Problem: I have a shell script that will be called by a Perl module that will connect to a db and delete rows. The Perl module will be called by CRON. I am using a Perl module to call a shell script because I need to get the db connection from Perl.
Here is the Perl pseudocode:
... (4 Replies)
I'm trying to grep a long ls by looking at the beginning of each filename for example:
Many files begin with yong_ho_free_2005...
Many files begin with yong_ho_2005...
I can't just use "grep yong_ho" otherwise It'll display both files.
So I'm trying to use a regex but my syntax is wrong.
... (2 Replies)
Iam a learner of UNIX. Fortunately I got this site.
I want to check the file for its existance.
if
echo " Not present"
else
echo "Present"
fi
The above code is working fine. But I also want to check for the files which are compressed.
I tried the following code and it is not... (5 Replies)
Dear all
I am still bit new in shell script area.I am writing down a shell script which I guess somewhere wrong so please kindly correct it. I would be greatful for that.
What I actually want from this shell script is that it will move all the files one by one to another server which can be... (2 Replies)
i've looked at a bunch of the date comparison threads on these boards but unfortunately not been able to figure this thing out yet. still confused by some of the way conditionals handle variables...
here is what i where i am now...
# a bunch of initializition steps are here ...... (1 Reply)
I am trying to write a simple if statement but that driving me crazy:eek: with syntactical erorrs.
This is what I managed to come up
#!/bin/ksh
USERNAME=`whoami`
if ;then
echo " you have logged in as report user"
elif ; then
echo " you have logged in as extract user"
else " I dont... (3 Replies)
Hi,
I want to check if file(s) exist even in subdirectories and perform an action. After searching here couldn't find solution that would work, but made my own solution that works fine:
if
then
echo
egrep "$1|$2|$3" `find| grep MLOG`
else
echo "MLOG does not exist"
fiThat will check... (1 Reply)
I have a file name :
var=UsrAccChgRpt
I want to make them upper case.
Tried:
$var | tr
Error:
tr: Invalid combination of options and Strings.
Usage: tr | -ds | -s | -ds | -s ] String1 String2
tr { -d | -s | -d | -s } String1
Could you please help. I am using AIX... (2 Replies)
Hello,
Using Bash on Mac OS X 10.7.5 (Lion). I downloaded a GrowlSafari plugin for Webkit from its GitHub page GitHub - uasi/growl-safari-bridge: GrowlSafariBridge enables arbitrary javascript (including Safari Extensions) to notify via Growl.. In the description it says that after installing for... (0 Replies)
I need to find all files and folders containing keyword from the topmost directory deep down the tree but omitting all references to keyword in web-search logs and entries, i.e. excluding search and browsing history made using web-browser1, web-browser2, web-browser3, (bypassing all entries of the... (8 Replies)
Discussion started by: scrutinizerix
8 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)