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PDGREPPE Replace Controls

        :[eluLU]

 :U             convert all next to Upper


        pdgreppe "pattern?" -kekikwkr":U&" file_id.diz


...":U&" changes any string "pattern" in FILE_ID.DIZ to all
UPPER case letters by ":U&".

 :L             convert all next to Lower


        pdgreppe "^@Word" -kekikwkr":L&" file_id.diz


...":L&" changes any "@Word" at the start of a line "^" in
FILE_ID.DIZ to all lower case letters by ":L&".

 :u             convert next character to Upper


        pdgreppe "pattern?" -kekikwkr":u&" file_id.diz


...":u&" changes the front letter of any string like "pattern"
in FILE_ID.DIZ to an UPPER case letter by ":u".

 :l             convert next character to Lower


        pdgreppe "Search" -kekikwkr":l&" file_id.diz


...":l&" sets to lower case the "S" of "Search" in FILE_ID.DIZ by
":l".

 :e             End convert to lower or upper


        pdgreppe "(Search)(.*)" -kekikwkr":U%0:e%1." file_id.diz


...":U%0:e%1." sets to all UPPER case "Search" in FILE_ID.DIZ by
":U%0" and then adds everything after "Search" unchanged by ":e%1"
followed by a period ".".

:[ULule]...

Control switches modify the case translation of letter
characters in edit.

For example, if the search pattern is

        "<john"

(the start of a word like "john" or "johnathon"), a match is
found, and the replacement pattern is

        ":u&"

then the substitution becomes

        "John"

or

        "Johnathon"

capitalised by

        ":u"

upper-case-1-letter control in the pattern

        ":u&".

Also, the case translation characters will affect the literal
string content of replacement patterns.


        pdgreppe "Search" -kekikwkr":Udisplay" file_id.diz


...":Udisplay" sets to UPPER case ":U" the replacement pattern
"display".

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