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Top Forums UNIX for Beginners Questions & Answers Passing Arguments to shell script from file is not working as expected. Post 303030493 by Narasimhasss on Monday 11th of February 2019 09:47:33 PM
Old 02-11-2019
Passing Arguments to shell script from file is not working as expected.

Hi All,

I have below simple shell script in cloudera quick start vm cenos 6 which copy file from source to destination.

Code:
# file_copy.sh
source_dir =  ${source_dir}
target = ${target_dir}
cp source_dir target

and my parameter file is like below

Code:
#parameter_file.txt
source_dir = "/home/cloudera/source/source_files.txt"
target_dir = "/home/cloudera/target/test.txt"

I am using below command to execute this script

Code:
sh file_copy.sh $(< parameter_file.txt)

after executing I am getting below error

Code:
ftp.sh: line 3: source_dir: command not found
ftp.sh: line 4: target: command not found
cp: cannot stat `source_dir': No such file or directory

Can anyone suggest where I am doing mistake?

Thanks,
LakshmiNarasimha


Moderator's Comments:
Mod Comment Please use CODE tags for data / output as well, as required by forum rules

Last edited by RudiC; 02-12-2019 at 08:12 AM.. Reason: Added CODE tags.
 

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IRSEND(1)							   User Commands							 IRSEND(1)

NAME
irsend - basic LIRC program to send infra-red commands SYNOPSIS
irsend [options] DIRECTIVE REMOTE CODE [CODE...] DESCRIPTION
Asks the lircd daemon to send one or more CIR (Consumer Infra-Red) commands. This is intended for remote control of electronic devices such as TV boxes, HiFi sets, etc. DIRECTIVE can be: SEND_ONCE - send CODE [CODE ...] once SEND_START - start repeating CODE SEND_STOP - stop repeating CODE LIST - list configured remote items SET_TRANSMITTERS - set transmitters NUM [NUM ...] SIMULATE - simulate IR event REMOTE is the name of a remote, as described in the lircd configuration file. CODE is the name of a remote control key of REMOTE, as it appears in the lircd configuration file. NUM is the transmitter number of the hardware device. For the LIST DIRECTIVE, REMOTE and/or CODE can be empty: LIST "" "" - list all configured remote names LIST REMOTE "" - list all codes of REMOTE LIST REMOTE CODE - list only CODE of REMOTE The SIMULATE command only works if it has been explicitly enabled in lircd. -h --help display usage summary -v --version display version -d --device use given lircd socket [/var/run/lirc/lircd] -a --address=host[:port] connect to lircd at this address -# --count=n send command n times EXAMPLES
irsend LIST DenonTuner "" irsend SEND_ONCE DenonTuner PROG-SCAN irsend SEND_ONCE OnkyoAmpli VOL-UP VOL-UP VOL-UP VOL-UP irsend SEND_START OnkyoAmpli VOL-DOWN ; sleep 3 irsend SEND_STOP OnkyoAmpli VOL-DOWN irsend SET_TRANSMITTERS 1 irsend SET_TRANSMITTERS 1 3 4 irsend SIMULATE "0000000000000476 00 OK TECHNISAT_ST3004S" FILES
/etc/lirc/lircd.conf Default lircd configuration file. It should contain all the remotes, their infra-red codes and the corresponding timing and wave- form details. DIAGNOSTICS
If lircd is not running (or /var/run/lirc/lircd lacks write permissions) irsend aborts with the following diagnostics: "irsend: could not connect to socket" "irsend: Connection refused" (or "Permission denied"). SEE ALSO
The documentation for lirc is maintained as html pages. They are located under html/ in the documentation directory. lircd(8), mode2(1), smode2(1), xmode2(1), irrecord(1), irw(1), http://www.lirc.org. irsend 0.9.0-pre1 October 2010 IRSEND(1)
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