10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Bash version 4.4.20 / Ubuntu 16.0.4
Hello,
I tried to write a script that gathers some data and passes them to an executable.
The executed application answers with an error. The echo output in the script returns correct values.
If I copy/paste the last echo command, it get's executed... (2 Replies)
Discussion started by: sushi2k7
2 Replies
2. UNIX for Beginners Questions & Answers
Hi everyone,
I've an issue trying to soustracte two dates, e.g:
d1=$(date -d "Nov 18, 2017" +%s)
d2=$(date +%s) # Today we are 2017-11-16
echo "$(( (d1 - d2) / 86400 ))"
Output:
1
I don't understand why it doesn't work. for me, it should give "18 - 16 = 2".
Much appreciated... (1 Reply)
Discussion started by: Arnaudh78
1 Replies
3. Shell Programming and Scripting
$ find /opt/data_* -maxdepth 3 -type d -name "main*" 2> /dev/null
/opt/data_025/maindblogs
/opt/data_026/maindblogs
/opt/data_027/maindblogs
/opt/data_028/maindblogs
$ find /opt/data_* -maxdepth 3 -type d -name "rvlogs*" 2> /dev/null
/opt/data_002/prod/rvlogs2_archive... (4 Replies)
Discussion started by: urello
4 Replies
4. Shell Programming and Scripting
Hi,
I'm trying to write a script that checks gvfs to see if a mount exists so I can run it from network-manager's status hooks. I thought I'd pipe the output of gvfs-mount -l to grep for the particular mounts I care about. When I do this in a bash script:
cmnd="gvfs-mount -l | grep -i... (4 Replies)
Discussion started by: kcstrom
4 Replies
5. Shell Programming and Scripting
Hi,when I run my first shell script,I got something that doesn't work right.
I wrote this code in the script.
echo -e "Hello,World\a\n"But the screen print like this:
-e Hello,World
The "-e" wasn't supposed to be printed out.
Can anyone help me out?:wall:
Many thanks!:) (25 Replies)
Discussion started by: Demon
25 Replies
6. HP-UX
Hi! I need to get PID of some particular process and I wonder if I can use pgrep tool for this purpose. The problem is that pgrep doesn't perform pattern matching on the whole command line, even if I use -f key. Parsing output of ps command is not quite convenient... Also deamon, which PID I need... (2 Replies)
Discussion started by: Sapfeer
2 Replies
7. Ubuntu
completion-ignore-case option doesn't work in my version:
/home/user $ echo $BASH_VERSION
3.2.48(1)-release
/home/user $ ls -l *
-rw-r--r-- 1 user user 0 2009-10-18 00:09 somefile
-rw-r--r-- 1 user user 0 2009-10-18 00:09 Somefile
/home/user $ set completion-ignore-case on
But when I... (2 Replies)
Discussion started by: Sapfeer
2 Replies
8. Shell Programming and Scripting
#!/bin/sh
something(){
echo "Inside something"
echo $1 $2
}
val=$(something "Hello " "world")
Output expected:
Inside somethingHello world
But it's not echoing. (4 Replies)
Discussion started by: cola
4 Replies
9. Shell Programming and Scripting
I have entry in the my .profile like below, but still i see $PWD is not defied in my system
export PS1=$LOGNAME@`hostname`':'$PWD'>'
echo $PWD also gives me nothing, my env list also give no entry for PWD.Can someone help me setting PWD variable.
I use /bin/sh (9 Replies)
Discussion started by: yesmani
9 Replies
10. Shell Programming and Scripting
Hi everyone,
I have a Linux OS in my PC (older version 9). Its default shell is bash. Whenever I try to run some Perl program it throws error ! eg, if I run this simple PERL program ,
#!/usr/bin/perl
printf "\lHello \n";
$var=3 ;
printf $var;
@list=(1,2,3);
printf "@list";... (6 Replies)
Discussion started by: adc22
6 Replies