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git://git.code.sf.net/p/zsh/code
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118 lines
3.0 KiB
Plaintext
118 lines
3.0 KiB
Plaintext
# Tests for process substitution: <(...), >(...) and =(...).
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%prep
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if grep '#define PATH_DEV_FD' $ZTST_testdir/../config.h > /dev/null 2>&1 ||
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grep '#define HAVE_FIFOS' $ZTST_testdir/../config.h > /dev/null 2>&1; then
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mkdir procsubst.tmp
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cd procsubst.tmp
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print 'First\tSecond\tThird\tFourth' >FILE1
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print 'Erste\tZweite\tDritte\tVierte' >FILE2
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else
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ZTST_unimplemented="process substitution is not supported"
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true
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fi
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function copycat { cat "$@" }
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%test
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paste <(cut -f1 FILE1) <(cut -f3 FILE2)
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0:<(...) substitution
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>First Dritte
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# slightly desperate hack to force >(...) to be synchronous
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{ paste <(cut -f2 FILE1) <(cut -f4 FILE2) } > >(sed 's/e/E/g' >OUTFILE)
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cat OUTFILE
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0:>(...) substitution
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>SEcond ViErtE
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diff =(cat FILE1) =(cat FILE2)
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1:=(...) substituion
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>1c1
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>< First Second Third Fourth
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>---
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>> Erste Zweite Dritte Vierte
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copycat <(print First) <(print Zweite)
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0:FDs remain open for external commands called from functions
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>First
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>Zweite
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catfield2() {
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local -a args
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args=(${(s.,.)1})
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print $args[1]
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cat $args[2]
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print $args[3]
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}
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catfield2 up,<(print $'\x64'own),sideways
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0:<(...) when embedded within an argument
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>up
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>down
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>sideways
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outputfield2() {
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local -a args
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args=(${(s.,.)1})
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print $args[1]
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echo 'How sweet the moonlight sits upon the bank' >$args[2]
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print $args[3]
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}
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outputfield2 muddy,>(sed -e s/s/th/g >outputfield2.txt),vesture
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# yuk
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while [[ ! -e outputfield2.txt || ! -s outputfield2.txt ]]; do :; done
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cat outputfield2.txt
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0:>(...) when embedded within an argument
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>muddy
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>vesture
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>How thweet the moonlight thitth upon the bank
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catfield1() {
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local -a args
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args=(${(s.,.)1})
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cat $args[1]
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print $args[2]
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}
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catfield1 =(echo s$'\x69't),jessica
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0:=(...) followed by something else without a break
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>sit
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>jessica
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(
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setopt nonomatch
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# er... why is this treated as a glob?
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print everything,=(here is left),alone
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)
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0:=(...) preceded by other stuff has no special effect
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>everything,=(here is left),alone
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print something=${:-=(echo 'C,D),(F,G)'}
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1: Graceful handling of bad substitution in enclosed context
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?(eval):1: unterminated `=(...)'
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() {
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print -n "first: "
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cat $1
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print -n "second: "
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cat $2
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} =(echo This becomes argument one) =(echo and this argument two)
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function {
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print -n "third: "
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cat $1
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print -n "fourth: "
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cat $2
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} =(echo This becomes argument three) =(echo and this argument four)
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0:Process environment of anonymous functions
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>first: This becomes argument one
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>second: and this argument two
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>third: This becomes argument three
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>fourth: and this argument four
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() {
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# Make sure we don't close the file descriptor too early
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eval 'print "Execute a complicated command first" | sed s/command/order/'
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cat $1
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} <(echo This line was brought to you by the letters F and D)
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0:Process substitution as anonymous function argument
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>Execute a complicated order first
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>This line was brought to you by the letters F and D
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