1. UNIX for Dummies Questions & Answers

Hi, I came across with this line "set -x" in the beginning of a script, but i can't find one logic reason for this... should be something else after, i think.... anyone can help? tanx (2 Replies)

2. UNIX for Dummies Questions & Answers

Hi Can anybody tell the difference between Difference between cat , cat > , cat >> and touch command in UNIX? Thanks (6 Replies)

3. Shell Programming and Scripting

Hello, So I sorted my file as I was supposed to: sort -n -r -k 2 -k 1 file1 | uniq > file2 and when I wrote > cat file2 in the command line, I got what I was expecting, but in the script itself ... sort -n -r -k 2 -k 1 averages | uniq > temp cat file2 It wrote a whole... (21 Replies)

4. Shell Programming and Scripting

cat ~/text.xt | while read line do echo ${line} | perl -pe 's/(\d+)/localtime($1)/e' done how can i efficiently re-code the above? also, no matter how i run this, i'm not getting the current/correct date. the contents of the "text.xt" looks like this: SERVICES... (2 Replies)

5. What is on Your Mind?

I wrote by accident: cd . and even hit ENTER. Then I realized this is probably the most useless command that you can imagine. Yes, perhaps it could assert that there is still a working filesystem, but I am not sure about it. What do you think? Can you think of any more useless commands? :) (6 Replies)