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Top Forums UNIX for Beginners Questions & Answers Creating values based on position Post 303044986 by RudiC on Tuesday 10th of March 2020 08:17:33 AM
Old 03-10-2020
Quote:
Originally Posted by nezabudka
...
REMARK:
I forgot to indicate the anchor ^ of the beginning of the line,
only then the pattern of 'bcd' will exactly correspond to the third field by the comma separator
Code:
sed -r 's/^([^,]*,){2}bcd,.*,(.){4}.*/&,\2/'


And, the .* would allow for one or more comma-separated fields, both in the middle as well as at line end. You might want to anchor the regex at line end, too. Proposal (untested)


Code:
sed -r 's/^([^,]*,){2}bcd,.*,([^,]){4}[^,]*$/&,\2/'

This User Gave Thanks to RudiC For This Post:
 

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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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