Tagged Questions
3
votes
2answers
199 views
issues with GNU tail -f and combination of commands
$ tail -f /logs/filename.log | awk '!(/list)'
I am able to run this command in GNU Linux flavour
But when I written in a script it is not working.
test.ksh:
variable="/logs/filename.log | awk ...
1
vote
2answers
207 views
$2 (field reference) in awk BEGIN is not working
In the following snippet, $2 in awk is returning empty. What am I doing wrong? I am trying to find the difference between MAX and MIN.
#!/bin/ksh
if [ $# -ne 1 ]; then
echo "Usage: sh ...
3
votes
3answers
1k views
How do I run a script n times at same time and how do I simulate a semaphore?
I have a text file, inside of this file is a number, and I have a script.sh in ksh.
The script reads the file and gets the number, then increases the number by 1 and overwrites the new number in the ...
1
vote
3answers
154 views
ksh cannot cp from location with space in it?
I am trying to do the following in ksh but keep getting cannot stat message for the cp command:
JMX_ROOT=/bfs-build/build-info/mep_mainline-Linux.latest/core/mainline/automation
...
1
vote
1answer
649 views
Concatenate multiple strings with spaces in them?
I am trying to do the following in ksh shell:
JMX_ROOT=/bfs-build/build-info/mep_mainline-Linux.latest/core/mainline/automation
SMOKE_JMX_LOCATION="$JMX_ROOT/\"Smoke Set\"/*.txt $JMX_ROOT/\"Smoke ...
3
votes
4answers
3k views
Match regex in ksh
I am looking to do something like this in KSH:
if (( $var = (foo|bar)[0-9]*$ )); then
print "variable matched regex"
fi
Is it possible at all?
For the record I'm using Ksh Version M-11/16/88i ...
5
votes
5answers
351 views
Shell programming, avoiding tempfiles
I often write KSH shell scripts that follow the same pattern:
(1) retrieve output from one or more command
(2) format it using grep|cut|awk|sed and print it to the screen or to a file
In order to ...
5
votes
1answer
820 views
Reason for ksh obsoleting -eq
The latest version of ksh obsoletes using -eq within [[ ]] blocks, prefering (( )) instead. Why is this? I can't find any documentation on the advantages of (( )) over [[ ]] anywhere, and I find that ...
