Hi,
I am looking for a way to redirect the result from a command into a variable.
This is the scenario.
Using the find command I will be getting multiple records/lines back.
Here is the command I am using:
find /”path”/ -name nohup.out -print
This now is giving me the paths and file... (1 Reply)
The following creates a needed awk command from some preexisting variables and stores it in the variable i. I then redirect it to a new file change the permission on the file and run it as a script.
How can I do a simple redirect on this variable to the command line, instead of creating a new... (8 Replies)
I want to instert Category:XXXXX into the 2. line
something like this should work, but I have somewhere the wrong sytanx. something with the linebreak goes wrong:
sed "2i\\${n}Category:$cat\n"
Sample:
Titel Blahh Blahh abllk sdhsd sjdhf
Blahh Blah Blahh
Blahh
Should look like... (2 Replies)
I know this script is crummy, but I was just messing around.. how do I get sed's insert command to allow variable expansion to show the filename?
#!/bin/bash
filename=`echo $0`
/usr/bin/sed '/#include/ {
i\
the filename is `$filename`
}' $1
exit 0 (8 Replies)
I have file File1.txt in which i have to replace a text using sed command
File1.txt contents
EURAMOUNTTOBEREPLACED
I have a AIX shell script for replacing the text AMOUNTTOBEREPLACED
Contents of the shell script
sum=27
sed 's/AMOUNTTOBEREPLACED/"$sum"/g' File1.txt >> temp
mv temp... (5 Replies)
Hi,
I want to insert some text in the begning of each line. But issue is the text that i want to insert is stored into one variable. so my command look like
constr="`date | awk '{print $3"-"$2"-"$6}'`",MXGBTST1" "
sed 's/^/\$constr/g' alert_temp.csv
but sed command instead of taking... (3 Replies)
Hi All,
Can I use a variable (using this variable as a counter) in sed cmd?
something like below
sed -n '${COUNT}p'
But it's not working. Pls help.
Thanks.
Regards,
Amee
export COUNT=1
export COUNTER=`cat ${BINPATH}/$ALLOC_FILE.clean_1 | wc -l | tr -d " "`
while ... (3 Replies)
Hi,
How can I redirect the output of a following command to a variable.
ftp myservername
ftp> user
(username) guptaji
331 Password required for guptaji.
Password:
ftp> size /home/salil/abc.dat
ftp> a='size /home/salil/abc.dat'
?Invalid command
I want to redirect value of size to... (1 Reply)
Hi All,
How can i use a variable in a sed command ? I cant seem to get it to work as at present its just printing $i at the start of every line rather than the variable $1.
sed -e "s/^/\$i,|/"
Any help would be appreciated. (3 Replies)
Hi All,
Please help me with the below problem
if
then
$a=" "
fi
echo "ABC1abc" | sed 's/a/'$a'/'
The required output is : ABC abc
But I am getting the below error:
sed: -e expression #1, char 4: unterminated `s' command
Please help. (6 Replies)
Discussion started by: rahulsk
6 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)