Sponsored Content
Top Forums Shell Programming and Scripting Bash to select text and apply it to a selected file in bash Post 302982541 by Don Cragun on Thursday 29th of September 2016 04:48:59 PM
Old 09-29-2016
If you would indent your code inside for, while, if, and similar constructs, it would be easier to see that you have an if, then, and else with no fi.
This User Gave Thanks to Don Cragun For This Post:
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

select in ksh, any guidance for bash?

I have a file driven menu using the select feature in ksh. I like doing it this way, however I would prefer running a bash. Is there some eqivalent way of doing this in a bash shell? ie select file in *.ascii  do typeset -u REPLY if  ; then... (1 Reply)
Discussion started by: Shakey21
1 Replies

2. Shell Programming and Scripting

Drop down menu in bash for timezone select

Is there any way to implement a drop down menu selection in bash? This is on CDLinux which is a very minimal live CD and I am using it to install an image onto a hard drive. Part of that process is the timezone selection. There are just too many timezones to attempt to use the "select" command.... (1 Reply)
Discussion started by: simonb
1 Replies

3. Shell Programming and Scripting

[bash help]Adding multiple lines of text into a specific spot into a text file

I am attempting to insert multiple lines of text into a specific place in a text file based on the lines above or below it. For example, Here is a portion of a zone file. IN NS ns1.domain.tld. IN NS ns2.domain.tld. IN ... (2 Replies)
Discussion started by: cdn_humbucker
2 Replies

4. Shell Programming and Scripting

Select columns from a matrix given within a range in BASH

I have a huge matrix file which looks like this (example matrix): 1 2 3 5 4 5 6 7 7 6 8 9 1 2 4 2 7 6 5 1 3 2 1 9 As one can see, this matrix has 4 columns and 6 rows. But my original matrix has some 3 million rows and 6000 columns. For example, on this matrix I can define my task as... (2 Replies)
Discussion started by: shoaibjameel123
2 Replies

5. Shell Programming and Scripting

Reading a text file using bash

I've a file in linux with following text: ;ip address hostname put-location alt-put-location tftpserver 192.168.1.1 r01-lab1-net /mnt/nas1/fgbu/ /opt/fgbu/devicebackup 192.168.1.254Now I want to read these values and assign them to particular variables... (6 Replies)
Discussion started by: kashif.live
6 Replies

6. Shell Programming and Scripting

How to pass enter key or selected character in bash script?

hi, i've bash script thats working... but now i need to add a line....that prompts for user input....like yes and 1 as complete install.... so here's how it looks... $ cd 9200 (cd into directory) $./install (hv to type ./install to run install then ask for) ----do you want to... (4 Replies)
Discussion started by: kernel11
4 Replies

7. Shell Programming and Scripting

Bash to select panel then specific file in directory

I am using bash to prompt a user for a choice using: where a "y" response opens a menu with available panels that can be used. while true; do read -p "Do you want to get coverage of a specific panel?" yn case $yn in * ) menu; break;; * ) exit;; * ) echo... (6 Replies)
Discussion started by: cmccabe
6 Replies

8. Shell Programming and Scripting

Bash to select and save file in new directory

I am trying to select a file in bash and save it to a directory. The below does run but no selected file is saved. Thank you :). bash # select file printf "please select a file to analyze with entered gene or genes \n" select file in $(cd... (4 Replies)
Discussion started by: cmccabe
4 Replies

9. Shell Programming and Scripting

Use same file selected in first bash process that has matching digits in it fot the second

In the below portion of a bash script the user selects a file from a directory. select file in $(cd /home/cmccabe/Desktop/NGS/API/5-14-2016/bedtools;ls);do break;done files in directory 123_base_counts.txt 456_base_counts.txt 789_base_counts.txt second portion of bash currently (user... (4 Replies)
Discussion started by: cmccabe
4 Replies

10. Shell Programming and Scripting

How can I apply 'date' command to specific columns, in a BASH script?

Hi everyone, I have a situation in which I have multiple (3 at last count) date columns in a CSV file (, delim), which need to be changed from: January 1 2017 (note, no comma after day) to: YYYY-MM-DD So far, I am able to convert a date using: date --date="January 12, 1990" +%Y-%m-%d ... (7 Replies)
Discussion started by: richardsantink
7 Replies
SYSLOGOUT(8)						      System Manager's Manual						      SYSLOGOUT(8)

NAME
syslogout - modular centralized shell logout mechanism DESCRIPTION
syslogout is a generic approach to enable centralized shell logout actions for all users of a given system in a modular and centralized way mostly aimed at avoiding work for lazy sysadmins. It has only been tested to work with the bash shell. It basically consists of the small /etc/syslogout shell script which invokes other small shell scripts having a .bash suffix which are con- tained in the /etc/syslogout.d/ directory. The system administrator can drop in any script he wants without any naming convention other than that the scripts need to have a .bash suffix to enable automagic sourcing by the /etc/syslogout script. For shell sessions, the contents of /etc/syslogout.d/" will be sourced by every user at logout if the following lines are present in his $HOME/.bash_logout: if [ -f /etc/syslogout ]; then . /etc/syslogout fi If used for X sessions it is advisable to include the former statement into the Xreset script of the X display manager instead to prevent that closing of an terminal emulator window yields unexpected results in your running X session if your X11 terminal emulator is using a login shell. Be sure then to run it under the user-id of the X session's user. See the example files in /usr/share/doc/syslogout/ for illustration. Users not wanting /etc/syslogout to be sourced for their environment can easily disable it's automatic mechanism. It can be disabled by simply creating an empty file called $HOME/.nosyslogout in the user's home directory using e.g. the touch(1) command. Any single configuration file in /etc/syslogout.d/ can simply be overridden by any user by creating a private $HOME/.syslogout.d/ directory which may contain a user's own version of any configuration file to be sourced instead of the system default. It's names have just to match exactly the system's default /etc/syslogout.d/ configuration files. Empty versions of these files contained in the $HOME/.syslo- gout.d/ directory automatically disable sourcing of the system wide version. Naturally, users can add and include their own private scripts to be automagically executed by /etc/syslogout at logout time. OPTIONS
There are no options other than those dictated by shell conventions. Anything is defined within the configuration scripts themselves. SEE ALSO
The README files and configuration examples contained in /usr/share/doc/syslogout/ and the manual page for bash(1), xdm(1x), xdm.options(5), and wdm(1x). Recommended further reading is everything related with shell programming. If you need a similar mechanism for executing code at login time check out the related package sysprofile(8) which is a very close compan- ion to syslogout. BUGS
syslogout in its current form is mainly restricted to bash(1) syntax. In fact it is actually a rather embarrassing quick and dirty hack than anything else - but it works. It serves the practical need to enable a centralized bash configuration until something better becomes available. Your constructive criticism in making this into something better" is very welcome. Before i forget to mention it: we take patches... ;-) AUTHOR
syslogout was developed by Paul Seelig <pseelig@debian.org> specifically for the Debian GNU/Linux system. Feel free to port it to and use it anywhere else under the conditions of either the GNU public license or the BSD license or both. Better yet, please help to make it into something more worthwhile than it currently is. SYSLOGOUT(8)
All times are GMT -4. The time now is 09:26 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy