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Shell Programming and Scripting
Meaning
Post 302857557 by lg123 on Thursday 26th of September 2013 02:13:42 PM
09-26-2013
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1. Shell Programming and Scripting
#!/bin/sh
$ORACLE_HOME/bin/sqlplus -S $orauserid/$orapasswd@$oradb << _TMP
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. ${0%${0##*/}}Script_Name
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Can someone explain the use and meaning of "$*" expression. (2 Replies)
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I am trying to learn the serial mouse driver for linux kernel. On the kernel source tree I find out these macros and I am unable to find out the meaning of these macros. Please anyone help me to understand these.
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can some one please tell the meaning of the second statement i.e
n=${m#*=}
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result
-----------
mohit=/c/main/issue
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echo $n
RESULT
-------
/c/main/issue (1 Reply)
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Hi,
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7. Shell Programming and Scripting
can someone please tell what !* means in shell syntax.
Regards, (3 Replies)
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8. Shell Programming and Scripting
Hi ,
Can anyone please let me know whta the follwoing piece of code for
ScriptName=${0##*/}
if pgrep -f "$ScriptName" | grep -v "^$$\$" ; then
echo `date`": Sctipt $ScritName is already runnig"
exit
fi
Thnx a lot in advance
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Hi all,
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Hello everyone,
I'm looking for the meaning of this expression, as I don't understand it quite clearly : $1^
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I thought either:
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LEARN ABOUT X11R4
pwd
PWD(1) User Commands PWD(1) NAME
pwd - print name of current/working directory SYNOPSIS
pwd [OPTION]... DESCRIPTION
Print the full filename of the current working directory. -L, --logical use PWD from environment, even if it contains symlinks -P, --physical avoid all symlinks --help display this help and exit --version output version information and exit If no option is specified, -P is assumed. NOTE: your shell may have its own version of pwd, which usually supersedes the version described here. Please refer to your shell's docu- mentation for details about the options it supports. AUTHOR
Written by Jim Meyering. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report pwd translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
getcwd(3) Full documentation at: <http://www.gnu.org/software/coreutils/pwd> or available locally via: info '(coreutils) pwd invocation' GNU coreutils 8.28 January 2018 PWD(1)