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UNIX for Dummies Questions & Answers
Question regarding Cat
Post 302585346 by methyl on Wednesday 28th of December 2011 07:15:49 AM
12-28-2011
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Does anyone know what the microprograms behind cat (and other commands) are like? In what language are those programs designed? Is their source available somewhere?
No particular reason, just wondering.
I know it's a bit strange... (3 Replies)
Discussion started by: sanchopansa
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2. UNIX for Dummies Questions & Answers
Hi
Can anybody tell the difference between Difference between cat , cat > , cat >> and touch command in UNIX?
Thanks (6 Replies)
Discussion started by: skyineyes
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3. Shell Programming and Scripting
hi all
i have some script
echo $$ > process-id
d='cat process-id'
if test-s "TMP"$d then
echo "serv1"
else
echo "serv2"
fi
the variable d should contain the number of the process,
instead of that it contains 'cat process-id'
how shall i do that the d will contain only the number?... (6 Replies)
Discussion started by: naamas03
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4. Shell Programming and Scripting
Hello Friends,
I have a question, i am trying to write a shell script in the bash shell.
#!/bin/sh
NAWK=/bin/nawk
AWK=/bin/awk
FIX_XML_PATH=/home/administrator/testfix/fix/
Y=`ls $FIX_XML_PATH | grep xml`
echo $Y
cat $Y
in this case when i do the echo $Y command it gives me the... (11 Replies)
Discussion started by: asirohi
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5. OS X (Apple)
Hello,
I am trying to send text to a USB to serial adaptor and then to an external speech synthesizer. I tried using the cat and echo commands with no luck. I have gotten some audio output from my synthesizer using Kermit a terminal emulator, so I am pretty sure my synthesizer and my USB to serial... (1 Reply)
Discussion started by: jamesapp
1 Replies
6. Shell Programming and Scripting
I am having problems getting a list of filenames that I want from a directory.
example: I have 3 files - filename.xxx.20110505.123030
filename.yyy.20110505.123030
filename.zzz.20110505.123030
There may be multiple xxx,... (3 Replies)
Discussion started by: Drenhead
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7. Shell Programming and Scripting
Can any one guide me how can i accomplish this by script
i continuously receive files via our ftp server into a certain folder is there a way i can take those files cat it to a new file by hour and create a new file when new hour starts? (4 Replies)
Discussion started by: shehzad_m
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8. Shell Programming and Scripting
hello! why this works?
cd /home/user
cat * | ecasound -i stdin -o jack
and this doesn't?
cd /home/user/somedirectory
cat * | ecasound -i stdin -o jack
somedirectory are full with exe files which are the best source for this sort of noise thing (10 Replies)
Discussion started by: karlhungus
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9. Shell Programming and Scripting
Apologies, probably a really simple problem:
I've got a text file (nh.txt) with this in it:
user1 email1 email2
user2 email1 email2
etc
With the following basic script:
for tline in $(cat nh.txt)
do
echo "**********"
echo $tline
done
... (3 Replies)
Discussion started by: nelmo
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10. Homework & Coursework Questions
For the command below, I need to understand what exactly the command does and provide an examples for which the output will be saved to file save2... From my understanding, if the file provides an error in the first half of the pipe, it'll save to save1 and will never give an error to save to... (2 Replies)
Discussion started by: ayz649
2 Replies
LEARN ABOUT DEBIAN
gdcmtar
gdcmtar(1) GDCM gdcmtar(1) NAME
gdcmtar - Concatenate/Extract DICOM files. SYNOPSIS
gdcmtar [options] file-in file-out DESCRIPTION
The gdcmtar is a command line tool used to tar/untar multi-frames images (including SIEMENS MOSAIC file) PARAMETERS
file-in DICOM input filename file-out DICOM output filename options options --enhance enhance (default) -U --unenhance unenhance -M --mosaic Split SIEMENS Mosaic image into multiple frames. -p --pattern Specify trailing file pattern. --root-uid Root UID. general options -h --help print this help text and exit -v --version print version information and exit -V --verbose verbose mode (warning+error). -W --warning warning mode, print warning information -E --error error mode, print error information -D --debug debug mode, print debug information environment variable GDCM_ROOT_UID Root UID Typical usage SIEMENS Mosaic $ gdcminfo MR-sonata-3D-as-Tile.dcm MediaStorage is 1.2.840.10008.5.1.4.1.1.4 [MR Image Storage] TransferSyntax is 1.2.840.10008.1.2.1 [Explicit VR Little Endian] NumberOfDimensions: 2 Dimensions: (384,384,1) ... $ gdcmtar --mosaic -i MR-sonata-3D-as-Tile.dcm -o mosaic --pattern %03d.dcm Will output: -rw-r--r-- 1 mathieu mathieu 72882 2009-08-10 11:14 mosaic000.dcm -rw-r--r-- 1 mathieu mathieu 72886 2009-08-10 11:14 mosaic001.dcm -rw-r--r-- 1 mathieu mathieu 72886 2009-08-10 11:14 mosaic002.dcm -rw-r--r-- 1 mathieu mathieu 72886 2009-08-10 11:14 mosaic003.dcm -rw-r--r-- 1 mathieu mathieu 72886 2009-08-10 11:14 mosaic004.dcm -rw-r--r-- 1 mathieu mathieu 72886 2009-08-10 11:14 mosaic005.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic006.dcm -rw-r--r-- 1 mathieu mathieu 72882 2009-08-10 11:14 mosaic007.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic008.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic009.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic010.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic011.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic012.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic013.dcm -rw-r--r-- 1 mathieu mathieu 72882 2009-08-10 11:14 mosaic014.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic015.dcm -rw-r--r-- 1 mathieu mathieu 72882 2009-08-10 11:14 mosaic016.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic017.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic018.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic019.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic020.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic021.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic022.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic023.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic024.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic025.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic026.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic027.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic028.dcm -rw-r--r-- 1 mathieu mathieu 72884 2009-08-10 11:14 mosaic029.dcm -rw-r--r-- 1 mathieu mathieu 72882 2009-08-10 11:14 mosaic030.dcm $ gdcminfo mosaic000.dcm MediaStorage is 1.2.840.10008.5.1.4.1.1.4 [MR Image Storage] TransferSyntax is 1.2.840.10008.1.2.1 [Explicit VR Little Endian] NumberOfDimensions: 2 Dimensions: (64,64,1) ... SEE ALSO
gdcmdump(1), gdcmraw(1), gdcminfo(1) COPYRIGHT
Copyright (c) 2006-2011 Mathieu Malaterre Version 2.2.0 Tue Feb 5 2013 gdcmtar(1)