I have written a shell script and in my script i have a variable
filename=myfile.txt
now, i want another variable to be defined for which i have to strip out the extension fo the file name,
i.e. newvariable= myfile
how do i strip out the ".txt" part from my first variable.
Any kind of help... (4 Replies)
This command gives me just the filename without any extension:
evrvar =`echo filename.tar | sed 's/\.*$//'`
I am trying to make a change to this command... to make it work for... filename.tar.gz to get just the filename....
currently the command gives me filename.tar by removing only gz... I... (9 Replies)
hi all,
i'm new to shell scripting, i need help from u guys to do my task now..
i just need to check a file extension existence in a directory, and if it exists then i have to continue my processing.
pls give me the command to check the extension of the files (6 Replies)
unix program to which a directory name will be passed as
parameter. This directory will contain files with various
extensions. This script will create directories with the names of the
extention of the files and then put the files in the
corresponding folder. All files which do not have any... (2 Replies)
Hi Friends,
I am using the following command
for i in `ls $PWD`; do cat $i > test && mv test $i; done
But, I want to execute another command and write the output to another file with different extension but same name, like this
I tried using this
for i in `ls $PWD`; do... (2 Replies)
I have a list file that contains names of many files. I am reading one file name at a time using for loop
Then I like to create one more list file but with the file extension changed to "ctl".
Note: The file name can have any number of dots ".". But the extension after the last dot should be... (4 Replies)
Hi All,
I want to fetch the files based on .done file and display the .csv files and Wil take .csv files for processing.
1.I need to display the .done files from the directory.
2.next i need to search for the .Csv files based on .done file.then move .csv files for the one directory
... (2 Replies)
I'm afraid this is a silly question but I can't figure it out.
I have a script like so...
echo "Enter DRDL Signature Version Number"
read DRDL_Number
mv signature_output.csv SERVICE_OBJECTS_S-$DRDL_Number.csv
The resultant filename does not contain the .csv as follows.... (3 Replies)
I have a specific set (all ending with .bam) of downloaded files in a directory /home/cmccabe/Desktop/NGS/API/2-15-2016. What I am trying to do is use a match to $2 in name to rename the downloaded files. To make things a more involved the date of the folder is unique and in the header of name... (1 Reply)
Discussion started by: cmccabe
1 Replies
LEARN ABOUT SUNOS
ppmdither
ppmdither(1) General Commands Manual ppmdither(1)NAME
ppmdither - ordered dither for color images
SYNOPSIS
ppmdither [-dim power] [-red shades] [-green shades] [-blue shades] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input, and applies dithering to it to reduce the number of colors used down to the specified number of shades
for each primary. The default number of shades is red=5, green=9, blue=5, for a total of 225 colors. To convert the image to a binary rgb
format suitable for color printers, use -red 2 -green 2 -blue 2.
OPTIONS -dim power The size of the dithering matrix. The dithering matrix is a square whose dimension is a power of 2. power is that power of
2. The default is 4, for a 16 by 16 matrix.
-red shades The number of red shades to be used, including black; minimum of 2.
-green shades The number of green shades to be used, including black; minimum of 2.
-blue shades The number of blue shades to be used, including black; minimum of 2.
SEE ALSO pnmdepth(1), ppmquant(1), ppm(5)AUTHOR
Copyright (C) 1991 by Christos Zoulas.
14 July 1991 ppmdither(1)