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Shell Programming and Scripting
Understanding a Shell Script
Post 302402999 by angshuman_ag on Thursday 11th of March 2010 05:09:37 AM
03-11-2010
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello Friends,
I am new to the scripting & have to analyze bunch of regular production scripts. It has .ksh which calls on the .awk script having many functions
I need to understand and debug the scripts ASAP
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2. Shell Programming and Scripting
#! /usr/bin/ksh
old=$1
new=$2
for file in *.$old ; do
mv $file ${file%$old}$new
done
exit 0
This script i got from the forum. script changes the extension of the files say example
a.txt to a.doc
b.txt to b.doc
c.txt to c.doc
d.txt to d.doc
this scipt works fine but i am not... (2 Replies)
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Need a better understanding of shell scripts (14 Replies)
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Can someone explain what is happening line by line in this script, particularly after the do statement. The script works, it renames all the files in my directory that has a date in the file name. But I would like to know more about it.
#!/bin/bash
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for file in *--*
do
... (6 Replies)
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Hi
I have wrote the small script, where $SRC=$HOME
the input file is simple text file having directories in my $SRC on pre line
desktop
download
myfiles
games
#!/bin/bash
FILENAME=$1
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while read line
do
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Can Anybody please tell me the meaning of the script:
#!/bin/sh
str=$@
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7. Shell Programming and Scripting
Hi Gurus,
Im new to Shell scripting. I have a shell script which basically sends an email when called thorugh my ETL tool. Wanted to understand the its functionality in detail. Would be great it any one can explain what exactly the commands to
#!/bin/sh
# Dummy UUCP rmail command for... (1 Reply)
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8. Shell Programming and Scripting
Am still learning Scripting and I come across a build command that I don't really understand
if /local/bin/wsname 2>/dev/null; then
base="`/local/bin/wsname`"
export base
fi
if ; then
/local/bin/wsname
exit 1
fi
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Could someone please help me in understanding the code below:
#!/usr/bin/ksh
Month=`date|cut -c5-7`
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Below script is called as Reducer, I am not sure how it work, can some expert explain me what this script does as i am a beginner.
inputfile:
hi hi how are are you
code:
#!/bin/bash
lastkey=""; -- what does this mean, because i saw in debug mode it is taking value as hi
count=0;... (13 Replies)
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LEARN ABOUT OSX
page_util_quote
page_util_quote(n) Parser generator tools page_util_quote(n) __________________________________________________________________________________________________________________________________________________ NAME
page_util_quote - page character quoting utilities SYNOPSIS
package require page::util::quote ?0.1? package require snit ::page::util::quote::unquote char ::page::util::quote::quote'tcl char ::page::util::quote::quote'tclstr char ::page::util::quote::quote'tclcom char _________________________________________________________________ DESCRIPTION
This package provides a few utility commands to convert characters into various forms. API
::page::util::quote::unquote char A character, as stored in an abstract syntax tree by a PEG processor (See the packages grammar::peg::interpreter, grammar::me, and their relations), i.e. in some quoted form, is converted into the equivalent Tcl character. The character is returned as the result of the command. ::page::util::quote::quote'tcl char This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser, will regenerate the character in question and is 7bit ASCII. The string is returned as the result of this command. ::page::util::quote::quote'tclstr char This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser and will generate a human readable representation of the character in question. The string is returned as the result of this command. The string does not use any unprintable characters. It may use backslash-quoting. High UTF characters are quoted to avoid problems with the still prevalent ascii terminals. It is assumed that the string will be used in a double-quoted environment. ::page::util::quote::quote'tclcom char This command takes a Tcl character (internal representation) and converts it into a string which is accepted by the Tcl parser when used within a Tcl comment. The string is returned as the result of this command. BUGS, IDEAS, FEEDBACK This document, will undoubtedly contain bugs and other problems. Please report such in the category page of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have. KEYWORDS
page, parser generator, quoting, text processing CATEGORY
Page Parser Generator COPYRIGHT
Copyright (c) 2007 Andreas Kupries <andreas_kupries@users.sourceforge.net> page 1.0 page_util_quote(n)