shell scripting....

[jlbovo]

hi there, does anyone here know much about scripting. i'm doing a c-shell now. and i need some help with homework, so if anyone is around and is about shell-scripts let me know, if you can help it would be appercaited....

me and my partner sat down a did most of the project but i think we get a cppl of errors, and i can't figure them out. illl post my code in like 15mins....

thanks - justin

ok ok .....here's the code that me and my partner have.


#! /usr/bin/sh

#---------------------------------------#
# #
# Project 1 #
# #
# Lists all files from the #
# current directory that #
# match a specified pattern & #
# are newer, older, or the same #
# as a given date #
# #
#---------------------------------------#

#---------------------------------------#
# #
# Get the search pattern #
# #
#---------------------------------------#

echo Please enter search pattern

read Pattern

#---------------------------------------#
# #
# Get the date in the form mm dd yyyy #
# #
#---------------------------------------#

echo Please enter Month

read MonthIn

echo Please enter Day

read DayIn

echo Please enter Year

read YearIn

#---------------------------------------#
# #
# Get the flag 1 = newer than #
# 2 = older than #
# 3 = same as #
# #
#---------------------------------------#

echo Please enter a 1 for newer, 2 for older, or 3 for same as

read Flag

#---------------------------------------#
# #
# Send the pattern output to a file #
# #
#---------------------------------------#

ls -ld $Pattern > /tmp/tempfile

#---------------------------------------#
# #
# Remaining input comes from the file #
# #
#---------------------------------------#

exec < /tmp/tempfile

#---------------------------------------#
# #
# Display proper heading #
# #
#---------------------------------------#

if test $Flag -eq 1
then
FlagIn='after'

elif test $Flag -eq 2
then
FlagIn='before'

else
FlagIn='on'

fi

echo

echo The files below were last modified $FlagIn $MonthIn $DayIn $YearIn

#---------------------------------------#
# #
# Loop to process file lines #
# #
#---------------------------------------#

read AccessRight Links UserId GroupId Size Month Day YearOrTime
FileName

while [ a = a ]
do
#---------------------------------------#
# #
# Determine time (1) or year (2) #
# #
#---------------------------------------#

case $YearOrTime in
??:??)
IsThereColon=1
;;

*)
IsThereColon=2
;;

esac

#---------------------------------------#
# #
# Translate character month to integer #
# #
#---------------------------------------#

if [ $Month = Jan ]
then
Month=1

elif [ $Month = Feb ]
then
Month=2

elif [ $Month = Mar ]
then
Month=3

elif [ $Month = Apr ]
then
Month=4

elif [ $Month = May ]
then
Month=5

elif [ $Month = Jun ]
then
Month=6

elif [ $Month = Jul ]
then
Month=7

elif [ $Month = Aug ]
then
Month=8

elif [ $Month = Sep ]
then
Month=9

elif [ $Month = Oct ]
then
Month=10

elif [ $Month = Nov ]
then
Month=11

else

$Month=12

fi



#---------------------------------------#
# #
# Compute correct year #
# #
#---------------------------------------#

if [ IsThereColon = 2 ]
then
Year=$YearOrTime
else
CurrentYear=`date '+%Y'`
CurrentMonth=`date '+%m'`

if [ $CurrentMonth -ge 1 -a $CurrentMonth -le 6 ]
then
if [ $Month -ge 7 -a $Month -le 12 ]
then
Year=$CurrentYear
Year=`expr $Year - 1`
else
Year=$CurrentYear
fi

else
Year=$CurrentYear
fi
fi

#---------------------------------------#
# #
# Identify files newer (1) or older (2) #
# for processing #
# #
#---------------------------------------#

if [ $Flag = 1 ]
then

if [ $Year -gt $YearIn ]
then
echo $FileName

elif [ $Year = $YearIn ]
then
if [ $Month -gt $MonthIn ]
then
echo $FileName
elif [ $Month = $MonthIn ]
then
if [ $Day -gt $DayIn ]
then
echo $FileName
fi
fi
fi

elif [ $Flag = 2 ]
then

if [ $Year -lt $YearIn ]
then
echo $FileName

elif [ $Year = $YearIn ]
then
if [ $Month -lt $MonthIn ]
then
echo $FileName
elif [ $Month = $MonthIn ]
then
if [ $Day -lt $DayIn ]
then
echo $FileName
fi
fi
fi

elif [ $Flag = 3 ]
then
if [ $Year = $YearIn -a $Month = $MonthIn -a $Day = $DayIn ]
then
echo $FileName
fi

fi
read -u4 AccessRight Links UserId GroupId Size Month Day
YearOrTime FileName

#---------------------------------------#
# #
# Existence test #
# #
#---------------------------------------#

if [ $AccessRight ]

then

a=a

else

break

fi
done

#---------------------------------------#
# #
# Remove the output file #
# #
#---------------------------------------#
rm /tmp/tempfile

...but we are gettin erros, i will post there erros next. -justin

[jlbovo]

frodo% project1
Please enter search pattern
a
Please enter Month
3
Please enter Day
3
Please enter Year
2003
Please enter a 1 for newer, 2 for older, or 3 for same as
1
a: No such file or directory

The files below were last modified after 3 3 2003
project1: -u4: is not an identifier

....and.....

frodo% project1
Please enter search pattern
c*
Please enter Month
3
Please enter Day
22
Please enter Year
2005
Please enter a 1 for newer, 2 for older, or 3 for same as
1

The files below were last modified after 3 22 2005

project1: test: argument expected