Strip \x{c2} from .txt files and audit.

[exim.git] / doc / doc-docbook / SanityTestText

diff --git a/doc/doc-docbook/SanityTestText b/doc/doc-docbook/SanityTestText
new file mode 100755 (executable)
index 0000000..25b181e
--- /dev/null
+++ b/doc/doc-docbook/SanityTestText
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# Portability note:
+# This tool is only used in building spec.txt for a release, not used as
+# part of the normal build/install process, so only Maintainers are affected
+# by requirements here.
+
+filename="$1"
+
+if echo a | pcregrep -q a 2>/dev/null
+then
+       pcregrep -q '[^\x{20}-\x{7E}]' "$filename"
+       grepstatus=$?
+else
+       perl -ne 'BEGIN {$rv=1};END {exit $rv};
+               if (/[^\r\n\x{20}-\x{7E}]/) { $rv = 0; last }' < "$filename"
+       grepstatus=$?
+fi
+
+case $grepstatus in
+0)
+       echo >&2 "$0: found non-ASCII characters in $filename"
+       exit 1
+       ;;
+1)
+       exit 0
+       ;;
+2)
+       echo >&2 "$0: problem checking for non-ASCII characters in $filename"
+       exit 2
+       ;;
+*)
+       echo >&2 "$0: unhandled return value from pcregrep: $grepstatus"
+       exit 3
+       ;;
+esac