hi,

would like to seek your advise for easiest way to alter a file using perl.

say i have below lines in a file: 

A
ZZZ
YYY
XXX
B
A
B
A
FFF
SSS
GGG
B
A
B
A
WWW
EEE
TTT
B

[download]

My objective is to remove lines A & B if there is nothing in between them.

thanks much!...

In reply to file alteration by artperl

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