10-19-2012
Quote:
Originally Posted by
mouchkam
When I run this script (from rdrtx1), it seems to have taken out all of the rows that have any zeros and not just rows for which all four columns have zeros. Also, is there a way to print the data following row removal into a new file?
just redirect the output to a new file....
9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi All,
I needd to convert values in a row to a column.
eg: Input is as: value1,value2,value3,value4,.........,value N
Required Output:
Value1
Value2
Value3
.
.
.
Value N
Please help.... (3 Replies)
Discussion started by: sambaman
3 Replies
2. UNIX for Dummies Questions & Answers
How can you delete a row if a certain column is bigger than a certain number?
I have the following input:
20080709 20081222 95750 1 0 0.02 94.88
20080709 20081222 95750 2 0 0.89 94.88
20080709 20081222 9575 1 0 0 94.88
20080709 20081222 9575 2 0 0 94.88
20080709 20081222 9587.5 1 0 0... (1 Reply)
Discussion started by: Pep Puigvert
1 Replies
3. UNIX for Dummies Questions & Answers
How can you delete a row if a certain column is bigger than a certain number?
I have the following input:
20080709 20081222 95750 1 0 0.02 94.88
20080709 20081222 95750 2 0 0.89 94.88
20080709 20081222 9575 1 0 0 94.88
20080709 20081222 9575 2 0 0 94.88
20080709 20081222 9587.5 1 0 0... (6 Replies)
Discussion started by: Pep Puigvert
6 Replies
4. Shell Programming and Scripting
HI,
I need to arrange values of a colum in row.
e.g.
input file :
Alpha<>123
AAAA<>6754
Beta<>456
BBBB<>63784
CCC<>783
Gama<>789
Alpha<>555
AAAA<>6754
BBBB<>63784
Beta<>666
CCC<>783
Gama<>888 (9 Replies)
Discussion started by: The_Archer
9 Replies
5. Shell Programming and Scripting
Hi,
I have a file which consists of two columns but the first one can be varying in length like
123456789 0abcd
123456789 0abcd
4015 0 0abcd
5000 0abcd
I want to go through the file reading each line, count the number of characters in the first column and delete... (2 Replies)
Discussion started by: swasid
2 Replies
6. Shell Programming and Scripting
Hi,
I have the following file,
chr1 100 200 20
chr1 201 300 22
chr1 220 345 23
chr1 230 456 33.5
chr1 243 567 90
chr1 345 600 20
chr1 430 619 21.78
chr1 870 910 112.3
chr1 914 920 12
chr1 930 999 13
My output would be
peak1 20 22 23 33.5 90
peak2 20 21.78 112.3 12 13
Here the... (3 Replies)
Discussion started by: jacobs.smith
3 Replies
7. Shell Programming and Scripting
(14 Replies)
Discussion started by: dhruuv369
14 Replies
8. Shell Programming and Scripting
Hi ,
I have been trying to write a awk script which will have the following Output
1. Append the last Characters of the lines matching pattern xxxxxxxxx & then a space & then Append the last Characters of the lines matching pattern yyyyyyyyy
2. the process will continue till end of file &... (10 Replies)
Discussion started by: newageBATMAN
10 Replies
9. Programming
Dear Folks
Hello
I have a column of numbers, say:
26
79
68
I want to add one to each row value and get this desire column:
26
27
79
80
68
69 (6 Replies)
Discussion started by: sajmar
6 Replies
LEARN ABOUT CENTOS
shell-quote
SHELL-QUOTE(1) User Contributed Perl Documentation SHELL-QUOTE(1)
NAME
shell-quote - quote arguments for safe use, unmodified in a shell command
SYNOPSIS
shell-quote [switch]... arg...
DESCRIPTION
shell-quote lets you pass arbitrary strings through the shell so that they won't be changed by the shell. This lets you process commands
or files with embedded white space or shell globbing characters safely. Here are a few examples.
EXAMPLES
ssh preserving args
When running a remote command with ssh, ssh doesn't preserve the separate arguments it receives. It just joins them with spaces and
passes them to "$SHELL -c". This doesn't work as intended:
ssh host touch 'hi there' # fails
It creates 2 files, hi and there. Instead, do this:
cmd=`shell-quote touch 'hi there'`
ssh host "$cmd"
This gives you just 1 file, hi there.
process find output
It's not ordinarily possible to process an arbitrary list of files output by find with a shell script. Anything you put in $IFS to
split up the output could legitimately be in a file's name. Here's how you can do it using shell-quote:
eval set -- `find -type f -print0 | xargs -0 shell-quote --`
debug shell scripts
shell-quote is better than echo for debugging shell scripts.
debug() {
[ -z "$debug" ] || shell-quote "debug:" "$@"
}
With echo you can't tell the difference between "debug 'foo bar'" and "debug foo bar", but with shell-quote you can.
save a command for later
shell-quote can be used to build up a shell command to run later. Say you want the user to be able to give you switches for a command
you're going to run. If you don't want the switches to be re-evaluated by the shell (which is usually a good idea, else there are
things the user can't pass through), you can do something like this:
user_switches=
while [ $# != 0 ]
do
case x$1 in
x--pass-through)
[ $# -gt 1 ] || die "need an argument for $1"
user_switches="$user_switches "`shell-quote -- "$2"`
shift;;
# process other switches
esac
shift
done
# later
eval "shell-quote some-command $user_switches my args"
OPTIONS
--debug
Turn debugging on.
--help
Show the usage message and die.
--version
Show the version number and exit.
AVAILABILITY
The code is licensed under the GNU GPL. Check http://www.argon.org/~roderick/ or CPAN for updated versions.
AUTHOR
Roderick Schertler <roderick@argon.org>
perl v5.16.3 2010-06-11 SHELL-QUOTE(1)