6
votes
1answer
25 views

Is there a windows command-line alternative to unix's expect?

The bash/unix/linux tool expect can be used to automate/script console/tty programs in posix. An example is in http://stackoverflow.com/questions/4780893/ I've read there are bindings for ...
0
votes
1answer
36 views

What is the meaning of this message in bash commandline?

I did gnome-open document.pdf on my bash shell and I getting this following message :- " ** (evince:11832): WARNING **: Error setting file metadata: No such file or directory" What is ...
1
vote
1answer
16 views

Is is possible to insert comments into a long command with escaped newlines?

I have a long command line, longer than but similar to the example below. I would like to add comments to individual argument in the sense of what is shown here: ssh -N \ -R :10000:10.0.0.1:80 \ ...
0
votes
2answers
40 views

any way to run grep backwards, i.e. from the end of the file and up?

i have a 70G+ log file, and i'd like the most recent entries (apache log append new items at the end) that match a pattern. i can either: run grep | tail or run tail | grep option 1 will take ...
-1
votes
1answer
22 views

How to collect specific data? [on hold]

I have a text file like this abcdxxxxx abcdxxxxx 1234567 - abcxxxx from that file I want to separate only the strings with abcd as header part. Help me please. Thank you.
0
votes
2answers
29 views

Is there any reason this cronjob would fail in cron, but not on the command line?

I have written a little one liner that will email me when a list of files changes - I used sha512 to generate a list of hashes and then periodically check that those hashes still match. */5 * * ...
0
votes
1answer
44 views

Enter response once prompt returns?

It's neither a secure idea nor one I'd recommend elsewhere, but I have a situation when occasionally it takes a while for my Ansible ad-hoc command to respond. I'd love to pipe or args or whatever is ...
0
votes
1answer
29 views

How to pass output of command to sed

My sed command in #Update key in config file. does not get the contents of the variable $GETKEY Someone help me? # Get key from output of the website. GETKEY=`wget https://www.badips.com/get/key ...
0
votes
2answers
51 views

Linux zip and exclude directory in Bash script

I am trying to write a bash/shell script to zip up a specific folder and ignore certain sub-dirs in that folder. This is the folder I am trying to zip "sync_test5": My bash script generates an ...
0
votes
1answer
21 views

“.” command doesn't work in fish

I'm using fish and I'm trying to activate a virtual env, so I tried "source" command which apparently is not available in fish. And I ended up with this link which says: ". (a single period) is an ...
1
vote
1answer
21 views

Alternative to “fc -s” in zsh?

In bash, I had a handy alias: alias r="fc -s" Which just repeated last command. Same as !!. I am now used to it (muscle memory), but I can't seem to figure out how to recreate the alias. fc doesn't ...
0
votes
1answer
33 views

Bash script via ssh does not have $PATH

I'm trying to run bash script via ssh. To do this I run command: ssh me@server 'bash -s ' < script.sh The problem is that when I run script like this I don't have my $PATH variable (i.e. if I ...
0
votes
1answer
38 views

sed: What does exit code 2 mean?

Case I am trying to replace all occurrences of <value>*</value> into <value>file:\\</value> in a designated file test.txt. I work on Windows and use sed I have installed with ...
0
votes
1answer
50 views

How do I capture what I see in tail?

Tail seems to parse TTY commands. When commands use ^M to erase the line & redraw the line in stdout, for example an animated ASCII progress bar. When I tail a file where this is happening, I see ...
1
vote
0answers
45 views

What does “<>” exactly mean in “echo <> temp.txt”? [duplicate]

Non existing file $ ls file_not_exists.txt ls: cannot access file_not_exists.txt: No such file or directory $ echo <> file_not_exists.txt $ ls file_not_exists.txt file_not_exists.txt $ cat ...
0
votes
4answers
41 views

How to batch compress images with Imagemagick or similar command or program in Linux

I recently learned about the convert command from imagemagick which I have used to compress many pictures that I have for personal use, and for a blog that I have. In my experience, Imagemagick is the ...
0
votes
1answer
29 views

Repeat on user press, open up terminal, close terminal?

