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# Written by Aleksey Cheusov <vle@gmx.net>, public domain
#
# This awk module is a part of RunAWK distribution,
# http://sourceforge.net/projects/runawk
#
############################################################
# =head2 xsystem.awk
#
# =over 2
#
# =item I<xsystem(FILE)>
#
# safe wrapper for 'system'.
# awk exits with error if system() function failed.
#
# =back
#
#use "alt_assert.awk"
function xsystem (fn){
assert(system(fn) == 0, "system(\"" fn "\") failed")
}
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