Thanks for reply Franklin52 and Yogesh Sawant. I am not able to get whole command working since I am not able to pass value to suggested command through variable. Below command does not work.
Gents,
from these sample lines:
ZUCR.MI ZUCCHI SPA RISP NC 2,5000 6 ott 0,0000
ZV.MI ZIGNAGO VETRO 3,6475 16:36 Up 0,0075
is it possible to get this:
ZUCR.MI 2,5000
ZV.MI 3,6475
i.e. the first field, a separator and the first decimal number?
(in Europe we... (9 Replies)
Hi,
the text line looks like this:
"test1" " " "test2" "test3" "test4" "10" "test 10 12" "00:05:58" "filename.bin" "3.3MB" "/dir/name" "18459"
what's the best way to select any of it? So I can for example get only the time or size and so on.
I was trying awk -F""" '{print $N}' but... (3 Replies)
needa c program to extract text between two delimiters from some text file.
and then storing them in to diffrent variables ?
text file like 0:
abc.txt
=========
aaaaaa|11111111|sssssssssss|333333|ddddddddd|34343454564|asass
aaaaaa|11111111|sssssssssss|333333|ddddddddd|34343454564|asass... (7 Replies)
The text line has the following formats:
what.ever.bla.bla.C01G06.BLA.BLA2
what.ever.bla.bla.C11G33.BLA.BLA2
what.ever.bla.bla.01x03.BLA.BLA2
what.ever.bla.bla.03x05.BLA.BLA2
what.ever.bla.bla.Part01.BLA.BLA2
and other similar ones, I need a way to select the "what.ever.bla.bla" part out... (4 Replies)
Hi
I want to extract certain text between two line numbers like
23234234324 and
54446655567567
How do I do this with a simple sed or awk command?
Thank you.
---------- Post updated at 06:16 PM ---------- Previous update was at 05:55 PM ----------
found it:
sed -n '#1,#2p'... (1 Reply)
FOLKS ,
i have a text file that is generated automatically of an another korn shell script, i want to bring in the fifth line of the text file in to my korn shell script and look for a particular word in the line . Can you all share some thoughts on this one.
thanks...
Venu (3 Replies)
Hi Guys,
Can someone help me with a way to extract text between two words on a single line.
For example if the file has below content I want to extract all text between b and f inclusive of b and f. Aparently sed does this but does it line by line and I guess it cannot read word by word.
... (11 Replies)
Hi
I have a very large data file with several hundred columns and millions of lines.
The important data is in the last set of columns with variable numbers of tab delimited fields in front of it on each line.
Im currently trying sed to get the data out - I want anything beetween :RES and... (4 Replies)
Hi
This is my first post and I'm just a beginner. So please be nice to me.
I have a couple of html files where a pattern beginning with "http://www.site.com" and ending with "/resource.dat" is present on every 241st line. How do I extract this to a new text file?
I have tried sed -n 241,241p... (13 Replies)
I am trying to extract the number in bold (leading zero removed) after Medexome_xx_numbertoextractin file and create an output using that extracted number. In the output the on thing that will change is the number the other test is static and will be the same each time. Thank you :).
file
... (8 Replies)
Discussion started by: cmccabe
8 Replies
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)