01-26-2010
tr command
Hi.
This is my first post,
I am trying to change certain sections of a file from UPPERCASE to lowercase. For this I am using the tr command. The thing is it is changing all of the text in the file to lowercase. My question is "can you use pattern matching or something in conjunction with tr to selectively change text?"
Eg: my code is
line_x (P) { ....
line_y (Q) { ...........
line_z(P Q) {..............
I only want to make whatever is in line_y to lowercase.
(there are multiple instances of line y)
Currently I am doing something like this:
tr "*(line_y ([A-Z]) {)" "*(line_y ([a-z]) {)" < file.orig > file.mod
but this is still just making all text lower case.
Any help or input would be greatly appreciated.
Kind Regards,
Colum.
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LEARN ABOUT DEBIAN
wml::fmt::text
wml::fmt::text(3) EN Tools wml::fmt::text(3)
NAME
wml::fmt::text - Plain ASCII with Special Formatting Semantic
SYNOPSIS
#use wml::fmt::text
<: print &wml_fmt_text({ FILE => $file, OPTIONS => '--xhtml', ...}); :>
<text notypo>
FOO
===
1. bar
2. quux
a. baz
b. foo
...
</text>
DESCRIPTION
The usage is simple: Surround the text with the "<text>" container tag and then just write plain ASCII text inside it. The corresponding
HTML code is created via txt2html(3), a filter which gives the ASCII text nice formatting semantic which control the HTML result.
If OPTIONS field is specified, a newer txt2html(1) filter is called instead of txt2html, which is dead upstream. This allows for instance
generation of XGTML markup.
The core conversion function is wml_fmt_text() which also can be used by other include files.
ATTRIBUTES
These attributes can be used both in the "<text>" tag (in lowercase letters) and in "wml_fmt_text" arguments, as shown in examples above.
"NOTYPO"
By default, font commands are added to headings to highlight them. This attribute prevents alteration of txt2html output.
"OPTIONS=str"
This attribute performs two actions: select txt2html filter instead of txt2html, and str arguments are passed literally on the command
line of txt2html.
AUTHOR
Ralf S. Engelschall
rse@engelschall.com
www.engelschall.com
REQUIRES
Internal: P1, P2, P3, txt2html (WML)
External: --
SEE ALSO
txt2html(1), txt2html(3)
EN Tools 2014-04-16 wml::fmt::text(3)