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Full Discussion: Using finger in a loop
Top Forums UNIX for Dummies Questions & Answers Using finger in a loop Post 302889311 by Don Cragun on Thursday 20th of February 2014 12:30:57 AM
Old 02-20-2014
Quote:
Originally Posted by stew
Hi Don,

I ran as you suggested, it is passing row by row with user id as attached below

Code:
+ read -r usr
+ finger er3sc ,
+ 1>> report.txt
+ read -r 43r34
+ finger gco45 ,
+ 1>> report.txt
+ read -r usr
+ finger 67hfr ,
+ 1>> report.txt
+ read -r usr
+ finger 56frf ,
+ 1>> report.txt
+ read -r usr
+ finger 56fj7 ,
+ 1>> report.txt
+ read -r usr
+ exit 0

but when I open the file I got

Code:
Login name: chaos ,                     In real life: ???
Login name: rfr01 ,                     In real life: ???
Login name: cke05 ,                     In real life: ???
Login name: dma83 ,                     In real life: ???
Login name: fmo01 ,                     In real life: ???
Login name: jby05 ,                     In real life: ???

The trace output shown above does not match the contents of report.txt shown above! (The login names shown in the output do not match the arguments passed to finger in the trace.)

But, it is obvious that your input file contains data with lines in the following format:
Code:
<login-ID><space><comma>

rather than lines with the format:
Code:
<login-ID>

which was what I expected when you said you had an active user list.

Change the:
Code:
while read -r usr

in the script to:
Code:
while read -r usr junk

and then try running the script again.
This User Gave Thanks to Don Cragun For This Post:
stew
 

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