Sponsored Content
Top Forums Shell Programming and Scripting Different behavior between bash shell and bash script for cmd Post 303023624 by MadeInGermany on Thursday 20th of September 2018 06:37:02 AM
Old 09-20-2018
Variables in command arguments should be in "quotes":
Code:
echo "$JSON" | jq ...

Not only that it escapes the shell expansions, it also retains the multi-line structure.
(Unless you NEED everything in one long line.)
These 2 Users Gave Thanks to MadeInGermany For This Post:
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Mimic bash history behavior

Does anyone know of a way to mimic the up arrow/down arrow type bash behavior within a shell script? Say I have a scripted menu, and would like to be able to up arrow to bring up the last X number of lines of user input? Thanks to anybody with a suggestion. :) (0 Replies)
Discussion started by: sysera
0 Replies

2. Shell Programming and Scripting

how to make your bash script run on a machine with csh and bash

hi, i have a script that runs on bash and would like to run it on a machine that has csh and bash. the default setting on that machine is csh. i dont want to change my code to run it with a csh shell. is there any way i can run the script (written in bash) on this machine? in other words is there... (3 Replies)
Discussion started by: npatwardhan
3 Replies

3. Shell Programming and Scripting

BASH quoting behavior

The block below isn't a surprise:$ ls file1 file2 file3 $ x=* $ echo $x file1 file2 file3 $ echo '$x' $x $ echo "$x" * $But I found this block a bit bewildering:$ echo $x' >' * $I'm wondering why substitution wasn't performed on the $x, since it was unquoted (as far as I can tell).... (5 Replies)
Discussion started by: na5m
5 Replies

4. Red Hat

BASH command not found strang behavior

Hi all I am relatively new to linux (specifically red hat). I have installed Fedora 13 on my machine and started playing with the terminal when i found a very strange behavior when typing a command that is not found: the terminal does not prompt me back. In other words, i am logged as root (or... (4 Replies)
Discussion started by: abohmeed
4 Replies

5. UNIX for Advanced & Expert Users

Different redirection behavior in BASH/Linux when run under cron vice login ???

run_xfs_fsr is a xfs filesystem maintenance script designed to run under cron. The system is a home theater personal computer running mythbuntu 10.10, and is accessed remotely for these tests. cron runs a script, (xfs_fsr.sh) at 02:30 that runs the subject script under BASH and sets the... (3 Replies)
Discussion started by: keepitsimpleeng
3 Replies

6. UNIX for Advanced & Expert Users

unexpected behavior bash, set -o vi, history -a, and HISTFILE

I am trying to get my history in sync in multiple bash sections and things aren't working the way I expect. Desired behavior, hitting esc-K in all bash sessions (same userid and machine) will use the same history. Observed behavior: Esc-k shows the history of the current session, rather than... (8 Replies)
Discussion started by: gg48gg
8 Replies

7. UNIX for Dummies Questions & Answers

Im new to bash scriping and i found this expression on a bash script what does this mean.

# check host value regex='^(||1|2|25)(\.(||1|2|25)){3}$' if ')" != "" ]; then if ]; then echo host $host not found exit 4 fi elif ]; then echo $host is an invalid host address exit 5 fi espeacailly the top regex part? ---------- Post updated at 06:58 PM ---------- Previous update was... (1 Reply)
Discussion started by: kevin298
1 Replies

8. UNIX for Advanced & Expert Users

Bash : While Loop behavior

Good Morning I think there may be something I dont understand fully. The following code works well, but I dont like the set domen method. #!/bin/bash # domen="y" while do echo " M A I N - M E N U" echo "1. Contents of /etc/passwd" echo "2. List of users currently logged" echo... (10 Replies)
Discussion started by: popeye
10 Replies

9. Shell Programming and Scripting

How to block first bash script until second bash script script launches web server/site?

I'm new to utilities like socat and netcat and I'm not clear if they will do what I need. I have a "compileDeployStartWebServer.sh" script and a "StartBrowser.sh" script that are started by emacs/elisp at the same time in two different processes. I'm using Cygwin bash on Windows 10. My... (3 Replies)
Discussion started by: siegfried
3 Replies

10. UNIX for Beginners Questions & Answers

In Bash shell - the ps -ef shows only the /bin/bash but the script name is not displayed

In Bash shell - the ps -ef shows only the /bin/bash but the script name is not displayed ? Is there any way to get the script names for the process command ? --- Post updated at 08:39 AM --- in KSH (Korn Shell), my command output shows the script names but when run in the Bash Shell... (3 Replies)
Discussion started by: i4ismail
3 Replies
ECHO(1) 							   User Commands							   ECHO(1)

NAME
echo - display a line of text SYNOPSIS
echo [SHORT-OPTION]... [STRING]... echo LONG-OPTION DESCRIPTION
Echo the STRING(s) to standard output. -n do not output the trailing newline -e enable interpretation of backslash escapes -E disable interpretation of backslash escapes (default) --help display this help and exit --version output version information and exit If -e is in effect, the following sequences are recognized: \ backslash a alert (BEL)  backspace c produce no further output e escape f form feed new line carriage return horizontal tab v vertical tab NNN byte with octal value NNN (1 to 3 digits) xHH byte with hexadecimal value HH (1 to 2 digits) NOTE: your shell may have its own version of echo, which usually supersedes the version described here. Please refer to your shell's docu- mentation for details about the options it supports. GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report echo translation bugs to <http://translationproject.org/team/> AUTHOR
Written by Brian Fox and Chet Ramey. COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for echo is maintained as a Texinfo manual. If the info and echo programs are properly installed at your site, the command info coreutils 'echo invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 ECHO(1)
All times are GMT -4. The time now is 01:31 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy