1. UNIX for Dummies Questions & Answers

I have a Korn shell script that executes a number of commands on a remote server. Is it possible to feed in the last exit code of the rsh commands (i.e. something like $?) to a variable within the local shell script? I tried the following: returncode=$(rsh spns31 ".... (1 Reply)

2. UNIX for Dummies Questions & Answers

Hi, how can I get only useful results from find / -size 10000000 without the "Permissions denied" files ? tks C (5 Replies)

3. Shell Programming and Scripting

i have to run set of commands command1 command2 command3 command4 Now Whenever any of these command fails i should quit while capturing error message. Is there a better way then checking for $? after each command. (1 Reply)

4. UNIX for Dummies Questions & Answers

Hi, I am wondering how I can check the return value of all commands in a pipe such as gzip -dc file.gz | sort -u > output.txt If I run this sequence in bash and check $?, I get the return status from sort. But I want to know if the initial gzip failed. Similarly for longer pipe chains,... (6 Replies)

5. Shell Programming and Scripting

Hello I have a script which emails identifies the user ID of a user and sends them an email. A user can enter part of the name of the person he/wants to send the email to. Then I use the ypcat command to identify the UID of that person. The problem I'm having, is building in an error trap... (1 Reply)

6. UNIX for Dummies Questions & Answers

Hi I want to output the results of multiple commands to a single file. I use simple Ping, telnet commands to check the connectivity to many servers. Can i execute all the commands and write the output to a file instead of executing them one by one? Thanks Ashok (2 Replies)

7. UNIX for Advanced & Expert Users

This is a three step process: a) Upload date ->scrub\prep data, b) insert into db, c) return php results page. I have a question about the best practices for unix to process this. I have data from a flat file that I've scrubbed and cleaned with sed and awk. When it is complete I have an... (0 Replies)

8. Red Hat

Good day every one. When a use df -h comand on my read hat linux server i get something like this: /dev/mapper/Vg02-Lv19 30G 29G 145M 100% /app Then when i do du -sh /app/ i get 12G /app/ For me it is meaning that only 12G was used on /app partition. How can i see where are... (9 Replies)

9. Shell Programming and Scripting

cmd() { echo " " echo "$(whoami)@$(hostname):$(pwd)# $*" results=`eval $*` echo $results } I want to get the eval $* 's return value and pass it to a new variable $val, and get "eval $*" 's the ... (7 Replies)

10. UNIX for Beginners Questions & Answers

Hello and thanks in advance for any help anyone can offer me I'm trying to learn the find command and thought I was understanding it... Apparently I was wrong. I was doing compound searches and I started getting weird results with the -size test. I was trying to do a search on a 1G file owned by... (14 Replies)