12-20-2010
Read columns from delimited file in UNIX
Hello
I need to read the columns from a flat file delimited by Hex code X02.
The Sample file is
Red^B1000^BJohn
Blue^B2000^BSam
Green^B3000^BDan
Note: Hex code X02 shows as ^B in vi.
I need to read the file and process the columns in each row.
I tried using awk -F command but unable to provide hex or oct codes as delimiter. Please advice.
Thanks in advance.
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LEARN ABOUT XFREE86
glgetseparablefilter
GLGETSEPARABLEFILTER(3G) GLGETSEPARABLEFILTER(3G)
NAME
glGetSeparableFilter - get separable convolution filter kernel images
C SPECIFICATION
void glGetSeparableFilter( GLenum target,
GLenum format,
GLenum type,
GLvoid *row,
GLvoid *column,
GLvoid *span )
PARAMETERS
target The separable filter to be retrieved. Must be GL_SEPARABLE_2D.
format Format of the output images. Must be one of GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_BGR GL_RGBA, GL_BGRA, GL_LUMINANCE, or
GL_LUMINANCE_ALPHA.
type Data type of components in the output images. Symbolic constants GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT,
GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5,
GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1,
GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, and
GL_UNSIGNED_INT_2_10_10_10_REV are accepted.
row Pointer to storage for the row filter image.
column Pointer to storage for the column filter image.
span Pointer to storage for the span filter image (currently unused).
DESCRIPTION
glGetSeparableFilter returns the two one-dimensional filter kernel images for the current separable 2D convolution filter. The row image
is placed in row and the column image is placed in column according to the specifications in format and type. (In the current implementa-
tion, span is not affected in any way.) No pixel transfer operations are performed on the images, but the relevant pixel storage modes are
applied.
Color components that are present in format but not included in the internal of the filters are returned as zero. The assignments of
internal color components to the components of format are as follows:
-----------------------------------------
Internal Component Resulting Component
-----------------------------------------
Red Red
Green Green
Blue Blue
Alpha Alpha
Luminance Red
Intensity Red
-----------------------------------------
NOTES
glGetSeparableFilter is present only if GL_ARB_imaging is returned when glGetString is called with an argument of GL_EXTENSIONS.
Non-separable 2D filters must be retrieved with glGetConvolutionFilter.
ERRORS
GL_INVALID_ENUM is generated if target is not GL_SEPARABLE_2D.
GL_INVALID_ENUM is generated if format is not one of the allowable values.
GL_INVALID_ENUM is generated if type is not one of the allowable values.
GL_INVALID_OPERATION is generated if glGetSeparableFilter is executed between the execution of glBegin and the corresponding execution of
glEnd.
GL_INVALID_OPERATION is generated if type is one of GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, or
GL_UNSIGNED_SHORT_5_6_5_REV and format is not GL_RGB.
GL_INVALID_OPERATION is generated if type is one of GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1,
GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, or
GL_UNSIGNED_INT_2_10_10_10_REV and format is neither GL_RGBA nor GL_BGRA.
ASSOCIATED GETS
glGetConvolutionParameter
SEE ALSO
glGetConvolutionFilter(3G), glConvolutionParameter(3G), glSeparableFilter2D(3G)
GLGETSEPARABLEFILTER(3G)