Cleanup of README, 80char line

Author: shaloo

scripts/pkgdepchart/README.md

@@ -10,7 +10,7 @@ Here is how these scripts are organized:
 * **Helper scripts:** These scripts are used by **redraw-numpy-dep-charts.sh**
 and should be run in the suggested order below:
 
-1. fetch-numpydeppkg.sh  
+1. fetch-numpydeppkg.sh
 2. gen-numpy-dep-graph.sh
 3. cleanup-numpydeppkg.sh
 
@@ -36,12 +36,11 @@ and update three arrays:
   requirements.txt file used to pip install the package in a virtualenv.
   The package is uninstalled as part of cleanup after graphs is generated.
 
-
 #### Usage
 
 redraw-numpy-dep-charts.sh **outputdir**
 
-The output directory is an optional parameter.
+*outputdir:* The output directory is an optional parameter.
 
 If no output directory is specified, the graphs (.png files) of all the packages
 listed in pkgarray variable are generated in the current directory from where 
@@ -51,20 +50,24 @@ the script is run.
 
 The following software packages must be installed on the system where you are running this bash script:  git, python3, pip3, virtualenv.
 
-
 ----
 
 ## Script: fetch-numpydeppkg.sh
 
 ### Use Case:
 
-This script is one of the helper scripts used by **redraw-numpy-dep-charts.sh** script. Its sole purpose is to download the package for which numpy dependency graph is to be generated and install it in a virtual environment, setup the directory structure which can be used by other helper script **gen-numpy-dep-graph.sh** to generate the graph.  This script is paired with **cleanup-numpydeppkg.sh** script for uninstalling and removing scratch data.  
+This script is one of the helper scripts used by **redraw-numpy-dep-charts.sh**
+script. Its sole purpose is to download the package for which numpy dependency
+graph is to be generated and install it in a virtual environment, setup the 
+directory structure which can be used by other helper script 
+**gen-numpy-dep-graph.sh** to generate the graph.  This script is paired with
+**cleanup-numpydeppkg.sh** script for uninstalling and removing scratch data.
 
 #### Usage
 
 fetch-numpydeppkg.sh **package_name scratchdir git_url reqfile_parentdir**
 
-*package_name:*  Name of the package (as in pip registry) that will be fetched
+*package_name:*  Name of the package (as in pip registry) that will be fetched.
 
 *scratchdir:* local directory where the package contents will be fetched.
 
@@ -83,37 +86,45 @@ purpose is to use the pre-installed pkg in a local virtual environment by
 the script **fetch-numpydeppkg.sh** (or manually installed locally) and use them
 to run graphviz, dot and other utilities for creating NumPy dependency chart
 as png files for the pkg.  It assumes that packages is pre-installed and does
-not clean up any pre-installed packages.  In case a user has the package pre-installed and would like to simply generate NumPy dependency chart, this script can be used.
+not clean up any pre-installed packages.  In case a user has the package 
+pre-installed and would like to simply generate NumPy dependency chart, this script can be used.
 
 #### Usage:
 
 gen-numpy-dep-graph.sh **package_name scratchdir output_graphdir highlight_color (optional)**
 
-*package_name:* Name of the package (as in pip registry) for which NumPy dependency
-graph is to be generated.
+*package_name:* Name of the package (as in pip registry) for which NumPy dependency graph is to be generated.
 
-*scratchdir:* local directory where the package contents reside, the same directory as input to the fetch-numpydeppkg.sh where package_name was fetched by that script. 
+*scratchdir:* local directory where the package contents reside, the same directory as input to the fetch-numpydeppkg.sh where package_name was fetched by that script.
 
-*output_graphdir: directory pathname where generated graphs in png format will be
-stored.
+*output_graphdir:* directory pathname where generated graphs in png format will be stored.
 
-highlight_color:* color understood by dot language.  Default is cyan.  Other acceptable colors are red, blue.  For a complete list see https://www.graphviz.org/doc/info/lang.html and https://www.graphviz.org/doc/info/colors.html 
+highlight_color:* color understood by dot language.  Default is cyan.  Other
+acceptable colors are red, blue.  For a complete list see:
+
+* https://www.graphviz.org/doc/info/lang.html
+* https://www.graphviz.org/doc/info/colors.html
 
 **Pre-requisite:**
 
-Please note, **gen-numpy-dep-graph** script needs the virtualenv directory that was activated and used for package deployment a priori say by **fetch-numpydeppkg.sh** script or manually by user.  It is assumed that the scratchdir comprises of two top level directories - virtualenv dir and another dir with package_name sources that are git cloned or a local copy of the same.
+Please note, **gen-numpy-dep-graph** script needs the virtualenv directory
+that was activated and used for package deployment a priori say by
+**fetch-numpydeppkg.sh** script or manually by user.  It is assumed that the 
+scratchdir comprises of two top level directories - virtualenv dir and another
+dir with package_name sources that are git cloned or a local copy of the same.
 
 ----
 
 ##Script: cleanup-numpydeppkg.sh
 
-### Use Case:  
+### Use Case:
 
 This is a helper script used by **redraw-numpy-dep-charts.sh** script. Its sole
-purpose is to cleanup all the packages that were installed by **fetch-numpydeppkg.sh** script executed prior to running cleanup script.  It also removes the scratch
-directory contents related to virtualenv setup and package sources that were
-installed by **fetch-numpydeppkg.sh** script.  If you have not used **fetch-numpydeppkg**
-script then you do not need to run the cleanup script.
+purpose is to cleanup all the packages that were installed by
+**fetch-numpydeppkg.sh** script executed prior to running cleanup script. It
+ also removes the scratch directory contents related to virtualenv setup and
+package sources that were installed by **fetch-numpydeppkg.sh** script. If you
+have not used **fetch-numpydeppkg** script then you do not need to run the cleanup script.
 
 #### Usage:
 
@@ -122,6 +133,6 @@ script then you do not need to run the cleanup script.
 *scratchdir:* local directory where the package contents were earlier fetched by
 **fetch-numpydeppkg.sh** script.
 
-*reqfile_parentdir:*  This is the name (not path) of the root directory of package that contains requirements.txt file. This is needed to uninstall all package
-dependencies that were installed as part of fetching and setting up of package
-by **fetch-numpydeppkg.sh** script.
+*reqfile_parentdir:*  This is the name (not path) of the root directory of
+package that contains requirements.txt file. This is needed to uninstall all
+package dependencies that were installed as part of fetching and setting up of package by **fetch-numpydeppkg.sh** script.