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Top Forums Shell Programming and Scripting No Syntax Error and No Output Post 302423119 by ibzee33 on Thursday 20th of May 2010 08:01:11 AM
Old 05-20-2010
so i tried using the code below to modify my script, but i got the same thing, no syntax and no output, i think the mistake is in the way i try to write to the logfile

Quote:
Originally Posted by anchal_khare
Code:
while read line
do
 echo $line # do whatever with each line
done < ./temp

here is my attempt

Code:
        who > temp
        
        touch tmplog    
        touch logfile

        while read line
        do
            usertemp=$(echo $line | cut -d" " -f1)
            nametemp=$(grep $usertemp /etc/passwd | cut -d: -f5)
            datetemp=$(echo $line | cut -d" " -f13)
            adrstemp=$(echo $line | cut -d" " -f14)
        
            if [ "$usertemp" != "$user" ]
            then 
                echo -n $nametemp >> tmplog
                echo -n " " >> tmplog
                echo -n $datetemp >> tmplog
                echo -n " " >> tmplog
                echo -n $adrstemp >> tmplog
                echo "" >> tmplog
            fi             
        done < ./temp
        
        sort -db tmplog -o logfile
        rm temp
        rm tmplog

 

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PRINTF(1)								FSF								 PRINTF(1)

NAME
printf - format and print data SYNOPSIS
printf FORMAT [ARGUMENT]... printf OPTION DESCRIPTION
NOTE: your shell may have its own version of printf which will supercede the version described here. Please refer to your shell's documen- tation for details about the options it supports. Print ARGUMENT(s) according to FORMAT. --help display this help and exit --version output version information and exit FORMAT controls the output as in C printf. Interpreted sequences are: " double quote NNN character with octal value NNN (0 to 3 digits) \ backslash a alert (BEL)  backspace c produce no further output f form feed new line carriage return horizontal tab v vertical tab xNNN byte with hexadecimal value NNN (1 to 3 digits) uNNNN character with hexadecimal value NNNN (4 digits) UNNNNNNNN character with hexadecimal value NNNNNNNN (8 digits) %% a single % %b ARGUMENT as a string with `' escapes interpreted and all C format specifications ending with one of diouxXfeEgGcs, with ARGUMENTs converted to proper type first. Variable widths are han- dled. AUTHOR
Written by David MacKenzie. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for printf is maintained as a Texinfo manual. If the info and printf programs are properly installed at your site, the command info printf should give you access to the complete manual. GNU coreutils 4.5.3 February 2003 PRINTF(1)
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