All -
I have a situation where I have some hardcoded directories in a file. I want to be able to search for string that I know will always be the same in each environment and then replace that entire line with the new environment specific information. I am using the sed command to do this, but... (2 Replies)
Hi,
I'm trying to use sed to delete the last three lines of a file. I currently have:
# get the amount of lines in the file
foldernum=`wc -l File_In.txt | cut -c1-8`
# remove the lines in the file
sed "${foldernum}-3,${foldernum}d" File_In.txt > File_Out.txt
I get the error - sed:... (5 Replies)
HELP!!!
I'm keep getting "sed: Function s/PETS/dog cannot be parsed."
I have 2 files that list...
# cat FILE1.txt
dog
cat
mouse
# cat FILE2.txt
my pets are
PETS
I put this into a variable...
# A=`cat FILE1.txt`
# sed "s/PETS/$A" FILE2.txt > FILE3.txt (5 Replies)
I'm trying to get sed to cut and replace using variables, but it doesnt seem to work, when I run this the mod time of the file does get updated. Is my syntax incorrect in the sed command?
Thanks
#!/usr/bin/ksh
#Modify header
set -x
HEAD=$(cat PBN2CPR1.TXT | awk 'BEGIN { FS = ","... (1 Reply)
GNU sed version 4.1.4 on Windows XP SP3 from GnuWin32
I think that I've come across a seemingly simple text file change problem on a INI formatted file that I can't do with SED without side effects edge cases biting me. I've tried to think of various ways of doing this elegantly and quickly... (5 Replies)
I am writing a script with a sed call that needs to use a variable and still have quotations be present in the substitution.
Example:
sed -i "s/Replacable.\+$/Replaced="root@$VAR"/g"
this outputs:
where $VAR = place
Replaced=root@place
and i need
Replaced="root@place"
... (2 Replies)
All
I am trying to produce the following in /etc/ssh/sshd_config,
# IPv4 only
#ListenAddress 0.0.0.0
# IPv4 & IPv6
ListenAddress ::
to
# IPv4 only
ListenAddress <user-entry>
ListenAddress <user-entry>
# IPv4 & IPv6
#ListenAddress ::
The number of user entries can vary.
... (1 Reply)
Im trying to use sed to print value that matches the value in variable and all lines after that.
grep "Something" test.txt | sed -e '/{$variable}/,$b' -e 'd'
I cant get it work, if I replace the $variable with the value it contains, it works fine... (10 Replies)
Hello,
I am processing text files looking for a string and replacing the first occurrence of the string with something else.
For the text,id Name
1 methyl-(2-methylpropoxy)-oxoammonium
2 N-amino-N-(methylamino)-2-nitrosoethanamine
3 3-methoxy-3-methyloxazolidin-3-ium... (12 Replies)
Discussion started by: LMHmedchem
12 Replies
LEARN ABOUT DEBIAN
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)
12-12-2013
