That was only an example to justify removing the inner pair of single quotes.
However once we are inside a shell script we need to lose the single quotes completely or they will stop the substitution of $3.
Obviously the same error is in all the "sed" statements but it only goes wrong of the parameter contains space characters.
I am trying to strip all leading and trailing spaces of a shell variable using either awk or sed or any other utility, however unscuccessful and need your help.
echo $SH_VAR | command_line Syntax.
The SH_VAR contains embedded spaces which needs to be preserved. I need only for the leading and... (6 Replies)
Please Help!!
Here is a very simplistic example of what I am trying to accomplish.
I need what I have inbetween the quotes to be read into the shell variable.
x="This is fun"
echo $x
The results of x from the above expression is:
This is fun
Notice the unix takes out the... (1 Reply)
Hello all
i need to pass to my shell script parameter that looks like "2 3 3"
inside the script i need to use this string that looks like this "2 3 3"
but when i try to print the script im getting syntax error , this is my script :
set s = $1
echo $s (1 Reply)
HI
In my script, i am reading the input from the user and want to find the length of the string.
The input may contain leading spaces. Right now, when leading spaces are there, they are not counted.
Kindly help me
My script is like below. I am using the ksh.
#!/usr/bin/ksh
echo... (2 Replies)
Hi,
I,m writing a program in shell script and currently this script is calling a java program.
I have a problem to pass string variable from my shell script to the java program. I don't know on how to pass it and how the java program can call what I have pass from the shell script.
This is... (3 Replies)
I'm a beginner and wasn't able to google my problem...
I would like to pass a string with spaces to a shell script.
my test_shell:
#!/bin/sh -vx
#######################################################
# generate_documentation (c) Ch.Affolter Nov. 2009 Version 1.0 #... (3 Replies)
My shell script generates a bunch of lines of text and passes this text as an argument to a perl script.
I'm able to do this, but for some reason newlines don't get recognized in the perl script and so the script just prints actual '\n' instead of carriage returning, otherwise everything gets... (3 Replies)
I need call expect script from shell script and pass values some of which could contain space. How to make expect to treat such values as one variable? (1 Reply)
There's a JavaScript file that I call from command line (there's a framework) like so:
./RunDiag.js param1:'string one here' param2:'string two here'
I have a shell script where I invoke the above command. I can run it in a script as simple as this
#!/bin/bash
stuff="./RunDiag.js... (4 Replies)
Hello,
I am trying to execute an SQL query from shell script.
A part of script is something like this:
fromDate=`echo $(date +"%F%T") | sed "s/-//g" | sed "s/://g"`
$ORACLE_HOME/sqlplus -s /nolog <<EOD1
connect $COSDBUID/$COSDBPWD@$COSDBSID
spool... (4 Replies)
Discussion started by: sanketpatel.86
4 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)