A log script

The bash script below is an aid to maintain a record of daily events that could be used to study or measure progress. Copy the following code into a buffer and save the file as log.

#!/usr/bin/bash
log_file=log.txt
str_stamp=`date '+%Y-%m-%d %I:%M%p %a'`
str_date=`date +%Y-%m-%d`
#show log for the day
if test -a $log_file
then
grep "^$str_date" $log_file
else
touch $log_file
fi
read -p "$str_stamp: " log_comment
str_msg="$str_stamp: $log_comment"
echo $str_msg | cat >> $log_file

Make log an executable file:

$ chmod 755 log

To record an entry, execute log, and the log date and time prompts for your entry:

$ log
2003-10-24 10:26AM Fri:


Now type a test string, and press enter:

$ log
2003-10-24 10:26AM Fri: testing log script[enter]
$


Log saves your log entry to log.txt by default, and exits with your command prompt.
The next time you execute log, you are shown the events logged during the day:

2003-10-24 10:26AM Fri: testing log script
2003-10-24 10:29AM Fri:


Use less to view all entries, tail to view recent entries, or grep to search for entries in log.txt.

Bash scripts

Bash is a scripting tool available on many free software platforms. Please visit http://en.wikipedia.org/wiki/Bash for more information on bash.

The following bash scripts could be used to download information available on the Internet for off line use.

Script to download judgments of the Supreme Court of India published by NIC

NIC has made available the full text of nearly 18,000+ judgments of the Supreme Court from 1950 till date, along with recent judgments of various High Courts at http://www.judis.nic.in/judisf.htm

The following block of code may be copied and saved as get_scj.sh

#!/usr/bin/bash
#AUTHOR: ramanraj.k@gmail.com 2004-06-05
#script to download Supreme Court case reports published at NIC for offline use
#needed: bash, wget, and of course, a connection to the internet
#usage:  get_scj.sh from_no to_no
#        get_scj.sh 1 500      # download cases 1 to 500
#        get_scj.sh 501 1000   # download cases 501 to 1000
#        cases starting with from_no to to_no are downloaded 
#          and saved as sc_no.html, for example sc_1.html ... sc_500.html

LIMIT=$2
for ((a=$1; a <= LIMIT ; a++))
do  
    file=sc_$a.html
    wget -t1 "http://www.judis.nic.in/sc/qrydisp.asp?tfnm=$a" -O $file
    if [ ! -s $file ]; then
      rm $file
    fi
done
#alert user with bell
echo -e "\a"
exit

Set permissions to get_scj.sh to make the script executable with the command:

# chmod 755 get_scj.sh

Instructions to use are included in the scripts itself. As on date more than 18,000 reportable judgements of the Supreme Court are available online, that is nearly 650 MB. The script does not keep track of the last case downloaded, and the range of reports to be downloaded should be given while invoking the script. To get information about the last case downloaded, one could issue the command:

# ls -alt sc*htm

Script to download Madras High Court cause list

#!/bin/bash
#AUTHOR: ramanraj.k@gmail.com  15-02-2003
#script to (1) download chennai high court cause list
#          (2) search for required information using grep
#          (3) save list to cause_list.tar
#usage:  get_list.sh day
#        where day can be mon, tue, wed, thu or fri
#        
#needed: bash, wget, and of course, a connection to the internet
# define variables; assign dir
DAYLIST="$1"
echo "$DAYLIST"
if  [ $DAYLIST = mon ]
then
    DAYDIR=omon
fi
if [ $DAYLIST = tue ]
then
    DAYDIR=otues
fi
if [ $DAYLIST = wed ]
then
    DAYDIR=owed
fi
if [ $DAYLIST = thu ]
then
    DAYDIR=othurs
fi
if [ $DAYLIST = fri ]
then
    DAYDIR=ofri
fi
if [ $DAYLIST = weekly ]
then
    DAYDIR=weekly
fi

#last week list to compare lengths
ls -al ~/chennai_new/$DAYDIR

#download list
wget http://causelists.nic.in/chennai_new/$DAYDIR/cl.html -O cl.html 
wget http://causelists.nic.in/chennai_new/$DAYDIR/misc.html -O misc.html 
wget http://causelists.nic.in/chennai_new/$DAYDIR/dnot.html -O dnot.html
wget http://causelists.nic.in/chennai_new/$DAYDIR/sitarr.html -O sitarr.html 

#concatanate lists
cat sitarr.html > cl_temp.html
cat dnot.html >> cl_temp.html
cat cl.html >> cl_temp.html
cat misc.html >> cl_temp.html

#check and create destination directories
if  ! test -d chennai_new
then
    mkdir chennai_new
fi
if  ! test -d chennai_new/$DAYDIR
then
    mkdir chennai_new/$DAYDIR
fi

#copy list to destination directory
cp ./cl.html ./chennai_new/$DAYDIR/cl.html
cp ./misc.html ./chennai_new/$DAYDIR/misc.html
cp ./dnot.html ./chennai_new/$DAYDIR/dnot.html
cp ./sitarr.html ./chennai_new/$DAYDIR/sitarr.html
cp ./cl_temp.html ./chennai_new/$DAYDIR/full_list.html

#checklist
# show file size
ls -alH cl_temp.html
# WARN IF TRANSFER INTERRUPTED
grep --ignore-case "transfer interrupted" cl_temp.html

# CHECK LIST cl_temp.html for names [edit to suit your need]

grep --ignore-case "\(k.*\|r.*m.*\)\(kr.*\|ram.*\)raj\|justice\|j.r.k" cl_temp.html 
#alert user with bell
echo -e "\a"
exit