X-Spam-Check-By: sourceware.org To: cygwin@cygwin.com From: Kevin Markle Subject: Re: Varibles not working in do loop... Date: Tue, 03 Apr 2007 10:46:29 -0400 Lines: 78 Message-ID: References: <46116207.8060009@cygwin.com> <5abc24640704021326p2bfbcc0che61f4aec02964ec1@mail.gmail.com> <46116C70.8030508@cygwin.com> <016001c775fd$c44d3b80$2e08a8c0@CAM.ARTIMI.COM> Reply-To: kmarkle@pbs.org Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15"; format=flowed Content-Transfer-Encoding: 8bit X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Dave Korn pretended : > On 03 April 2007 15:07, Kevin Markle wrote: > >> Larry Hall (Cygwin) formulated on Monday : >>> Andrew Louie wrote: >>>> On 4/2/07, Kevin Markle wrote: >>>>> Larry Hall (Cygwin) expressed precisely : >>>>>> Kevin Markle wrote: >>>> >>>>> What does this mean please and or would you send me your copy that works >>>>> fine? "$LOG" == > "". In these cases, the "hang" is 'cat' waiting for >>>>> input from the command >>>>>> line. >>>> >>>> I think he means that in the line: >>>> >>>>> UPDATES_NEEDED=`cat $LOG | grep "updates detected" | tail -1` >>>> >>>> cat $LOG... will hang if $LOG == "" because "cat" is waiting for input. >>>> >>> >>> Precisely. >> >> That helps but my problem is the line above where it get the value for >> LOG for whatever reason doesn't get the value of LOG in the for loop >> but can outside of the loop... :o) > > You mean this line? > > LOG=`ls -al $DIR | grep $t | grep WINDOWS` > > You're listing the contents of the directory, trying to find the one line > that contains the name of the file ($t) you're currently considering. Then > you're using grep a second time to only select (from that one line) any lines > that contain the text 'WINDOWS'. Presumably none of the files in > 1group_1a_dev_clientlist.out have the word "WINDOWS" in their name. > > What are you *trying* to do with that second grep? > > cheers, > DaveK There are 2 files related to each client listed in the file 1group_1a_dev_clientlist.out the first grep grabs both files and the second one get the specific log with the work windows in it: kmarkle@backup /cygdrive/e/wsus/group_1a_DEV $ ls -al total 27992 drwxrwxrwx+ 2 Administrators ???????? 0 Apr 2 16:51 . drwx------+ 6 Administrators ???????? 0 Apr 3 10:41 .. -rwx------+ 1 Administrators ???????? 1284874 Mar 29 01:19 bvapp1_WINDOWSUpdate.log -rwx------+ 1 Administrators ???????? 27394 Apr 3 10:03 bvapp1_asr.log DIR="cygdrive/e/wsus/group_1a_DEV" for t in `cat $DIR/1group_1a_dev_clientlist.out` do echo $t #LOG=`ls -al $FILE | grep $T | grep WINDOWS | gawk '{print $9}'` #LOG=`ls -al cygdrive/e/wsus/group_1a_DEV | grep $t | grep WINDOWS | gawk '{print $9}'` LOG=`ls -al $DIR | grep $t | grep WINDOWS` echo $t echo The value of LOG is $LOG UPDATES_NEEDED=`cat $LOG | grep "updates detected" | tail -1` echo $UPDATES_NEEDED done Thanks! -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/