10-12-2010
Wow! thats crazy. I will try it and let you know. Thanks for the help.
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Hi to everyone!!. Here's my stupid question of the day.
When I have to rename a file I use "mv filename newfilename".
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Can someone please tell me how I can rename a bunch of files at a time. I hava a directory that has 700+ files that are named
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Hi All my dear friends
I had multiple files in my directory with .pcv and .sqv extn
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Hi,
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I have to rename 100+ files at a time on the server
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I have multiple gif files in a directory with different names.
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.
.
.
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Hi,
Can we rename multiples files using find or awk utility?
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Hi,
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LEARN ABOUT DEBIAN
grd2cpt
GRD2CPT(l) GRD2CPT(l)
NAME
grd2cpt - Read a grdfile and make a color palette file
SYNOPSIS
grd2cpt grdfile [ -Ccptmaster ] [ -I ] [ -Lminlimit/maxlimit ] [ -Szstart/zstop/zinc ] [ -V ] [ -Z ]
DESCRIPTION
grd2cpt reads a grdfile and writes a color palette (cpt) file to standard output. The cpt file is based on an existing master cptfile of
your choice, and the mapping from data value to colors is through the data's cumulative distribution function (CDF), so that the colors
are' histogram equalized. Thus if the resulting cpt file is used with the grdfile and grdimage with a linear projection, the colors will be
uniformly distributed in area on the plot. Let z be the data values in the grdfile. Define CDF(Z) = (# of z < Z) / (# of z in grdfile).
(NaNs are ignored). These z-values are then normalized to the master cptfile and colors are sampled at the desired intervals.
grdfile
The 2-D binary grdfile used to derive the color palette table.
OPTIONS
-C Selects the master color table to use in the interpolation. Choose among the built-in tables (type grd2cpt to see the list) or give
the name of an existing cptfile [Default gives a rainbow cpt file].
-I Reverses the sense of color progression in the master cptfile.
-L Limit range of cptfile to minlimit/maxlimit, and don't count data' outside range when estimating CDF(Z). [Default uses min and max
of data.]
-S Set steps in cpt file. Calculate entries in cptfile from zstart to zstop in steps of (zinc). [Default chooses arbitrary values by a
crazy scheme.]
-V Verbose operation. This will write CDF(Z) estimates to stderr. [Default is silent.]
-Z Will create a continuous color palette. [Default is discontinuous, i.e., constant color intervals]
EXAMPLES
Sometimes you don't want to make a cpt file (yet) but would find it helpful' to know that 90% of your data lie between z1 and z2, something
you cannot learn from grdinfo. So you can do this to see some points on the CDF(Z) curve (use -V option to see more):
grd2cpt mydata.grd -V > /dev/null
To make a cpt file with entries from 0 to 200 in steps of 20, and ignore data below zero in computing CDF(Z), and use the built-in master
cptfile relief, try
grd2cpt mydata.grd -Crelief -L0/10000 -S0/200/20 > mydata.cpt
SEE ALSO
gmtdefaults(1gmt), gmt(1gmt), grdhisteq(1gmt), grdinfo(1gmt), makecpt(1gmt)
1 Jan 2004 GRD2CPT(l)