Hi guys, I hope you can help me with my problem.
I have a text file that contains lines like this:
78 ANGELO -809.05
79 ANGELO2 -5,000.06
I need to find all occurences of amounts that are negative and replace them with x's
78 ANGELO xxxxxxx
79... (4 Replies)
Okay, I have a script right now that is made to search through a file and replace certain strings with a new one. The format to execute is "/subst <replacethis> <withthis> <filename>" and it only updates the file IF changes are made (in order to preserve the time it was made/last modified). I have... (6 Replies)
I have an xml file with following tags
<NewTag>value123</xyz>
<NewTag>value321</abcd>
I have to replace the values in between the tags with some value ( VAL1/VAL2)
but the thing the ending tag can be any thing, for this i need a awk command
currently i am using this but it... (5 Replies)
Hi
I have a text file which contains the following.
AAA,BBB,CCC,DDD
AAA,BBB,CCC,DDD
AAA,BBB,CCC,DDD
How can I replace all CCC with 888, with other contents inside the file remain unchange? Please advice
Desired output:
AAA,BBB,888,DDD
AAA,BBB,888,DDD
AAA,BBB,888,DDD (1 Reply)
I have one string
string1=user/password:IP_ADDR:Directory
I need to replace string1 value like store into string2
string2=user password:IP_ADDR:Directory
i.e replace "/" character by '<space>' character
But i wouldn't use any file in the meantime.
Please help me......................... (6 Replies)
I need to search and replace a particular string in a file. Only the exact match of the string should be replaced.
eg: File contents : abc abcd abcdef
--> Replace only 'abc' with 'xyz', but it should not replace abcd with xyzd.
So the o/p should be: xyz abcd abcdef.
How can this be done? I... (5 Replies)
Hi All,
I have below file which has data in below format.
#$ | AB_100
| AB_300
()| AB_4
@*(% | AB-789
i want o/p as below format.
| AB_100
| AB_300
| AB_4
| AB-789
So here there is no standard format.
How we can achieve the same in unix ?
Regards, (3 Replies)
Dear Friends,
I want to replace following line with given line.
It should grep/search following string in a file (input.txt)
M/M SRNO: 000M/6200-0362498 COSMETIC PRO MALE FEMALE
Once found it should replace it to following string.
T_DLHNNO: 000M/6200-0362498 ... (7 Replies)
Hi,
I have a text file where all records come in one line (single line file), each record starts with 'BUCH' and ends with '@&' and if data is not there we get space instead. between '@&' and next record there might be some spaces, now I want to remove those spaces between '@&' and 'BUCH'.
... (4 Replies)
Hi,
Using the following command, I can only get rid of the last extension from my input file name:
parallel command '>' {.}.output ::: my.input.file
The output file is "my.input.output"
How can I get rid of the last two extensions of my input file name, so that end up with "my.output"?... (4 Replies)
Discussion started by: forU
4 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)