Hi beginner_99,
Note that the suggestions you have received work for your sample input (and any other input that has no comments or exactly one complete comment on each line). The suggestions will not work with the following "code":
Are either of these limitations a problem for the real data you will be processing?
hi,
i'm trying to erase all the characters after, and including, the first test test
Output: test1 test2 test3
this is what I tried, but didn't work
sed "s/*//" file > testfilename
any suggestions?
thanks,
gammmaman (2 Replies)
i need to use sed to remove an entire line containing a pattern stored in a variable say $var1
this var1 will be a URL and will therefore contain slashes
any help would be greatly appreciated (1 Reply)
I am working with bash on HP-UX server at school.
As practice for scripting, I am trying to make a pretend server admin script that adds a user to the system, deletes a user from the system, and lists all users of the pretend system. I have accomplished this with a select loop. Adding users, and... (2 Replies)
Okay, title is kind of confusion, but basically, I have a lot of scripts on a server that I need to replace a ps command, however, the new ps command I'm trying to replace the current one with pipes to sed at one point. So now I am attempting to create another script that replaces that line.
... (1 Reply)
Hello Friends, How can I remove the last two values of this line using sed
John Carey:507-699-5368:29 Albert way, Edmonton, AL 25638:9/3/90:45900
The result should look like this:
John Carey:507-699-5368:29 Albert way, Edmonton, AL 25638 (3 Replies)
All:
Can somebody help me out with a sed command, which removes the the first occurance of ')' until the end of the line
If I have the following input
... (5 Replies)
hi all,
I am having trouble finding the right string for this - I dont know whether to use awk or sed..
If I have a file with alot of names and phone numbers like this
McGowan,Sean 978-934-4000
Kilcoyne,Kathleen 603-555-1212
Club603,The 617-505-1332
Boyle,William 301-444-1221
And... (11 Replies)
Hi I am trying to remove all the symbols in a file (testfile1) and using the below command to do that. Its not working for me. Can you help me on what is wrong with below script?
I want to retain only alphabets in a file and remove all the symbols like *:.+= etc
sed 's/^.//g' testfile1 > testfile2 (4 Replies)
Hello.
The token is any printable characters between 2 " .
The token is unknown, but we know that it is between 2 "
Tok 1 : "1234x567"
Tok 2 : "A3b6+None"
Tok 3 : "A3b6!1234=@"
The ligne is :
Line 1 :
"9876xABCDE"Do you have any code fragments or data samples in your post
Line 2 : ... (3 Replies)
my requirement is,
consider a file output
cat output
blah sdjfhjkd jsdfhjksdh
sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf
hellow there
this doesnt look good
et cetc etc
etcetera
i want to replace a line of line number 4 ("this doesnt look good") with some other line
... (3 Replies)
Discussion started by: vivek d r
3 Replies
LEARN ABOUT LINUX
shtool-subst
SHTOOL-SUBST.TMP(1) GNU Portable Shell Tool SHTOOL-SUBST.TMP(1)NAME
shtool-subst - GNU shtool sed(1) substitution operations
SYNOPSIS
shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext]
[-e|--exec cmd] [-f|--file cmd-file] [file] [file ...]
DESCRIPTION
This command applies one or more sed(1) substitution operations to stdin or any number of files.
OPTIONS
The following command line options are available.
-v, --verbose
Display some processing information.
-t, --trace
Enable the output of the essential shell commands which are executed.
-n, --nop
No operation mode. Actual execution of the essential shell commands which would be executed is suppressed.
-w, --warning
Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution
operations resulted in no content change on all files.
-q, --quiet
Suppress warning on substitution operation resulting in no content change.
-s, --stealth
Stealth operation. Preserve timestamp on file.
-i, --interactive
Enter interactive mode where the user has to approve each operation.
-b, --backup ext
Preserve backup of original file using file name extension ext. Default is to overwrite the original file.
-e, --exec cmd
Specify sed(1) command directly.
-f, --file cmd-file
Read sed(1) command from file.
EXAMPLE
# shell script
shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch]
# RPM spec-file
%install
shtool subst -v -n
-e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g'
-e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g'
`find . -name Makefile -print`
make install
HISTORY
The GNU shtool subst command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 2001 for GNU shtool. It was prompted
by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications.
SEE ALSO shtool(1), sed(1).
18-Jul-2008 shtool 2.0.8 SHTOOL-SUBST.TMP(1)