I am making a program and would like it to loop if an user presses a key. I also want to know if the bash file can automatically open a command terminal if it is not running from one to achieve the ...
0
votes
2answers
29 views

Allow permission to custom bash command without allowing permission to underlying command

We have an automatic script on one of our servers, run by observing-user. It needs to tell another script, run by primary-user, to update a log file. The code for this is sudo kill -UPDATE_LOG pid ...
1
vote
2answers
45 views

OS X Terminal wildcard doesn't work for some paths

Okay, this is weird, hopefully someone here can explain what is happening. I am using OS X 10.9.4 and I want to list files in a directory (and filter them using *) I want to look for zip files in ...
0
votes
1answer
21 views

insert complex line in html file from the command line/bash script

I use a bash script to add a javascript file to a directory, but after that I need to insert into the index.html this line at between line 30 and 31. <script type="text/javascript\" ...
0
votes
2answers
34 views

Renaming files from a list of filenames

I'm still very new to shell scripting so I'm sure this command is all kinds of wrong. I am trying to rename a folder of files to the names in a txt file. The precondition is that the filenames.txt and ...
3
votes
2answers
34 views

Is there a way to create a command line wrapper for a bash file?

The title says it all. I would like to type "run" in the command line and it would execute /pathtoscript/script.sh. Thank you!
0
votes
0answers
45 views

Entered wrong .bash_profile and now my laptop is running hot

I am just learning how to use the command line and was editing the bash prompt setting in .bash_profile. I made an error in the prompt settings in .bash_profile and I lost the prompt and the ability ...
2
votes
1answer
58 views

wc / cat command not found

I'm trying to run some simple bash script which uses wc and cat commands. The script fails with this: wc: command not found or this (after I commented string which uses wc): cat: command not found ...
0
votes
1answer
27 views

Tried Installing ZSH through cygwin and then trying to use zsh through Cmder

I tried to install Cygwin (64 bit version) on my computer, and it went through hunky-dory until at the very end, autorebase.bat failed with exit code 1. I read through the logs and they weren't too ...
0
votes
1answer
24 views

Command fails in a script?

I'm trying to script the OpenSSL ec command. The script is used to validate a collection of keys produced by another library. The script is shown below after the question. The following works from a ...
0
votes
3answers
32 views

Redirect stdin to stdout

I've got a script, ex myscript.sh, and it has to redirect to stdout what it gets from stdin (like a cat). For example: myscript.sh < myfile.txt > myfile2.txt How to do this? Also, how can i ...
0
votes
0answers
25 views

GNU screen command on path not found

When I use GNU screen in the following way, it works: screen java -jar .... but why does screen bukkit .... not work when bukkit is a executable script from my path ($PATH)? I've read here, ...
0
votes
1answer
54 views

split a file by a line prefix

My data looks like this: 60 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 61 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 62 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 62 ...
0
votes
0answers
38 views

CLI tools/ways for dynamically constructed DOM structure parsing HTML Javascript

I'm planning to make a tool which recognizes HTML using DOM structure in CLI. As many sites produce many DOM elements using JavaScript these days, it's becoming difficult to extract information from ...
1
vote
2answers
41 views

Execute a previous command in a shell and get the command directly after

Once, a colleague of mine shown me a very useful method (shortcut?) on a shell (bash? csh?) to, after executing a previous command, automatically show the command after in history. For example, ...
0
votes
1answer
24 views

Is there a way to eliminate the owner and group from `ls -l`?

I never need to see the owner and group for the files listed with ls -l (actually, ls -laF) and am wondering if there's a way to remove them from the output. So I want to change this: lrwxr-xr-x 1 ...
0
votes
0answers
48 views

Open pwd protected http stream in vlc from Linux CLI

Can anyone please advise me on how to open a pwd protected http stream from CLI in vlc? I checked out the --help and man pages, but they seem to offer only syntax for opening ftp, rmt and smb pwd ...
2
votes
2answers
72 views

How can I execute a command and immediately quit the terminal?

