1. Shell Programming and Scripting

Hello, I just want to know how If it's possiple to define 2 variable using foreach command ??? I have directory inside that directory around 1000 file, I want to rename all of this files to something I have it in a list. Example :- ------This is what in my directory---------- d1 d2... (14 Replies)

2. UNIX for Dummies Questions & Answers

I have a variable with a value of "05". When I add one to that variable, using the command: CURR_YY=`expr $CURR_YY + 1`, I get the value of "6", losing the leading zero (which is needed for passing to another script). How do I keep the leading zero? Thank you! (10 Replies)

3. Shell Programming and Scripting

Hi all, I have a variable say var1 (output from somewhere, which I can't change)which store something like this: echo $var1 name=fred age=25 address="123 abc" password=pass1234 how can I make the variable $name, $age, $address and $password contain the info? I mean do this in a... (1 Reply)

4. Shell Programming and Scripting

Hello, I would like to define a variable based on another variable: a=5 b$a=100 This does not work. What is the right way to do it? Thanks ---------- Post updated at 07:37 PM ---------- Previous update was at 07:33 PM ---------- Found my answer with the search function (did not... (0 Replies)

5. Shell Programming and Scripting

Hi, Unix Gurus, In our existing file, there is a script like #!/bin/sh step=${1:-0} cur_step=10 if ... My question is what's "${1:-0}" mean? I know it defines a variable but I don't know what's (1:-0) mean? :wall: Thanks in advance. (2 Replies)

6. Shell Programming and Scripting

Hi, Is it possible in perl to have a hash defined with variables as theirs key values, like: %account = ('username' => 'boy', 'password' => $password); Thanks (1 Reply)

7. Shell Programming and Scripting

HI I have file A.txt _1A _2A _3A _4A I want define all as different variable. $1A=_1A $2B=_2A $3C=_3A $4D=_4A Now i can use any variable in my script. (3 Replies)

8. UNIX for Dummies Questions & Answers

Hi everyone, Is it possible to define blank vaianbles and prompt user to fill them during the script execution? A very simple example: INPUT= OUTPUT= cut -f1-4 $INPUT | sed 's/hello/goodbye/g' | sort -uV > $OUTPUTThank you in advance! Best wishes (2 Replies)

9. Shell Programming and Scripting

Dear Shell script Experts, I am working on shell script which is defined here, qsub_seq.csh . The purpose of this script is to read few input files (with defined starting index and last index) and make processing faster over server. For some task, I had 1064 of input files, so I wrote another... (8 Replies)