ABC words: Difference between revisions
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54 tabernacle
55 tablecloth</pre>
=={{header|Pascal}}==
==={{header|Free Pascal}}===
<syntaxhighlight lang="pascal">
Program abcwords;
uses Classes;
const
FNAME = 'unixdict.txt';
var
list: TStringList;
str : string;
a,b,c : integer;
begin
list := TStringList.Create;
list.LoadFromFile(FNAME);
for str in list do
begin
a := pos('a',str);
b := pos('b',str);
c := pos('c',str);
if (a>0) and (b>a) and (c > b) then writeln(str);
end;
end.
</syntaxhighlight>
{{out}}
<pre>
aback
abacus
abc
abdicate
abduct
abeyance
abject
abreact
abscess
abscissa
abscissae
absence
abstract
abstracter
abstractor
adiabatic
aerobacter
aerobic
albacore
alberich
albrecht
algebraic
alphabetic
ambiance
ambuscade
aminobenzoic
anaerobic
arabic
athabascan
auerbach
diabetic
diabolic
drawback
fabric
fabricate
flashback
halfback
iambic
lampblack
leatherback
metabolic
nabisco
paperback
parabolic
playback
prefabricate
quarterback
razorback
roadblock
sabbatical
snapback
strabismic
syllabic
tabernacle
tablecloth
</pre>
=={{header|Perl}}==
Line 2,640 ⟶ 2,726:
prefabricate quarterback razorback roadblock sabbatical snapback
strabismic syllabic tabernacle tablecloth
</pre>
=={{header|R}}==
<syntaxhighlight lang="R">
library(stringi)
library(dplyr)
check_abc <- function(w) {
char_list <- stri_split_boundaries(w, type='character')[[1]]
fpos <- lapply(c("a","b","c"),\(x) grep(x,char_list)) %>% sapply(\(x) x[1])
if (any(is.na(fpos)==T)) return(F)
ifelse(all(sort(fpos) == fpos),T,F)
}
rep <- sapply(readLines("unixdict.txt"), \(x) check_abc(x))
print(names(rep[rep == T]))
</syntaxhighlight>
{{out}}
<pre>
[1] "aback" "abacus" "abc" "abdicate" "abduct" "abeyance"
[7] "abject" "abreact" "abscess" "abscissa" "abscissae" "absence"
[13] "abstract" "abstracter" "abstractor" "adiabatic" "aerobacter" "aerobic"
[19] "albacore" "alberich" "albrecht" "algebraic" "alphabetic" "ambiance"
[25] "ambuscade" "aminobenzoic" "anaerobic" "arabic" "athabascan" "auerbach"
[31] "diabetic" "diabolic" "drawback" "fabric" "fabricate" "flashback"
[37] "halfback" "iambic" "lampblack" "leatherback" "metabolic" "nabisco"
[43] "paperback" "parabolic" "playback" "prefabricate" "quarterback" "razorback"
[49] "roadblock" "sabbatical" "snapback" "strabismic" "syllabic" "tabernacle"
[55] "tablecloth"
</pre>
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