1. UNIX for Dummies Questions & Answers

Hello Everybody, Does anyone know what the @ symbol means in a csh script, if used with a variable assignment as below @ line = 1 why not just use.... set line=1 Many thanks rkap (1 Reply)

2. Shell Programming and Scripting

Hi All, I have the below scenario: A file test.cfg with three fields>> DATA1 DATA2 DATA3 In the script I need to assign each of the fields to variables. The number of fields will not be constant (this case we have three). Im trying to do something like this: NUM=1 OUT_DAT_NO=3 ... (4 Replies)

3. Shell Programming and Scripting

Guys, Could you please help me out. I need two values in two variables using awk from the o/p of grep. example:- grep sdosanjh <filename> sdosanjh myhostname myfilename NOW WHAT I WANT IS :- sdosanjh should be in variable (say NAME) myhostname should be in variable (say... (8 Replies)

4. Shell Programming and Scripting

Hi, i have an issue with eval and variable assignment. 1) i have a date value in a variable and that date is part of a filename, var1=20100331 file1=${var1}-D1-0092.xml.zip file2=${var2}-D2-0092.xml.zip file3=${var3}-D3-0092.xml.zip i am passing the above variables to a script via... (11 Replies)

5. Shell Programming and Scripting

Hi, In AIX I have a variable with , (coma) separated values assigned to it like shown below var1=apple,boy,chris i want to convert this to var1='apple','boy','chris' the number of values assigned to var1 might change and it could be from 1 to n any suggestions please? (3 Replies)

6. Shell Programming and Scripting

pattern1=book { x=1 eval echo \$pattern$x } book (this is the output) But when I assign a variable to the output of the eval it doesn't work unless I prefix 2 times backslash before $ as shown below. { a=`eval echo \\$pattern$x` echo $a } book Why here twice "\" has to be... (3 Replies)

7. Shell Programming and Scripting

My Code : -------------------------------------------- #!/bin/bash for i in `echo server1 server2` do eval ${i}_name = "apache" echo ${i}_name done -------------------------------------------- Current output : >./test.sh ./test.sh: line 5: server1_name: command not found... (3 Replies)

8. Shell Programming and Scripting

Hi I have a strange problem: In my shell script I am performing a copy task: . prop.txt cp -r $dir/ $dir/archive $dir is fetched from a property file (prop.txt) which stores its value dir=/opt/data Now the problem is another dir1 comes into picture. I only want to add... (1 Reply)

9. Shell Programming and Scripting

#!/bin/sh if then echo "Insufficient number of arguments ">> error".log" ; echo "Please check error log for more details"; exit 1 ; else file_name=$1".csv"; fi ; in_par_number=`head -n1 $file_name | sed 's///g' | wc -c` read -a arr <<< `head -n1 $file_name | sed 's// /g'` ... (6 Replies)

10. Shell Programming and Scripting

Hi I am facing a problem. export local_folder=/opt/app/ cd /opt/app/abc/ abcversion="abc*" (abcga5 is inside /opt/app/abc/) echo $abcversion (it echoes the correct version as abcga5 ) Now when I reuse the value of abcversion for a below path: export... (6 Replies)