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Full Discussion: Grep lines between two specific words after matching pattern
Top Forums UNIX for Beginners Questions & Answers Grep lines between two specific words after matching pattern Post 303044422 by MadeInGermany on Friday 21st of February 2020 05:07:15 AM
Old 02-21-2020
The previous did not work for me.
Perhaps because of the mistake that a test buffer makes assumptions about the contents that can go wrong.
Better have a separate state variable (here: buffer_on)
Code:
awk '
  buffer_on {
    buffer=buffer ORS $0
  }
  ! buffer_on && /Start/ {
    buffer_on=1
    buffer=$0
  }
  buffer_on && /End/ {
    if (buffer~/12345/) print buffer
    buffer_on=0
  }
' file

--- Post updated at 12:07 ---

Introducing a separator variable:
one can include/exclude the Start and/or End pattern by simply changing the order of the 3 code blocks.
Code:
awk '
  buffer_on {
    buffer=buffer ors $0
    ors=ORS
  }
  ! buffer_on && /Start/ {
    buffer_on=1
    buffer=ors=""
  }
  buffer_on && /End/ {
    if (buffer~/12345/) print buffer
    buffer_on=0
  }
' file

Code:
awk '
  ! buffer_on && /Start/ {
    buffer_on=1
    buffer=ors=""
  }
  buffer_on {
    buffer=buffer ors $0
    ors=ORS
  }
  buffer_on && /End/ {
    if (buffer~/12345/) print buffer
    buffer_on=0
  }
' file

Code:
awk '
  ! buffer_on && /Start/ {
    buffer_on=1
    buffer=ors=""
  }
   buffer_on && /End/ {
    if (buffer~/12345/) print buffer
    buffer_on=0
  }
  buffer_on {
    buffer=buffer ors $0
    ors=ORS
  }
' file

Code:
awk '
   buffer_on && /End/ {
    if (buffer~/12345/) print buffer
    buffer_on=0
  }
  buffer_on {
    buffer=buffer ors $0
    ors=ORS
  }
  ! buffer_on && /Start/ {
    buffer_on=1
    buffer=ors=""
  }
' file

 

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LEARN ABOUT DEBIAN

soprimitivevertexcache

SoPrimitiveVertexCache(3)					       Coin						 SoPrimitiveVertexCache(3)

NAME

       SoPrimitiveVertexCache -

SYNOPSIS

       Inherits SoCache.

   Public Types
       enum Arrays { NORMAL =  0x01, TEXCOORD =  0x02, COLOR =	0x04, ALL =  (NORMAL|TEXCOORD|COLOR) }

   Public Member Functions
       SoPrimitiveVertexCache (SoState *state)
       virtual ~SoPrimitiveVertexCache ()
       void renderTriangles (SoState *state, const int arrays=ALL) const
       void renderLines (SoState *state, const int arrays=ALL) const
       void renderPoints (SoState *state, const int array=ALL) const
       void addTriangle (const SoPrimitiveVertex *v0, const SoPrimitiveVertex *v1, const SoPrimitiveVertex *v2, const int *pointdetailidx=NULL)
       void addLine (const SoPrimitiveVertex *v0, const SoPrimitiveVertex *v1)
       void addPoint (const SoPrimitiveVertex *v)
       int getNumVertices (void) const
       const SbVec3f * getVertexArray (void) const
       const SbVec3f * getNormalArray (void) const
       const SbVec4f * getTexCoordArray (void) const
       const SbVec2f * getBumpCoordArray (void) const
       const uint8_t * getColorArray (void) const
       int getNumTriangleIndices (void) const
       const GLint * getTriangleIndices (void) const
       int32_t getTriangleIndex (const int idx) const
       SbBool colorPerVertex (void) const
       const SbVec4f * getMultiTextureCoordinateArray (const int unit) const
       int getNumLineIndices (void) const
       const GLint * getLineIndices (void) const
       int getNumPointIndices (void) const
       const GLint * getPointIndices (void) const
       void fit (void)
       void depthSortTriangles (SoState *state)

   Additional Inherited Members
Detailed Description
       The SoPrimitiveVertexClass is used to cache generated triangles.

Constructor &; Destructor Documentation
   SoPrimitiveVertexCache::SoPrimitiveVertexCache (SoState *state)
       Constructor.

   SoPrimitiveVertexCache::~SoPrimitiveVertexCache () [virtual]
       Destructor.

Author
       Generated automatically by Doxygen for Coin from the source code.

Version 3.1.3							  Wed May 23 2012					 SoPrimitiveVertexCache(3)
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