Append a record to the end of a text file: Difference between revisions
Append a record to the end of a text file (view source)
Revision as of 02:13, 13 November 2017
, 6 years ago→{{header|Elixir}}
Thundergnat (talk | contribs) m (→{{header|Perl 6}}: Fix table content) |
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| Lists || Text file || Common Lisp Standard Library || ☑ || ☑ || ☑ (Hopefully!)
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=={{header|D}}==
{{trans|Java}}
<lang D>class Record {
private const string account;
private const string password;
private const int uid;
private const int gid;
private const string[] gecos;
private const string directory;
private const string shell;
public this(string account, string password, int uid, int gid, string[] gecos, string directory, string shell) {
import std.exception;
this.account = enforce(account);
this.password = enforce(password);
this.uid = uid;
this.gid = gid;
this.gecos = enforce(gecos);
this.directory = enforce(directory);
this.shell = enforce(shell);
}
public void toString(scope void delegate(const(char)[]) sink) const {
import std.conv : toTextRange;
import std.format : formattedWrite;
import std.range : put;
sink(account);
put(sink, ':');
sink(password);
put(sink, ':');
toTextRange(uid, sink);
put(sink, ':');
toTextRange(gid, sink);
put(sink, ':');
formattedWrite(sink, "%-(%s,%)", gecos);
put(sink, ':');
sink(directory);
put(sink, ':');
sink(shell);
}
}
public Record parse(string text) {
import std.array : split;
import std.conv : to;
import std.string : chomp;
string[] tokens = text.chomp.split(':');
return new Record(
tokens[0],
tokens[1],
to!int(tokens[2]),
to!int(tokens[3]),
tokens[4].split(','),
tokens[5],
tokens[6]);
}
void main() {
import std.algorithm : map;
import std.file : exists, mkdir;
import std.stdio;
auto rawData = [
"jsmith:x:1001:1000:Joe Smith,Room 1007,(234)555-8917,(234)555-0077,jsmith@rosettacode.org:/home/jsmith:/bin/bash",
"jdoe:x:1002:1000:Jane Doe,Room 1004,(234)555-8914,(234)555-0044,jdoe@rosettacode.org:/home/jdoe:/bin/bash",
"xyz:x:1003:1000:X Yz,Room 1003,(234)555-8913,(234)555-0033,xyz@rosettacode.org:/home/xyz:/bin/bash"
];
auto records = rawData.map!parse;
if (!exists("_rosetta")) {
mkdir("_rosetta");
}
auto passwd = File("_rosetta/.passwd", "w");
passwd.lock();
passwd.writeln(records[0]);
passwd.writeln(records[1]);
passwd.unlock();
passwd.close();
passwd.open("_rosetta/.passwd", "a");
passwd.lock();
passwd.writeln(records[2]);
passwd.unlock();
passwd.close();
passwd.open("_rosetta/.passwd");
foreach(string line; passwd.lines()) {
parse(line).writeln();
}
passwd.close();
}</lang>
{{out}}
<pre>jsmith:x:1001:1000:Joe Smith,Room 1007,(234)555-8917,(234)555-0077,jsmith@rosettacode.org:/home/jsmith:/bin/bash
jdoe:x:1002:1000:Jane Doe,Room 1004,(234)555-8914,(234)555-0044,jdoe@rosettacode.org:/home/jdoe:/bin/bash
xyz:x:1003:1000:X Yz,Room 1003,(234)555-8913,(234)555-0033,xyz@rosettacode.org:/home/xyz:/bin/bash</pre>
=={{header|Elixir}}==
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