg
word2

推荐答案

$ awk 'sub(/.*\\begin.*/,"\\begin"){f=1} f{ f=!sub(/.*\\end.*/,"\\end"); print}' file
\begin
gdgs
\end

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