07-28-2014
Quote:
Originally Posted by
theshashi
I tried some option before putting question here.
It's file if you don't know like me.
You only needed one option. Show us what you tried!
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1. Shell Programming and Scripting
I have a large csv file that looks like this:
14 ,M0081,+000000001,200302,+00000100500,
14 ,M0081,+000000004,200301,+00000100500,
14 ,M0081,+000000005,200305,+00000100500,
14 ,M0081,+000000000,200205,+00000100500,
14 ,M0081,+000000008,200204,+00000100500,
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2. Shell Programming and Scripting
HI ALL,
i have a problem when i do a sort sum with many fields.
Is there a limit for fields?
Do you know a solution?
thanks in advance.
the shell is:
# SORT1
SORT1_rcode=777
if ; then
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3. Shell Programming and Scripting
Hi I have following fixed width file and I have to sort on 2 fields
ABC 111222333002555 77788
ABC 111222333004555 77788
ABC 111222333001555 77788
ABC 111222333003555 77788
ABC 111222333005555 77788
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4. Shell Programming and Scripting
Hi experts,
I am trying sort command with my data but still not getting the expected results.
For example, I have 5 fields data here
c,18:12:45,c,c,c
d,12:34:34,d,d,d
a,13:50:10,a,a,a
b,13:50:50,b,b,b
a,13:50:50,a,a,a
b,14:10:01,b,b,b
c,10:12:45,c,c,c
I want to get
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Hi I would like to sort a csv file. It has 50 fields and approx 1400000 lines. I want to sort by three columns as follows. Say sort on coulmn 5, if entries are equal sort on column 3 if this is also equal sort on column 6.
It seems that this is possible for 5 then 3 i.e.
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Hey,
I have a file i want to sort. It contains these kind of lines:
FirstName LastName buyID buyType
Eg:
John Doe 22 Car
Jane Simpson 4 Headset
John Doe 11 Telephone
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7. Shell Programming and Scripting
I have a file with contents below
123,502
123,506
123,702
234,101
235,104
456,104
456,100
i want to sort such that i get a unique value in column A, and for those with multiple value in A, i want the lowest value in B.
output should be
123,502
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8. Shell Programming and Scripting
I have another file with three columns A,B,C as below
123,1,502
123,2,506
123,3,702
234,4,101
235,5,104
456,6,104
456,7,100
i want to sort such that i get a unique value in column A, and for those with multiple value in A, i want the lowest value in C.
output should be
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9. Shell Programming and Scripting
hi,
i'm having a file stg_ff.txt
which contains 10 fields,which contains millions of records
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can any body help me on this.
regards
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10. Shell Programming and Scripting
Hi
I have a file as below
<field1> <field2> <field3> ... <field_num1> <field_num2>
Trying to sort based on difference of <field_num1> and <field_num2> in desceding order and print all fields.
I tried this and it doesn't sort on the difference field .. Appreciate your help.
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LEARN ABOUT DEBIAN
shell-quote
SHELL-QUOTE(1p) User Contributed Perl Documentation SHELL-QUOTE(1p)
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 v5.8.4 2005-05-03 SHELL-QUOTE(1p)