Hi
I want to change the following
passwd: files nis
group: files nis
in /etc/nsswitch.conf
to be
passwd: files compat
group: files compat
I tried
cp -p nsswitch.conf nsswitch.conf.old (3 Replies)
Hello All,
I have 2 files
1 ) source file eg
asasa 1.2.3.4 adfhsdfsdfasdf
zxzxzx 2.3.4.56 dsadasdasdsadasd
kjjkjkjk 30.3.4.5 asdsadsadsadsadsad
vxcvxcvx 1.2.3.4 qwewqewqeqweqwe
2) patern file
1.2.3.4 A
2.3.4.56 B
30.3.4.5 C
I need the source to be changed to
asasa A... (2 Replies)
Hello Freinds,
Hope, you all are doing well.
I have to replace the static strings from one file (File 1) with the dynamic strings from the another file (File2). I've written a shell script for this.Below is the contents. while read line
do
field=`echo $line | awk '{print $1}'`
... (9 Replies)
Hi All,
I have a file, let's call it "info.tmp" that contains data like this ..
ABC123456
PCX333445
BCD789833
I need to read "info.tmp" and for each line add strings in a way that the final output is
put /logs/ua/dummy.trigger 'AAA00001.FTP.XXX.BLA03A01.xxxxxx(+1)'
where XXX... (5 Replies)
Hi There...
I need to serach and replace a strings in a text file.
My file has; books.amazon='Let me read' and the output needed is
books.amazon=NONFOUND
pls if anybody know this can be done in script sed or awk.. i have a list of different strings to be repced by NONFOUND.... (7 Replies)
Hi There...
I need to serach and replace strngs in a text file.
My file has;
books.amazon='Let me read'
news.bestseller='xyz'
expected output is
books.amazon=NONFOUND
news.bestseller=NONFOUND
Can I first find the text between string1= books.amazon=' and string2= ' (locate the text... (1 Reply)
Please I want to replace all the contents beween "Section" and "Ensection" in file1 with all contents in file2. Example:
file1:
Section "Screen"
DefaultDepth 24
SubSection "Display"
Depth 8
ViewPort 0 0
Modes "1024x768" "800x600" "640x480"
EndSubsection
SubSection "Display"
Depth... (9 Replies)
Hi i am having XML file with many number of lines,I need to replace between two strings with .txt file using awk.
For ex
<PersonInfoShipTo ------------------------------ />
My requirement is to replace the content between
<PersonInfoShipTo ------------------------------ />
help me.
Thanks... (9 Replies)
Hi,
I have an array variable "arr" that reads string from a file "vari.txt". Thus, the array will be of variable length depending how many entries are present in "vari.txt"
I use a for loop to traverse through the array.
vari.txt (in this sample we have 2 entries, but it can have more... (5 Replies)
Dear All,
I am having a requirement to find the difference between 2 files and generate a discrepancy report out of it as an html page. I prefer using diff -y file1 file2 since it gives user friendly layout to know any discrepancy in the record and unique records among the 2 file. Here's how it... (12 Replies)
Discussion started by: Badhrish
12 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)