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for loop ( string having spaces )

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# 1  
Old 05-26-2010
for loop ( string having spaces )
Dear All,

i facing problem to use string having spaces in for loop..


Code:
 file used for FOR LOOP
command.txt
rpm -t -v ttm -D -r RJLL -h YELP
rpm -t -v ttm -D -r RJLL -h ERRT
rpm -t -v ttm -D -r RJLL -h TYYE
rpm -t -v ttm -D -r RJLL -h POOL

Code:
CODE using for execute above command
for i in `cut -c 21- command.txt `
do
cmd=`grep $i command.txt `
echo $cmd
ps_cnt=`ps -ef | grep $i | grep -v grep |wc -l`
if [ $ps_cnt -gt 0 ]
then
   echo "Currently rpm is running for $i"
else
$cmd >> log.txt
fi
done


please help to correct my script..

thanks
# 2  
Old 05-26-2010
try this

Code:
while read line
do
i=`echo $line | cut -c 21- `
cmd=`grep $i command.txt `
echo $cmd
ps_cnt=`ps -ef | grep "${i}" | grep -v grep |wc -l`
if [ $ps_cnt -gt 0 ]
then
   echo "Currently rpm is running for $i"
else
$cmd >> log.txt
fi
done < command.txt

cheers,
Devaraj Takhellambam
Last edited by devtakh; 05-26-2010 at 01:42 AM.. Reason: missed code
# 3  
Old 05-26-2010
Dear Devaraj,

given code is not able to grep proper string( it is spliting )

following error occurred

Code:
sh -x yyy.sh 
+ 0< command.txt
+ read line
+ + echo aaaaa -t -v ttm -D -r RJLL -h YELP
+ cut -c 21-
i=r RJLL -h YELP
+ + grep r RJLL -h YELP command.txt
grep: can't open RJLL
grep: can't open -h
grep: can't open YELP
cmd=command.txt:aaaaa -t -v ttm -D -r RJLL -h YELP
command.txt:aaaaa -t -v ttm -D -r RJLL -h ERRT
command.txt:aaaaa -t -v ttm -D -r RJLL -h TYYE
command.txt:aaaaa -t -v ttm -D -r RJLL -h POOL
+ echo command.txt:aaaaa -t -v ttm -D -r RJLL -h YELP command.txt:aaaaa -t -v ttm -D -r RJLL -h ERRT command.txt:aaaaa -t -v ttm -D -r RJLL -h TYYE command.txt:aaaaa -t -v ttm -D -r RJLL -h POOL
command.txt:aaaaa -t -v ttm -D -r RJLL -h YELP command.txt:aaaaa -t -v ttm -D -r RJLL -h ERRT command.txt:aaaaa -t -v ttm -D -r RJLL -h TYYE command.txt:aaaaa -t -v ttm -D -r RJLL -h POOL
+ + ps -ef
+ wc -l
+ grep r RJLL -h YELP
+ grep -v grep
ps_cnt=0
+ [ 0 -gt 0 ]
+ command.txt:aaaaa -t -v ttm -D -r RJLL -h YELP command.txt:aaaaa -t -v ttm -D -r RJLL -h ERRT command.txt:aaaaa -t -v ttm -D -r RJLL -h TYYE command.txt:aaaaa -

# 4  
Old 05-26-2010
replace
Code:
cmd=`grep $i command.txt `

with

Code:
cmd=`grep "$i" command.txt `


cheers,
Devaraj Takhellambam
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