Hi,
I have a file whose content and format at places is as given below.
print
coloumn ....
coloumn ....
coloumn ....
skip 1 line
print
coloumn ...
skip 1 line
I need to select the following :
print
coloumn ....
coloumn ....
coloumn... (2 Replies)
Hi
I need some help using shell script to edit a file.
My original file has the following format:
/txt/email/myemail.txt
/txt/email/myemail2.txt
/pdf/email/myemail.pdf
/pdf/email/myemail2.pdf
/doc/email/myemail.doc
/doc/email/myemail2.doc
I need to read each line. If the path is... (3 Replies)
I am using Fedora 8,Red hat 9.
Whenever we write a new command. Then we goto "/usr/bin" and then place this in this directory.And hence we can use it as a command anywhere from the terminal.
We generally see commands like "trap" which run only in bash shell.We also have other shell specific... (1 Reply)
Hi,
I got a long list of contents:
>sequence_1
ASSSSSSSSSSSDDDDDDDDDDDCCCCCCC
ASDSFDFFDFDFFWERERERERFSDFESFSFD
>sequence_2
ASDFDFDFFDDFFDFDSFDSFDFSDFSDFDSFASDSADSADASD
ASDFFDFDFASFASFASFAFSFFSDASFASFASFAFS
>sequence_3
VEDFGSDGSDGSDGSDGSDGSDGSDG
dDFSDFSDFSDFSDFSDFSDFSDFSDF... (2 Replies)
hi,
I need some help in writing shell script in a bourne shell.I am trying to rename the file..
eg.
find /root/data -type f -name "text*) | while read FILES
do
newfile=${FILES/type_2.0_20101208_34.xml / tmp.xml}
mv "$FILES" "$newfile"
done
above written script is working...If the... (7 Replies)
Hi,
I have a text file that has a long multi-line db2 CTE query. Now I want to store all the contents of this file (i.e. the entire query) in a shell script variable. I am trying to achieve it by this: query = `cat /Folder/SomeFile.txt` But when I echo the contents of this file by saying echo... (4 Replies)
How can I remove all data that contain domain e.g zzgh@something.com, sdd@something.com.my and gg@something.my in one file? so that i only have data without the domain in the file.
Here is the file structure "test.out"
more test.out
1 zzztop@b.com
1 zzzulll
1 zzzullll@s.com.my
... (4 Replies)
Hi
I am looking for a help in designing a bash script on linux which can do below:-
1) Look in a specific directory for any new files
2) Mail the content of the new file
Appreciate any help
Regards
Neha (5 Replies)
Hi Guru's,
I am new to shell scripting. I have a unique requirement:
The system generates a single pdf(/tmp/ABC.pdf) file with Invoices for Multiple Customers, the format is something like this:
Page1 >> Customer 1 >>Invoice1 + invoice 2 >> Page1 end
Page2 >> Customer 2 >>Invoice 3 + Invoice 4... (3 Replies)
I am new to shell scripting. I am interested how to know how to sort a content of a file using shell scripting.
I've attached the 'Input file' and the 'expected output' to this thread.
Details provided in the expected output file will provide details on how the sort needs to be done.
... (16 Replies)
Discussion started by: nkarthik_mnnit
16 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)