can u help me out to print last two words of each sentence of a file.
for example.
contents of input file:
i love songs
my favourite songs
sent
songs all kind
good buddy
Ouput file should contain:
love songs
favourite songs
sent
all kind
good buddy (5 Replies)
hi
i have a line
"abc,def,ghi,abc,def ,ghi,abc,def,ghi,abc,def ,ghi,abc,def,ghi,abc"
I want to print the no of words, words separated by comma
please help (3 Replies)
Hi, im having a problem with xargs, i want to cout word of each line in file, and i HAVE to use xargs, i tried:
cat file | xargs wc -w .....that uses all words in file like name of files and passed then to wc so it worte wc :somewordformfile is not i afile or directory
cat file | xargs -I{} wc... (3 Replies)
Hi experts
I need to pick 2 matched words from the same line.....
I have given below an example file
eg:
O14757 hsa04110 hsa04115 2 P38398 hsa04120 1
O15111 hsa04010 hsa04210 hsa04920 hsa04620 hsa04660 hsa04662 hsa05200 hsa05212 hsa05221 hsa05220 hsa05215 hsa05222 hsa05120 13 O14920... (4 Replies)
I would like to cut words based on the word count of a line. This over here inspired me with some ideas but I wasn't able to get what I needed.
https://www.unix.com/shell-programming-scripting/105841-count-words-each-line-file-using-xargs.html
If the line has 6 words I would like to use this.... (8 Replies)
Hi,
Please suggest a way to print number of words in the end of each line.
<input file>
red aunt house
blue sky
bat and ball game
<output file>
red aunt house 3
blue sky 2
bat and ball game 4
Thanks! (2 Replies)
Hi all,
I have a file in which each string from column 1 is associated with one or multiple strings from column 2. For an example, in the sample input below, Gene1 from column1 is associated with two different strings from column 2 (BP1 and BP2).For every unique string from column 1, I need to... (9 Replies)
Hi Folks :)
I have a .txt file with thousands of words. I'm trying to sort the lines in order based on number of words per line.
Example
from:
word
word word word
word word
word word word word
word
word word word
word word
to desired output:
word (2 Replies)
Discussion started by: martinsmith
2 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)