1. Shell Programming and Scripting

Say I write something like the following: var1=1 var2=2 for int in 1 2 do echo "\$var$int" done I want the output to be: 1 2 Instead I get something like: $var1 $var2 (2 Replies)

2. Shell Programming and Scripting

Hi, What is the actual difference between these two? Why the following code works for process substitution and fails for command substitution? while IFS= read -r line; do echo $line; done < <(cat file)executes successfully and display the contents of the file But, while IFS='\n' read -r... (3 Replies)

3. UNIX for Dummies Questions & Answers

Hello, in my .bashrc I tried to setup some aliases. alias scp_cmd="scp -P 8888 $1 me@somehost:." is supposed to copy a local file to somehost via scp. However it seems that the command line substitution does not work here. However this works: alias lst="ls -l $1" The above scp command can... (1 Reply)

4. Shell Programming and Scripting

Hi I am looking for a unix command or a small shell script which can takes one parameter and then searches for the passed in the parameter in any or all files under say /home/dev/ Can anyone please help me on this? (3 Replies)

5. Shell Programming and Scripting

i am passing input parameter 'one_two' to the script , the script output should display the result as below one_1two one_2two one_3two if then echo " Usage : <$0> <DATABASE> " exit 0 else for DB in 1 2 3 do DBname=`$DATABASE | awk -F "_" '{print $1_${DB}_$2}` done fi (5 Replies)

6. Shell Programming and Scripting

hi all, i have a parameter file of following format, i want a method which can get the value of specific parameter. parameter file format: <Parameter Name="FileLocationWindows"> <Description> The directory location of the logger file. ... (1 Reply)

7. Shell Programming and Scripting

Hi, I have the following files. ->cat scr.sh export TMP_DIR=/home/user/folder1 export TMP_DIR_2=/home/user/folder2 while read line do cat "$line" done<file_list.dat ------------------------ -> cat file_list.dat $TMP_DIR/file1.txt $TMP_DIR_2/file2.txt --------------------------- -> cat... (6 Replies)

8. Shell Programming and Scripting

Hi. How do I achieve this sh /EDWH-DMT02/script/MISC/exec_sql.sh "@/EDWH-DMT02/script/others/CSM_CKC/Complete_List.sql ${file_name}" Complete_List.txt The /EDWH-DMT02/script/MISC/exec_sql.sh has two parameters and it's working fine with this sh /EDWH-DMT02/script/MISC/exec_sql.sh... (7 Replies)

9. Shell Programming and Scripting

Can I specify a default value to a variable in AWK like BASH in one statement using parameter substitution? BASH example: argument=${$1-"default if empty"} (BASH) I know I can do: argument=$1; sub ( "^$", "default if empty", argument) (AWK) Mike (13 Replies)

10. Shell Programming and Scripting

I am trying add a prefix variable(string) to command output. sed parameter substitution is not working. - I have found some issues on my end of testing,, please delete this thread for now. (1 Reply)