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-rw-r--r--incdec.bash10
1 files changed, 8 insertions, 2 deletions
diff --git a/incdec.bash b/incdec.bash
index 9950f33..d00c140 100644
--- a/incdec.bash
+++ b/incdec.bash
@@ -58,8 +58,14 @@ sub incdec {
}
}
- pos($line) = $start_position;
- $line =~ s/\G([^-\d]*)(-?\d+)/$1 . ($2 + $increment_by)/e;
+ # Using `\G` when `pos` is 0 seems to cause occasional missed substitutions.
+ if ($start_position > 0) {
+ pos($line) = $start_position;
+ $line =~ s/\G(-?\d+)/$1 + $increment_by/e;
+ }
+ else {
+ $line =~ s/(-?\d+)/$1 + $increment_by/e;
+ }
return $line;
}