10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
This really puzzles me. The following code gives me the error 'expr: syntax error' when I try to do multi-line comment using here document
<<EOF
echo "Sum is: `expr $1 + $2`"
EOF
Even if I explicitly comment out the line containing the expr using "#", the error message would still exist... (3 Replies)
Discussion started by: royalibrahim
3 Replies
2. UNIX for Dummies Questions & Answers
Hi there,
I am a bit puzzled by a weird behavior of Vi. I very simply would like to add increased numbers in some files. Since I have many thousands entries per file and many files, I would like to macro it in vi.
To do this, I enter the first number ("0001") on the first line and then yank... (4 Replies)
Discussion started by: hypsis
4 Replies
3. UNIX for Advanced & Expert Users
Can someone please explain what's wrong with the command i use below?
tr -c '\11\12\40-\176' ' '< $TEMP_FILE > $TEMP_FILE2
The invalid character/s is replaced with two spaces, the string2 only have 1 space in it. Please help.
Sample output:
333243,333244c333243,333244
< ... (1 Reply)
Discussion started by: Jin_
1 Replies
4. UNIX and Linux Applications
Why could whatprovides not lookup this info for over 10 minutes, but install could install that package in less than a minute?
$ yum whatprovides */lsb_release
Loaded plugins: langpacks, presto, refresh-packagekit, versionlock
^Cupdates/group 18% 3.1 kB/s | 360 kB 08:28 ETA ... (0 Replies)
Discussion started by: cokedude
0 Replies
5. UNIX for Dummies Questions & Answers
Hi I am getting absurd behavior of escape character in echos as followed:oinlcso003{arsadm} #: echo "\as shdd"
\as shdd
oinlcso003{arsadm} #: echo "Well, isn't that \"special\"?"
Well, isn't that "special"?
oinlcso003{arsadm} #: echo "Well, isn't that \special\?"
Well, isn't that \special\?... (3 Replies)
Discussion started by: nixhead
3 Replies
6. Shell Programming and Scripting
Hi Experts
I am facing a weird issue while using print statement in awk. I have a text file with 3 fields shown below:
# cat f1
234,abc,1000
235,efg,2000
236,jih,3000
#
When I print the third column alone, I dont face any issue as shown below:
# awk '{print $3 }' FS=, f1
1000
2000... (5 Replies)
Discussion started by: guruprasadpr
5 Replies
7. UNIX for Dummies Questions & Answers
Hi there,
I'm using putty to connect to several servers. On every remote machine, the home key takes me at the beginning of a command line. Exept on one machine where a press on the home key outputs the tilde sign (~). Is there any place where I can override this behavior, I really prefer my... (6 Replies)
Discussion started by: chebarbudo
6 Replies
8. OS X (Apple)
I use rsync to keep a directory in synchronization betwen a Linux box with the hostname brutal and a Mac running OS X 10.5 (Leopard) with the hostname cooper. When I run the following command on my Linux machine:
rsync -avz --delete myuserid@cooper:/Library/WebServer/Documents... (2 Replies)
Discussion started by: scotbuff
2 Replies
9. Shell Programming and Scripting
I met a problem in using grep -P.
There is a text file, temp.txt, whose content is:
dddd
abc
I ran the command:
grep -P "\s*abc" temp.txt
The result I expected is:
abc
But, the actual result is:
dddd
abc
Could anyone tell me what is wrong?
Thanks. (2 Replies)
Discussion started by: pankai
2 Replies
10. Solaris
All,
After a power loss I went to power on our sun fire v120 that is running solaris 10 and now it will not boot. I tried power cycling it from the lom and pulling the cord but nothing works. All it does is after a power cycle it will start to boot and then start to spit out a bunch of hex... (2 Replies)
Discussion started by: jsandova
2 Replies