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test/getline5.awk
35 строк
605 B
Arnold D. Robbins
Doc update and new test on getline with side effects.
13 июл 2012, 13:11
13 июл 2012, 13:11
4fe1f4a
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# Message-ID: <4F7832BD.9030709@gmx.com> # Date: Sun, 01 Apr 2012 11:49:33 +0100 # From: Duncan Moore <duncan.moore@gmx.com> # To: "bug-gawk@gnu.org" <bug-gawk@gnu.org> # Subject: [bug-gawk] getline difference from gawk versions >=4.0.0 # # Hi # # b.awk: # # BEGIN { # system("echo 1 > f") # while ((getline a[++c] < "f") > 0) {} # print c # } # # gawk -f b.awk # # Prior to gawk 4.0.0 this outputs: # # 1 # # For 4.0.0 and 4.0.1 it outputs: # # 2 # # Regards # Duncan Moore BEGIN { system("echo 1 > f") while ((getline a[++c] < "f") > 0) {} print c system("rm -f f") }