Align columns: Difference between revisions
Add APL
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</pre>
=={{header|APL}}==
<syntaxhighlight lang="apl">align←{
left ← {⍺↑⍵}
right ← {(-⍺)↑⍵}
center ← {⍺↑(-⌊(≢⍵)+(⍺-≢⍵)÷2)↑⍵}
text ← ⊃⎕NGET⍵
words ← ((≠∘'$')⊆⊣)¨(~text∊⎕TC)⊆text
sizes ← 1+⌈⌿↑≢¨¨words
method ← ⍎⍺
↑,/↑(⊂sizes)method¨¨↓↑words
}</syntaxhighlight>
{{out}}
<pre> 'left' align 'test.txt'
Given a text file of many lines, where fields within a line
are delineated by a single 'dollar' character, write a program
that aligns each column of fields by ensuring that words in each
column are separated by at least one space.
Further, allow for each word in a column to be either left
justified, right justified, or center justified within its column.
'center' align 'test.txt'
Given a text file of many lines, where fields within a line
are delineated by a single 'dollar' character, write a program
that aligns each column of fields by ensuring that words in each
column are separated by at least one space.
Further, allow for each word in a column to be either left
justified, right justified, or center justified within its column.
'right' align 'test.txt'
Given a text file of many lines, where fields within a line
are delineated by a single 'dollar' character, write a program
that aligns each column of fields by ensuring that words in each
column are separated by at least one space.
Further, allow for each word in a column to be either left
justified, right justified, or center justified within its column.</pre>
=={{header|AppleScript}}==
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Further, allow for each word in a column to be either left
justified, right justified, or center justified within its column. </pre>
=={{header|ARM Assembly}}==
{{works with|as|Raspberry Pi <br> or android 32 bits with application Termux}}
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