cat myname.txt
John Doe I
John Doe II
John Doe III
-----------------------------------------------------------------------
for i in `cat myname.txt`
do
echo This is my name: $i >> thi.is.my.name.txt
done
-----------------------------------------------------------------------
cat... (1 Reply)
Hi All,
This is actually a good interview question.
On linux, the permissions and group for 'shutdown' and 'cat' is the same.
-rwxr-xr-x 1 root root 18K 2008-05-21 10:43 shutdown
-rwxr-xr-x 1 root root 17K 2007-01-30 19:51 cat
Then why is it that a... (5 Replies)
Hello, I'm starting from the scratch with Unix, and I was wondering if you could give me an answer for this problem...
I've got a column with different names of files, something like:
./file1
./file2
...
Now, I would like to show the content of each file. The column with the names comes... (5 Replies)
Hello,
So I sorted my file as I was supposed to:
sort -n -r -k 2 -k 1 file1 | uniq > file2
and when I wrote
> cat file2
in the command line, I got what I was expecting, but in the script itself
...
sort -n -r -k 2 -k 1 averages | uniq > temp
cat file2
It wrote a whole... (21 Replies)
I have a file named filelist. the content is a list of files including the path.
$ cat filelist
$curdir/test1
$curdir/test2
I want to cat each file in the list, such as cat $curdir/test1, cat $curdir/test2. (The $curdir has been exported).
it can't open the test1/test2, it can't change... (3 Replies)
I want to concatenate 100 files to one file and append file name in each record to find out which file it came from
for a in $(<shal_group)
do
cat $a >> bigoutput.group
The above code put all files in one file but i want file name appended to each file
Record should be like this... (3 Replies)
I have two files as below
1.txt
AA 123
CC 145
DD 567
2.txt
AA 111
YY 128
CC 144
FF 222
DD 777
ZZ 875
basically 1.txt is updated file, if i do cat 1.txt 2.txt output should be as below
o/p (4 Replies)
Hi,
When I was analyzing the code I got below line.
cat - << 'EOF' >> ${FILE PATH}
I surfed net to understand but I couldn't get what is about.
Please help me out. (2 Replies)
Discussion started by: stew
2 Replies
LEARN ABOUT ULTRIX
ppmtosixel
ppmtosixel(1) General Commands Manual ppmtosixel(1)NAME
ppmtosixel - convert a portable pixmap into DEC sixel format
SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC
LJ250 color inkjet printer.
If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table
begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file.
OPTIONS -raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com-
pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni-
tude larger than a compressed file and prints much slower.
-margin
If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci-
fied, a 1.5 inch left margin will offset the image.
PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?.
BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was
greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the
color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation.
SEE ALSO ppm(5)AUTHOR
Copyright (C) 1991 by Rick Vinci.
26 April 1991 ppmtosixel(1)