_REVISION(``$Id: stdio.m4,v 1.6 2001/05/06 22:11:51 perette Exp $'')

m4_define(``FILESIZE'',
	``m4_esyscmd(ls -l $1 | awk '{print ``$''5}')'')
m4_define(``FILEEXIST'',``
	m4_syscmd([ -e "$1" ])
	m4_ifelse(m4_sysval, 0, yes, no)'')
m4_define(``FILEDATE'',
	``m4_esyscmd(ls -l $1 | awk '{print ``$''7 " " ``$''6 " " ``$''8}')
	'')
m4_define(``RANDOMFILE'',
	``m4_esyscmd(cnt=$(echo $1 | wc -w); ls -1 $1 | head -$((RANDOM % cnt + 1)) | tail -1)'')

m4_define(``DATEFORM'', ``%Y-%b-%d'')
m4_define(``DATENOW'',
	``m4_esyscmd(date '+DATEFORM')'')

m4_define(``TIMEFORM'', ``%H:%M:%S'')
m4_define(``TIMENOW'',
	``m4_esyscmd(date '+TIMEFORM')'')

m4_define(stdio_ok,``m4_ifelse(index($1,``yes''),-1,``$3'',``$2'')'')