Issue with pwd for script run by double click on script (MacOS High SIerra) Post: 303031987

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Top Forums Shell Programming and Scripting Issue with pwd for script run by double click on script (MacOS High SIerra) Post 303031987 by LMHmedchem on Friday 8th of March 2019 04:01:21 PM

03-08-2019

Registered User

Issue with pwd for script run by double click on script (MacOS High SIerra)

Hello,

I have the following script that just archives and clears some log files.

Code:

#!/bin/bash

# script: archive_logs_and_clear
# add date to logfile names and copy archive directory 
# clear logs

# change to script directory
cd  /Volumes/Archive_Volume/00_i7-8600k_z370_backup/rsync_log/

# get list of log files
log_flie_list=$(ls *log.txt)

# get date to add to file names
current_date=$(date "+%Y-%m-%d_%H.%M")

# process log files
for file in $log_flie_list; do
   # create filename with date
   temp_name=$current_date'_'$file
   # copy to archive directory
   cp $file ./log_archive/$temp_name
   # remove original log file
   rm -f $file
   # recreate empty log file
    touch $file
done

# quit and close the terminal
exit

The issue is the text in red text where I have to hard code a cd to change pwd to the directory where the script file is located.This file is located on the backup drive in the backup directory structure where the log files are written. When I start the script by a double click, pwd defaults to the user home directory and not to where the script is located. I have to make my way over to the script directory or my ls doesn't find anything,etc. This is not a major issue for this case, though I believe it to be in-elegant to have to hard code the script location.

There are other cases where I may have this script on an external drive where it would not be so easy to know the script location ahead of time to code the path. Is there a way to tell make pwd be the directory where the script file is located, or at least automate the location of the script and the cd path?

Thanks,

LMHmedchem

LMHmedchem

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GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

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SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

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              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

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       -t, --text=STRING
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SEE ALSO

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