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Diffstat (limited to 'doc/gawk.1')
| -rw-r--r-- | doc/gawk.1 | 26 |
1 files changed, 23 insertions, 3 deletions
@@ -13,7 +13,7 @@ . if \w'\(rq' .ds rq "\(rq . \} .\} -.TH GAWK 1 "May 09 2013" "Free Software Foundation" "Utility Commands" +.TH GAWK 1 "Mar 08 2014" "Free Software Foundation" "Utility Commands" .SH NAME gawk \- pattern scanning and processing language .SH SYNOPSIS @@ -917,11 +917,17 @@ An array containing the values of the current environment. The array is indexed by the environment variables, each element being the value of that variable (e.g., \fBENVIRON["HOME"]\fP might be \fB"/home/arnold"\fR). -Changing this array does not affect the environment seen by programs which +.sp +In POSIX mode, +changing this array does not affect the environment seen by programs which .I gawk spawns via redirection or the .B system() function. +Otherwise, +.I gawk +updates its real environment so that programs it spawns see +the changes. .TP .B ERRNO If a system error occurs either doing a redirection for @@ -1364,6 +1370,11 @@ The construct may also be used in a .B for loop to iterate over all the elements of an array. +However, the +.B "(i, j) in array" +construct only works in tests, not in +.B for +loops. .PP An element may be deleted from an array using the .B delete @@ -2443,6 +2454,15 @@ This applies only to the numeric output formats. This flag only has an effect when the field width is wider than the value to be printed. .TP +.B ' +A single quote character instructs +.I gawk +to insert the locale's thousands-separator character +into decimal numbers, and to also use the locale's +decimal point character with floating point formats. +This requires correct locale support in the C library +and in the definition of the current locale. +.TP .I width The field should be padded to this width. The field is normally padded with spaces. With the @@ -3962,7 +3982,7 @@ We thank him. .SH COPYING PERMISSIONS Copyright \(co 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2007, 2009, -2010, 2011, 2012, 2013 +2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc. .PP Permission is granted to make and distribute verbatim copies of |