chore(user/randtxt.sh):Update description and add glob var comments

diff --git a/user/randtxt.sh b/user/randtxt.sh
index cd242a2d6c984d62246449bc541eb3c48604a9b2..642b4e0294767fc23772ca0dcfb6b89b51acdb06 100755 (executable)
--- a/user/randtxt.sh
+++ b/user/randtxt.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
 #!/bin/bash

-# Desc: Outputs text at randomish position within dir of text files
+# Desc: Output random text selection from a text file within a directory

 # Usage: randtxt.sh DIR
 # Usage: randtxt.sh DIR

-# Version 0.0.4
+# Version 0.0.5

 # Depends: Bash 5.1.16, GNU findutils 4.8.0, GNU Coreutils 8.32
 # Example: randtxt.sh ~/Calibre\ Library/
 
 # Depends: Bash 5.1.16, GNU findutils 4.8.0, GNU Coreutils 8.32
 # Example: randtxt.sh ~/Calibre\ Library/
 

-SAMPLE=10000;
-CONTEXT="5000"; # total bytes +1 before and after point within file to print
+SAMPLE=10000;   # ceiling for number of text files to consider
+CONTEXT="5000"; # total bytes +1 of text to display

 if [[ $(( CONTEXT/2 + CONTEXT/2 )) -lt $CONTEXT ]]; then ((CONTEXT++)); fi;
 
 
 if [[ $(( CONTEXT/2 + CONTEXT/2 )) -lt $CONTEXT ]]; then ((CONTEXT++)); fi;