Display text from txt file in batch file

Question

I m scripting a big batch file   It records the date to a log txt file    echo off echo  date    time   gt  gt  log txt echo Current date time is  date    time    pause exit   It can record it several times  on several lines  Now what I want to do is that the batch file file shows the last recorded date time from the log txt file   How

User · Answer

Use the tail exe from the Windows 2003 Resource Kit

User · Answer

Just set the time and date to variables if it will be something that will be in a loop then   top set T  time  set D  Date   echo  T  gt  gt log txt echo  d  gt  gt log txt echo time  T  echo date  D  pause goto top   I suggest making it nice and clean by putting    echo off   in front of every thing it get rid of the rubbish C  users example      and putting  cls   after the  top to clear the screen before it add the new date and time to the display

User · Answer

echo off set log  time   date  echo  log    That is a batch for saving the date and time as a temporary variable  and displaying it  In a hurry  I don t have time to write a script to open a txt  maybe later

User · Answer

Here is a good date and time code    echo off if  date  4 2   01 set month January if  date  4 2   02 set month February if  date  4 2   03 set month March if  date  4 2   04 set month April if  date  4 2   05 set month May if  date  4 2   06 set month June if  date  4 2   07 set month July if  date  4 2   08 set month August if  date  4 2   09 set month September if  date  4 2   10 set month October if  date  4 2   11 set month November if  date  4 2   12 set month December  if  date  0 3   Mon set day Monday if  date  0 3   Tue set day Tuesday if  date  0 3   Wed set day Wednesday if  date  0 3   Thu set day Thursday if  date  0 3   Fri set day Friday if  date  0 3   Sat set day Saturday if  date  0 3   Sun set day Sunday echo  echo The Date is  day    month   date  7 2    date  10 4  the current time is   time  0 5  pause   Outputs  The Date is Sunday  September 27  2009 the current time is   3 07

User · Answer

hmm   just found the answer  it s easier then i thought  it just needs a bunch more stuff    echo off if not exist log txt GOTO  write echo Date Time last login  type log txt del log txt  write echo  date    time    gt  gt  log txt  pause exit   So it first reads the log txt file and deletes it  After that it just get a new file  log txt  with the date  amp  time   I hope this helps other people    the only prob is that the first time it does not work  but then just enter in random value at log txt    This problem is solved and edited

User · Answer

Try this  use Find to iterate through all lines with  Current date time   and write each line to the same file   for  f  usebackq delims     i in   find  Current date  log txt   do  echo  i  gt  log-time txt  type log-time txt   Set delims  to a character not relevant in the date time lines  Use   i in batch files   Explanation  update    Find extracts all lines from log txt containing the search string   For  f loops through each line the command inside       generates   As echo   log-time txt  single      overwrites log-time txt every time it s executed  only the last matching line remains in log-time txt

User · Answer

Here s a version that doesn t fail if log txt is missing     echo off   if not exist log txt goto firstlogin   echo Date Time last login    type log txt   goto end   firstlogin   echo No last login found    end   echo  date    time     log txt   pause

User · Answer

Ok I wonder when s the use but  here are two snipets you could use     lastlog cmd     echo off for  f  delims     l in  log txt  do set TimeStamp   l echo  TimeStamp    Change the  echo    line  but the last log time is within  TimeStamp    No temp files used  no clutter and reusable as it is in a variable   On the other hand  if you need to know this WITHIN your code  and not from another batch  change your logging for     set TimeStamp  date    time  echo  TimeStamp   gt  gt  log txt   so that the variable  TimeStamp  is usable later when you need it

User · Answer

type log txt   But that will give you the whole file  You could change it to   echo  date    time   gt  gt  log txt echo  date    time   gt  log last txt     type log last txt   to get only the last one

User · Answer

A handy timestamp format    date  3 2   date  0 2   date  6 2 - time  0 8

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