Hi ,
Below code is working fine,exit from loop if not matching .I need to be loop forever untill match both files count .Any help would be appereciated
Code:
summary=`cat ${BASE_PATH}/${FILENAME|wc -l`
check=`ls -l PASSIVELBS_xxx_*|wc -l`
while [ $summary != $check ];do
echo "Summary files are $summary"
echo "Checksum files are $check"
echo "Files are not matching with checksum"
exit 1
Give us a break! The above code cannot possibly be "working fine".
${FILENAME is a syntax error. (Where is the closing }?)
BASE_PATH is not defined!
FILENAME is not defined!
while [ $summary != $check ];do has no matching done! (Another syntax error.)
BASE_PATH=/home/tmp
FILENAME=summary.txt==>3 files
These are exist in current location and wait for 3rd file to arrive
PASSIVELBS_xxx_1
PASSIVELBS_xxx_2
summary=`cat ${BASE_PATH}/${FILENAME}|wc -l`
check=`ls -l PASSIVELBS_xxx_*|wc -l`
while [ $summary != $check ];do
echo "Summary files are $summary"
echo "Checksum files are $check"
echo "Files are not matching with checksum"
exit 1
On top of what Don Cragun already said, even your new "detailed" code suffers from
- no closing done
- entering an infinite loop as the comparison will never change
Without decent answers to my questions in post#6, assuming
- one of the possible scenarios
- a recent bash
- file count will change and not the summary.txt file
- file count exceeding summary line count is unacceptable or will never occur
, this might work for you:
Code:
SUM=$(wc -l < summary.txt)
while (( SUM - 2 - $(ls PASSIVE* | wc -w) ))
do echo NO
sleep 1
done
Please oh please, read your code again!
You are here to obtain help and this is the second time this code won't work.
Don has already told you many faults now you have others...
Code:
BASE_PATH=/home/tmp
FILENAME=summary.txt==>3 files
These are exist in current location and wait for 3rd file to arrive
PASSIVELBS_xxx_1
PASSIVELBS_xxx_2
summary=`cat ${BASE_PATH}/${FILENAME}|wc -l`
check=`ls -l PASSIVELBS_xxx_*|wc -l`
while [ $summary != $check ];do
echo "Summary files are $summary"
echo "Checksum files are $check"
echo "Files are not matching with checksum"
exit 1
Longhand, OSX 10.7.5, default bash terminal...
Code:
Last login: Sun Mar 12 10:12:11 on ttys000
AMIGA:amiga~> cd Desktop/Text
AMIGA:amiga~/Desktop/Text> chmod 755 junk.txt
AMIGA:amiga~/Desktop/Text> cat junk.txt
BASE_PATH=/home/tmp
FILENAME=summary.txt==>3 files
These are exist in current location and wait for 3rd file to arrive
PASSIVELBS_xxx_1
PASSIVELBS_xxx_2
summary=`cat ${BASE_PATH}/${FILENAME}|wc -l`
check=`ls -l PASSIVELBS_xxx_*|wc -l`
while [ $summary != $check ];do
echo "Summary files are $summary"
echo "Checksum files are $check"
echo "Files are not matching with checksum"
exit 1
AMIGA:amiga~/Desktop/Text>
AMIGA:amiga~/Desktop/Text>
AMIGA:amiga~/Desktop/Text> ./junk.txt
./junk.txt: line 2: files: command not found
./junk.txt: line 3: These: command not found
./junk.txt: line 5: PASSIVELBS_xxx_1: command not found
./junk.txt: line 6: PASSIVELBS_xxx_2: command not found
cat: /home/tmp/: No such file or directory
ls: PASSIVELBS_xxx_*: No such file or directory
./junk.txt: line 15: syntax error: unexpected end of file
AMIGA:amiga~/Desktop/Text> _
As there is no line 15 then you still have an error that Don has already told you about!
Please be accurate as it helps us to help you.
FWIW - Is there some logical reason why you cannot directly observe the 3 files you want instead of all of this other indirect logic.
This has a timed loop that returns an error after one hour of waiting.
It also polls the files once every 10 seconds, and emails okay or failure
Code:
#!/bin/bash
# file: poll.sh
cnt=0
now=$( date +%s ) # time in epoch seconds
when=$(( $now + 86400 )) # we will only wait 1 hour then produce an error
while [ $cnt -le 3 ]
do
if [ $( date +%s ) -gt $when ]; then
echo 'Timed out: failure to find files' |
mailx -s 'poll.sh failed' mohan@somewhere.com
exit 1
fi
cnt=`ls -1 PASSIVE_XXX_? | wc -l` # cnt will be at least 3 in order to end loop
sleep 10 # wait 10 seconds before trying again.
done
echo 'All files found' | mailx -s 'poll.sh okay' mohan@somewhere.com
exit 0
usage:
Code:
/path/to/poll.sh
This is somewhat verbose but it shows exactly what you need to do. Ignoring the likelihood that the filenames (PASSIVE*) are not as you presented them.
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