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→{{header|REXX}}: added/changed comments and whitespace, adjusted width of titles.
(Add Nit. Original author: Jean Privat <jean@pryen.org>) |
m (→{{header|REXX}}: added/changed comments and whitespace, adjusted width of titles.) |
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Line 5,660:
===(with output)===
<lang rexx>/*REXX program displays various alignments for words in
cols=0; size=0; wid.=0; t.=; @.=
/* [↓] some "text" lines. */
t.1 = "Given$a$text$file$of$many$lines,$where$fields$within$a$line$"
t.2 = "are$delineated$by$a$single$'dollar'$character,$write$a$program"
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t.5 = "Further,$allow$for$each$word$in$a$column$to$be$either$left$"
t.6 = "justified,$right$justified,$or$center$justified$within$its$column."
/* [↑] a null line is the end of text.*/
do r=1 while t.r\=='' /* [↓] process all the text lines. */
_=strip(t.r,,'$') /*strip leading & trailing
do c=1 until _=='' /* [↓] process each
parse var _ @.r.c '$' _
wid.c=max(wid.c, length(@.r.c)) /*
end /*c*/
cols=max(cols,c) /*use the maximum COLS found. */
end /*r*/
do k=1 for cols; size=size+wid.k; end /*find the width of the biggest line. */
rows=r-1 /*adjust ROWS because of the DO loop.*/
do j=1 for 3; say; say /*show
say center(word('left right center', j) "aligned", size+cols-1, "═") /*show title*/
if j==
if j==
end /*c*/
say substr(_, 2) /*ignore the leading extra blank. */
end /*r*/
end /*j*/ /*stick a fork in it, we're all done. */</lang>▼
{{out|output|text= when using the default input:}}
▲ /*stick a fork in it, we're done.*/</lang>
<pre>
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Line 5,725 ⟶ 5,723:
===(boxed output)===
Note: This version boxes each column of output to better show the columns.
<lang rexx>/*REXX
cols=0; size=0; wid.=0; t.=; @.=
/* [↓] some "text" lines. */
t.1 = "Given$a$text$file$of$many$lines,$where$fields$within$a$line$"
t.2 = "are$delineated$by$a$single$'dollar'$character,$write$a$program"
Line 5,734 ⟶ 5,732:
t.5 = "Further,$allow$for$each$word$in$a$column$to$be$either$left$"
t.6 = "justified,$right$justified,$or$center$justified$within$its$column."
/* [↑] a null line is the end of text.*/
do r=1 while t.r\=='' /* [↓] process all the text lines. */
_=strip(t.r,,'$') /*strip leading & trailing
do c=1 until _=='' /* [↓] process each
parse var _ @.r.c '$' _
wid.c=max(wid.c, length(@.r.c)) /*
end /*c*/
cols=max(cols,c) /*use the maximum COLS found. */
end /*r*/
do k=1 for cols; size=size+wid.k; end /*find the width of the biggest line. */
rows=r-1 /*adjust ROWS because of the DO loop.*/
do j=1 for 3; say; say /*show
say center(word('left right center', j) "aligned", size+cols+1, "═") /*show title*/
do r=0 to rows; _=; !='│'; if r==0 then !='┬'
do c=1 for cols; x=@.r.c
if r==0 then x=copies("─", wid.c +1)
if j==1 then _=_ || ! || left(x, wid.c)
if j==2 then _=_ || ! || right(x, wid.c)
if j==3 then _=_ || ! || centre(x, wid.c)
end /*c*/
if r==0 then do; _= '┌'substr(_, 2, length(_) -1)"┐"
bot= '└'substr(_, 2, length(_) -2)"┘"
end
else _=_ || !
say _
end /*r*/ /* [↑] shows words in boxes. */
say translate(bot, '┴', "┬")▼
▲ /* [↑] shows words in boxes.*/
end /*j*/ /*stick a fork in it, we're all done. */</lang>
▲ say translate(bot,'┴',"┬")
{{out|output|text= when using the default input:}}
<pre>
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