incdec: Increment the number and print the whole line

Thinking I might be able to echo the whole line to the command line
instead of working out how to replace just the number that we've
incremented.

Discovered how to increment a number in a regex substitution from this
Stack Overflow answer by Mark Setchell
(https://stackoverflow.com/users/2836621/mark-setchell):
https://stackoverflow.com/questions/54367360/how-to-increment-the-last-number-in-a-string-bash/54367784#54367784

1 files changed, 11 insertions, 3 deletions

diff --git a/incdec b/incdec
index cad4101..854717d 100644
--- a/incdec
+++ b/incdec
@@ -14,9 +14,13 @@ function incdec {
 
 	number=${BASH_REMATCH[1]}
 
-	echo "${READLINE_LINE}"
-	echo "${BASH_REMATCH[0]}"
-	echo "$(($number + 1))"
+	# echo "${READLINE_LINE}"
+	# echo "${BASH_REMATCH[0]}"
+	# echo "$(($number + 1))"
+
+	incremented_line="$(echo "$line_part" | perl -pe 's/(\d+)/$1+1/e')"
+
+	printf "${READLINE_LINE:0:$READLINE_POINT}$incremented_line"
 }
 
 function __readline_incdec_incdec2 {
@@ -24,6 +28,10 @@ function __readline_incdec_incdec2 {
 	echo !#
 }
 
+# function __readline_incdec_perl {
+# 	perl 
+# }
+
 bind -x '"\C-xa+":incdec'
 # bind '"\C-xaa":\C-xa+'