It should be pretty clear what I'm trying to do: original script.sh: select blah in foo bar oof rab do cmd $blah break done Pretty basic stuff. The problem arises when I try the following: ...
-1
votes
1answer
29 views

how to escape '$' in an awk statement in shell alias

I'm trying to write an alias that will kill all running php processes.. this is the command i got in my ~/.bash_profile alias killphp="ps aux | g [p]hp | awk '{print $3}' | xargs kill -9" this ...
0
votes
1answer
41 views

How can I do a recursive find and replace from the command shell?

Using a shell like bash or zshell, how can I do a recursive 'find and replace'? In other words, I want to replace every occurrence of '/path/to/folder' with '/other/dir' in all files in this directory ...
1
vote
1answer
32 views

redirect one bash line to stdout/terminal vs log

I have a bash script where I'm redirecting output into a file for logging. if test -t 1; then # stdout is a terminal exec > $OUTPUT_FILE 2>&1 else # stdout is not a terminal, no ...
0
votes
0answers
34 views

running programs from MSYS with quotes

I'm trying to execute non-MSYS program from within MSYS. But MSYS (bash) doesn't work as expected. I'm running commands and see what procmon has to say about command line passed: >cmd /c ""cmd" /c ...
0
votes
1answer
48 views

pass filename(with space in the path) as argumant to a wine app in a bash script

I want to luanch an wine App with passing a file as argument. I've two file, with the first I don't have any problem but when there is a space in the path wine can't handle the address properly. here ...
0
votes
1answer
50 views

Directories will list, but are not recognize by cd

New to terminal and having problems out of the gate. Using Terminal 2.1.2 on a Mac running 10.6.8. Using the "ls Documents" will list the contents, but when I try to change directories, which I tried ...
0
votes
0answers
28 views

How to run --args AFTER Google Chrome is already open

How do run --args after Google chrome is already open? open -a Google\ Chrome --args --"profile-directory"="Profile 1" ONLY works when Google chrome is not running and I would like to know how to ...
0
votes
1answer
27 views

Change value in config without opening

Is it possible to change/uncomment value in linux configs without opening and go to line? Example: In php.ini we had expose_php = On and we want turn it off: $: magic_cmd "expose_php = Off"
1
vote
1answer
25 views

Pipeing lines to repeat commands

If my grep operation returns a list of ID's like: 12345 84758 49549 .. can I somehow feed/pipe each line to a commandline command's parameter? Like for example with the above result from grep, I'd ...
1
vote
0answers
32 views

Recursive search occurs instead of last command when using up arrow.

I'm using an internal product "shell" based on spring shell. When I press the up arrow to get my last command, instead I get (reverse-i-search)`': Retrieving the last command works for all my ...
0
votes
2answers
40 views

Is there a unix command to output time elapsed during a command?

I love using time to find out how long a command took to execute but when dealing with commands that execute sub-commands internally (and provide output that allows you to tell when each of those ...
-2
votes
3answers
106 views

osx bash grep - finding search terms in a large file with one single line

Is there simple unix command line i can enter which lets me isolate say 512 bytes either side of a search term, even if there is only one "line" in a very large text file? Ok, this should be easy. ...
2
votes
3answers
188 views

What exactly do the sudo -s command? and how is it used in this example?

I have the following doubt. In a tutorial related to a software installation that I am following say that I have to execute the following commands (I am doing it into an ssh shell, so this list of ...
0
votes
0answers
42 views

Why is there a bash process running in my Terminal if I use Zsh?

When I run the "top" command on OSX Mavericks, a bash process appears even though I am using Zsh, why?
1
vote
0answers
34 views

Dtrace shows posix_spawn called with only 3 argument. Trying to launch by hand

I ran dtruss on a process that launches another one: the League of Legends Launcher starts the main game process with certain arguments that I can't seem to pass via the command line. What caught my ...
0
votes
1answer
37 views

bash scripting, run commands in all subfolders with selections

I need to run this command trjconv -s run.tpr -f run.xtc -pbc mol -ur compact -o unwrap for all the sub-directories following the naming pattern of us_0.0, us_-0.2, us_-0.4 ... us_-3.8. The ...