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Shell Programming and Scripting
using Sed in Solaris bash
Post 302336930 by acharania2011 on Thursday 23rd of July 2009 06:07:26 AM
07-23-2009
using Sed in Solaris bash
I am trying to execute a script with sed that works well in ksh(Linux) however in bash(solaris 8) though it does not give any errors the output file becomes 0 byte.
header of the script:
ksh:2$ head news.ksh
#!/bin/ksh
#------------------------------------------------------------------------------------------------------------
# Shell : KSH
CODE :
echo TWO
ls -lt /$HOME/*.html
sed "s/Count/$COUNT/g" ${CONFIG_PATH}/news.html > ${CONFIG_PATH}/temp_query.html | mv ${CONFIG_PATH}/temp_query.html ${CONFIG_PATH}/news.html
echo THREE
ls -lt /app.1.0.2/*.html
rc2=$?
executed in bash shell using command:
sh -x new.ksh parameter1
Execution:
+ echo TWO
TWO
+ ls -lt /app.1.0.2/news.html
-rw-r--r-- 1 abc abc 1799 Jul 23 10:25 /app.1.0.2/news.html
+ mv /app.1.0.2/temp_query.html /app.1.0.2/news.html
+ sed s/Count/ 0/g /app.1.0.2/news.html
+ echo THREE
THREE
+ ls -lt /app.1.0.2/news.html
-rw-r--r-- 1 abc abc 0 Jul 23 10:25 /app.1.0.2/news.html
rc2=0
Looking at the execution all the variables are substituted ... I am not able to understand what is happening
.. need help
header of the script:
ksh:2$ head news.ksh
#!/bin/ksh
#------------------------------------------------------------------------------------------------------------
# Shell : KSH
CODE :
echo TWO
ls -lt /$HOME/*.html
sed "s/Count/$COUNT/g" ${CONFIG_PATH}/news.html > ${CONFIG_PATH}/temp_query.html | mv ${CONFIG_PATH}/temp_query.html ${CONFIG_PATH}/news.html
echo THREE
ls -lt /app.1.0.2/*.html
rc2=$?
executed in bash shell using command:
sh -x new.ksh parameter1
Execution:
+ echo TWO
TWO
+ ls -lt /app.1.0.2/news.html
-rw-r--r-- 1 abc abc 1799 Jul 23 10:25 /app.1.0.2/news.html
+ mv /app.1.0.2/temp_query.html /app.1.0.2/news.html
+ sed s/Count/ 0/g /app.1.0.2/news.html
+ echo THREE
THREE
+ ls -lt /app.1.0.2/news.html
-rw-r--r-- 1 abc abc 0 Jul 23 10:25 /app.1.0.2/news.html
rc2=0
Looking at the execution all the variables are substituted ... I am not able to understand what is happening
.. need helpLast edited by acharania2011; 07-23-2009 at 07:13 AM..
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LEARN ABOUT BSD
news
news(1) User Commands news(1) NAME
news - print news items SYNOPSIS
news [-a] [-n] [-s] [items] DESCRIPTION
news is used to keep the user informed of current events. By convention, these events are described by files in the directory /var/news. When invoked without arguments, news prints the contents of all current files in /var/news, most recent first, with each preceded by an appropriate header. news stores the ``currency'' time as the modification date of a file named .news_time in the user's home directory (the identity of this directory is determined by the environment variable $HOME ); only files more recent than this currency time are considered ``current.'' OPTIONS
-a Print all items, regardless of currency. In this case, the stored time is not changed. -n Report the names of the current items without printing their contents, and without changing the stored time. -s report how many current items exist, without printing their names or contents, and without changing the stored time. It is useful to include such an invocation of news in one's .profile file, or in the system's /etc/profile. All other arguments are assumed to be specific news items that are to be printed. If a delete is typed during the printing of a news item, printing stops and the next item is started. Another delete within one second of the first causes the program to terminate. ENVIRONMENT VARIABLES
See environ(5) for a description of the LC_CTYPE environment variable that affects the execution of news. FILES
/etc/profile /var/news/* $HOME/.news_time ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | |Availability |SUNWesu | |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
profile(4), attributes(5), environ(5) SunOS 5.10 20 Dec 1996 news(1)