Hi, everybody.
I just wonder whether there are a couple of free Linux servers running as terminals where people can practice Unix Shell Programming?
I'd like to set up one myself but unfortunatly can't do it. I can't switch to Linux now coz I run a couple of servers on my machine.
Cygwin is... (3 Replies)
About 4 years ago I wrote this tool inspired by Rob Urban's collect tool for DEC's Tru64 Unix. What makes this tool as different as collect was in its day is its ability to run at a low overhead and collect tons of stuff. I've expanded the general concept and even include data not available in... (0 Replies)
I am doing the following script in k shell
sed -i 's/FILENAME/$i/g' TEST/test$j.ctl > TEST/control$j.ctl
In the file it replaces $i for all FILENAME, it doesnot replace with the value of i. I put single quotes like below
sed -i 's/FILENAME/'$i'/g' TEST/test$j.ctl > TEST/control$j.ctl
I... (9 Replies)
We develop software for diagnostic tools for cars. we a use a portable PC(x86) runs Win98 to run our applications.
Hence the working environment in the company is Windows, specifically we use BASIC to develop the GUI, communication functions, DLL, etc. and run them on the Win98 PC.
We suggested... (1 Reply)
Hello All,
Request any one of Unix/Linux masters to clarify on the below.
How far it is feasible to open a new ftp connection for transferring each file when there are multiple files to be sent. I have developed shell script to send all files at single stretch but some how it doesnt suit to... (3 Replies)
One of our database server is suddenly became very slow and i have no clue what to do .Please help. I m sharing the performance inforamtion regarding cpu,harddisk,ram .
########CPU Information########
Machine Uptime Information:
uptime
10:25:06 up 16:50, 1 user, load average: 5.84, 5.65,... (10 Replies)
Hi,
I have been working on Sun Solaris since a long time. Recently I got to work on RH Linux. My Linux version details are:
Linux 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
I have a simple command in my shell script:
export BKPTAG=`date... (3 Replies)
IN solaris, for network high-availability we are using IPMP concept, can u tell me in REDHAT LINUX what we are using... also pls share good step to read & understand the that concept...
Also performance issue in linux what are step & cmd can u tell me??? (2 Replies)
Hi All,
I am facing performance issue while rinning the LINUX shell script.
I have file1 and file 2. File one is the source file and file 2 is lookup file. Need to replace if the pattern is matching in file1 with file2.
The order of lookup file is important as if any match then exit... (8 Replies)
Hi,
I am beginner in shell scripting. I have written a script to parse file(s) having large number of lines each having multiple comma separated strings.
But it seems like script is very slow. It took more than 30mins to parse a file with size 120MB (523564 lines), below is the script code
... (4 Replies)
Discussion started by: imrandec85
4 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)