Execute a system command: Difference between revisions
Updated with more modern example
Jazzedpineda (talk | contribs) (Add Plain English) |
(Updated with more modern example) |
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=={{header|FutureBasic}}==
Classic FB using Pascal strings
<syntaxhighlight lang="futurebasic">
include "ConsoleWindow"▼
local fn DoUnixCommand( cmd as str255 )
dim as str255 s
Line 735 ⟶ 733:
usr
var
</pre>
Modern FB using CFStrings
<syntaxhighlight>
// For remote uses like curl
// #plist NSAppTransportSecurity @{NSAllowsArbitraryLoads:YES}
local fn RunTerminalCommand( cmd as CFStringRef ) as CFStringRef
————————————————————————————————————————————————————————————————————————————————————————————————————
ErrorRef err = NULL
CFStringRef outputStr = NULL
TaskRef task = fn TaskInit
TaskSetExecutableURL( task, fn URLFileURLWithPath( @"/bin/zsh" ) )
CFStringRef cmdStr = fn StringWithFormat( @"%@", cmd )
CFArrayRef args = fn ArrayWithObjects( @"-c", cmdStr, NULL )
TaskSetArguments( task, args )
PipeRef p = fn PipeInit
TaskSetStandardOutput( task, p )
TaskSetStandardError( task, p )
FileHandleRef fh = fn PipeFileHandleForReading( p )
fn TaskLaunch( task, NULL )
TaskWaitUntilExit( task )
CFDataRef dta = fn FileHandleReadDataToEndOfFile( fh, @err )
if err then NSLog( @"Error reading file: %@", fn ErrorLocalizedDescription( err ) ) : exit fn
fn FileHandleClose( fh, @err )
if err then NSLog( @"Error closing file: %@", fn ErrorLocalizedDescription( err ) ) : exit fn
outputStr = fn StringWithData( dta, NSUTF8StringEncoding )
end fn = outputStr
CFStringRef cmd
cmd = @"cal 2023"
NSLog( @"%@", fn RunTerminalCommand( cmd ) )
HandleEvents
</syntaxhighlight>
{{output}}
<pre>
2023
January February March
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7 1 2 3 4 1 2 3 4
8 9 10 11 12 13 14 5 6 7 8 9 10 11 5 6 7 8 9 10 11
15 16 17 18 19 20 21 12 13 14 15 16 17 18 12 13 14 15 16 17 18
22 23 24 25 26 27 28 19 20 21 22 23 24 25 19 20 21 22 23 24 25
29 30 31 26 27 28 26 27 28 29 30 31
April May June
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 6 1 2 3
2 3 4 5 6 7 8 7 8 9 10 11 12 13 4 5 6 7 8 9 10
9 10 11 12 13 14 15 14 15 16 17 18 19 20 11 12 13 14 15 16 17
16 17 18 19 20 21 22 21 22 23 24 25 26 27 18 19 20 21 22 23 24
23 24 25 26 27 28 29 28 29 30 31 25 26 27 28 29 30
30
July August September
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 1 2 3 4 5 1 2
2 3 4 5 6 7 8 6 _� _�7 8 9 10 11 12 3 4 5 6 7 8 9
9 10 11 12 13 14 15 13 14 15 16 17 18 19 10 11 12 13 14 15 16
16 17 18 19 20 21 22 20 21 22 23 24 25 26 17 18 19 20 21 22 23
23 24 25 26 27 28 29 27 28 29 30 31 24 25 26 27 28 29 30
30 31
October November December
Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7 1 2 3 4 1 2
8 9 10 11 12 13 14 5 6 7 8 9 10 11 3 4 5 6 7 8 9
15 16 17 18 19 20 21 12 13 14 15 16 17 18 10 11 12 13 14 15 16
22 23 24 25 26 27 28 19 20 21 22 23 24 25 17 18 19 20 21 22 23
29 30 31 26 27 28 29 30 24 25 26 27 28 29 30
31
</pre>
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