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[BASH/SH] Regex/Rematching Problems

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Top Forums Shell Programming and Scripting [BASH/SH] Regex/Rematching Problems
# 8  
Old 04-08-2011
All the tools will never replace brain
Depending on where you are going to use it :
Code:
[0-9a-fA-F]{32}

Code:
[0-9a-fA-F]\{32\}

Code:
[[:xdigit:]]\{32\}

Smilie
# 9  
Old 04-08-2011
THX to ALL of you,
seems to work now!

---------- Post updated at 07:49 PM ---------- Previous update was at 07:44 PM ----------

next Problem Smilie
Code:
tail -n 10 $log | sed '/ClientUserinfo/!d;s/.*cl_guid\\//;s/\\.*//' | while read
            do
                guid=$REPLY
            done
echo $guid

echoes nothing. I know it beacause of the var is a local one but export and set dont work somehow Smilie

PS: I am on SH-3.2
Last edited by s0lll0s; 04-08-2011 at 02:58 PM..
# 10  
Old 04-08-2011
try to put
Code:
echo $guid

inside the loop
Code:
...
do
     guid=$REPLY
     echo $guid
done

And see if something get displayed ...

also double quote around your variable "$guid"

... otherwise you can still go for

Code:
tail -n 10 $log | sed '/ClientUserinfo/!d;s/.*cl_guid\\//;s/\\.*//' | while read ans
            do
                guid="$ans"
            done
echo "$guid"

Last edited by ctsgnb; 04-08-2011 at 03:12 PM..
# 11  
Old 04-08-2011
This works.
Code:
tail -n 10 $log | sed '/ClientUserinfo/!d;s/.*cl_guid\\//;s/\\.*//' | while read
            do
                echo "$REPLY"
            done
            echo "$REPLY"

echoes
"66F1365D96239BB0C6BB7CE6A74C064B
"
(nothing 2nd time)

if i do

Code:
tail -n 10 $log | sed '/ClientUserinfo/!d;s/.*cl_guid\\//;s/\\.*//' | while read
            do
                guid="$REPLY"
                export guid
                export
            done
            echo "$REPLY"

it showes this:
...
export __CF_USER_TEXT_ENCODING="0x1F5:0:3"
export guid="66F1365D96239BB0C6BB7CE6A74C064B"
but if i quit the script and type
"export"
guid isnt set again Smilie
# 12  
Old 04-08-2011
If you are sure that within the 10 last line of your log file, you will never get more than 9 guid, you can (and if your script has already saved $1 $2 ... arguments in some other variables you can just replace your whole loop with something like :

Code:
set -- `tail -n 10 $log | sed '/ClientUserinfo/!d;s/.*cl_guid\\//;s/\\.*//'`

Code:
echo "$*"

or
Code:
guid1=$1
guid2=$2
guid3=$3
...
guid9=$9
echo "guid1=${guid1} guid2=${guid2} ..."

Last edited by ctsgnb; 04-08-2011 at 03:22 PM..
# 13  
Old 04-08-2011
Code:
sed: 1: "/ClientUserinfo/!d;s/.* ...": bad flag in substitute command: '\'

tried something like that before....
# 14  
Old 04-08-2011
Here is an example with short ID just for demo purpose :

Code:
# tail -9 tst | awk '{print$2}'
199E
1BCC
0A9B
0AA1
15A5
15AD
0AA2
15A6
15AC
# echo $*

# set -- `tail -9 tst | awk '{print$2}'`
# echo $*
199E 1BCC 0A9B 0AA1 15A5 15AD 0AA2 15A6 15AC
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