I'm scripting for a class, so I have a lot on here that might be jumbled and unnecessary for what I want to do.
Code:
#!/bin/bash -x
# A slicker error handling routine
# I put a variable in my scripts name PROGNAME which
# holds the name of the program being run. You can get this
# value from the first item on the command line ($0).
PROGNAME=$(basename $0)
error_exit()
{
# ------------------------------------------------------------
# Function for exit due to fatal program error
# Accepts 1 argument:
# string containing descriptive error message
# ------------------------------------------------------------
echo "${PROGNAME}: ${1:-"Unknown Error"} 1>&2
exit 1
}
# Example call of the error_exit function. Note the inclusion
# of the LINENO environment variable. It contains the current
# line number.
echo "Example of error with line number and message"
error_exit "$LINENO: An error has occurred."
echo "You start with $# positional parameters"
# Loop until all parameters are used up
while [ "$1" != "" ]; do
echo "Parameter 1 equals $1"
echo "You now have $# positional parameters"
# Shift all the parameters down by one
shift
done
#sysinfo_page - A script to produce an HTML file
##### Constants
TITLE="System Information for $HOSTNAME"
RIGHT_NOW=$(date +"%x %r %Z")
TIME_STAMP="Updated on $RIGHT_NOW by $USER"
##### Functions
system_info()
{
# Find any release files in /etc
if ls /etc/*release 1>/dev/null 2>&1; then
echo "<h2>System release info</h2>"
echo "<pre>"
for i in /etc/*release; do
# Since we can't be sure of the
# length of the file, only
# display the first line.
head -n 1 $i
done
uname -orp
echo "</pre>"
fi
} # end of system_info
show_uptime()
{
echo "<h2>System uptime</h2>"
echo "<pre>"
uptime
echo "</pre>"
} # end of show_uptime
drive_space()
{
echo "<h2>Filesystem space</h2>"
echo "<pre>"
df
echo "</pre>"
} # end of drive_space
home_space()
{
# Only the superuser can get this information
if [ "$(id -u)" = "0" ]; then
echo "<h2>Home directory space by user</h2>"
echo "<pre>"
echo "Bytes Directory"
du -s /home/* | sort -nr
echo "</pre>"
fi
} # end of home_space
write_page()
{
cat <<- _EOF_
<html>
<head>
<title>$TITLE</title>
</head>
<body>
<h1>$TITLE</h1>
<p>$TIME_STAMP</p>
$(system_info)
$(show_uptime)
$(drive_space)
$(home_space)
</html>
_EOF_
}
usage()
{
echo "usage: sysinfo_page [[[-f file ] [-i]] | [-h]]"
}
##### Main
interactive=1
filename=~/sysinfo_page.html
while [ "$1" != "" ]; do
case $1 in
-f | --file ) shift
filename=$1
;;
-i | --interactive ) interactive=1
;;
-h | --help ) usage
exit
;;
* ) usage
exit 1
esac
shift
done
# Test code to verify command line processing
if [ "$interactive" = "1" ]; then
response=
echo -n "Enter name of output file [$filename] > "
read response
if [ -n "$response" ]; then
filename=$response
fi
if [ -f $filename ]; then
echo -n "Output file exists. Overwrite? (y/n) > "
read response
if [ "$response" != "y" ]; then
echo "Exiting program."
exit 1
fi
fi
fi
Hi guys am doing some checking inside my script and i want to redirect my output to a specific file for example checking if a move was successfully done and was writing on the screen whether the move was successful or not and now want to write same thing into a file...
I am new to shell... (2 Replies)
Is it possible to run <talk> such that both sides of the conversation are written to the screen and also to a file?
I use the utility to chat with collaborators and sometimes it would be nice to have a record of our conversation while we are problem solving.
I am running OS X, so <talk>... (4 Replies)
Hello Friends,
Can some one help me how to redirect output of a file to both a file and std output? All the help would be greatly appreciated.
Regards
Sridhar (1 Reply)
Hi
We are having a requirement where one shell script, say a.sh (which uses Java and connects to Oracle database using JDBC) keeps on running everytime. I created a wrapper (to check whether a.sh is running and if not then to start it) and scheduled it in the crontab. Now all the output from... (3 Replies)
Hi,
I am unable to get this script to work as desired. Basically, if an argument "log" is sent into the script, it outputs the result of the Make to a file output.log. However, if the argument is not passed, I want the output to be just put on screen (no redirection). See code snippet below.
#... (3 Replies)
Hi,
Below is the whole string which is to be redirected to the new file.
su - oracle -c "exp $user/$pass file=/oracle/oradata/backup/exp_trn_tables_`date +%d_%b_20%y_%H_%M_%S`.dmp log=/oracle/oradata/backup/exp_trn_tables_`date +%d_%b_20%y_%H_%M_%S`.log tables=table1,table2 statistics=none"
... (3 Replies)
Hi,
I want to redirect my script output to more than one file without printing the result to the screen. How to do that?
ex:
echo "hi" >> a.txt b.txt
cat a.txt
hi b.txt
:confused: (2 Replies)
Hi
Does anyone have any suggestions for capturing the output into a file when i run it through cron?
I have file called "quick.1" which contains two simple commands to be executed on the target host. And i have second file called "quick.2" which contains the wrapper script to ssh to the target... (1 Reply)
1. The problem statement, all variables and given/known data:
I'm having trouble redirecting the output of my sysinfo_page script into my sysinfo_page.html file. The task at hand is to be able to email both the html file and the script to myself. I'm assuming that the html should appear as a web... (8 Replies)
Hi,
I have created script which redirect the output to file.I am able to get the output in file but not in the format.
Output :Content of the log which have 10 -15 lines.
Actal :Line1 ..Line 2Line3 Line4 Line 5
Expected:Line1
Line 2
Line3
Please... (7 Replies)