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49 lines
1.3 KiB
49 lines
1.3 KiB
1 year ago
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proc pipe* args {
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set r [uplevel 1 [lindex $args 0]]
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for {set i 1} {$i < [llength $args]} {incr i} {
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set e [lindex $args $i]
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if {[llength $e] == 1} {
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if {$e eq {>}} {
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incr i
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uplevel 1 [list set [lindex $args $i] $r]
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} else {
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set r [uplevel 1 [list $e $r]]
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}
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} else {
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set cmd {}
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set substdone 0
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foreach arg $e {
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if {$arg eq {*}} {
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lappend cmd $r
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set substdone 1
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} else {
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lappend cmd $arg
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}
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}
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if {$substdone == 0} {
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lappend cmd $r
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}
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set r [uplevel 1 $cmd]
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}
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}
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return $r
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}
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set s " supercalifragilistichespiralitoso "
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pipe* {string trim $s} {split * {}} {lsort -unique} {join * {}} > s \
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{string length} > l
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puts $s
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puts $l
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#test running of patternmatching pipelines within pipe*
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set x [list a b blah etc]
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pipe* {set x} {,'a'@0/0= |@0> {puts $data; set data} <| *} {val *}
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pipe* {set x} {,'a'@0/0= |@0> {
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puts $data
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set data
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} <| *} {val *}
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