UNIX for Advanced & Expert Users

#!/bin/ksh

#file reference
file=`echo "$HOME/support/moe/b.tc"`

#linecount
linecount=`wc -l $file | awk '{print $1}'`
echo "Line count before : $linecount"

#find and delete lines greater than 1000
if [$linecount -gt 1000]; then
sed -i '1,100d' $file
else
echo " line count is file"
fi

echo $linecount
echo "Line count in the file is:  `wc -l $file | awk '{print $1}'`"

if [[ $( wc -l $file ) -ge 1000 ]]
then
    tail +101 $file >log.tmp
    cat log.tmp >$file
    rm log.tmp
fi

#!/bin/ksh

#file reference
file="b.tc"

#linecount
linecount=`wc -l $file | awk '{print $1}'`
echo "Line count before : $linecount"

#find and delete lines greater than 1000
if [[ $( wc -l $file ) -ge 1000 ]] && tail +101 $file >log.tmp
cat log.tmp >$file
rm log.tmp
else
echo " line count is file"
fi

echo $linecount
echo "Line count in the file is:  `wc -l b.tc | awk '{print $1}'`"



"h.sh" 19 lines, 388 characters 
romtst2@towgd20 UAT  /spectra/romtst2/support/moe > h.sh
Line count before : 13626
h.sh[11]: syntax error at line 15 : `else' unexpected

if [ `wc -l $file` ]
then
   tail +101 $file > log.tmp
   mv log.tmp $file
else
   echo "Line count of $file is `wc -l $file`"
fi

cat log.tmp >$file 
rm log.tmp