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Diffstat (limited to 'mcon/U/Tr.U')
| -rw-r--r-- | mcon/U/Tr.U | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/mcon/U/Tr.U b/mcon/U/Tr.U new file mode 100644 index 0000000..a7320fe --- /dev/null +++ b/mcon/U/Tr.U @@ -0,0 +1,103 @@ +?RCS: $Id$ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: Tr.U,v $ +?RCS: Revision 3.0.1.2 1994/10/29 18:00:54 ram +?RCS: patch43: forgot to quote $@ to protect against "evil" characters +?RCS: +?RCS: Revision 3.0.1.1 1994/10/29 15:58:35 ram +?RCS: patch36: created +?RCS: +?X: +?X: This unit produces a bit of shell code that must be dotted in in order +?X: to do a character translation. It catches translations to uppercase or +?X: to lowercase, and then invokes the real tr to perform the job. +?X: +?X: This unit is necessary on HP machines (HP strikes again!) with non-ascii +?X: ROMAN8-charset, where normal letters are not arranged in a row, so a-z +?X: covers not the whole alphabet but lots of special chars. This was reported +?X: by Andreas Sahlbach <a.sahlbach@tu-bs.de>. +?X: +?X: Units performing a tr '[A-Z]' '[a-z]' or the other way round should include +?X: us in their dependency and use ./tr instead. +?X: +?MAKE:Tr: startsh tr eunicefix +?MAKE: -pick add $@ %< +?F:./tr +?T:up low LC_ALL +: see whether [:lower:] and [:upper:] are supported character classes +echo " " +case "`echo AbyZ | LC_ALL=C $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in +ABYZ) + echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4 + up='[:upper:]' + low='[:lower:]' + ;; +*) # There is a discontinuity in EBCDIC between 'I' and 'J' + # (0xc9 and 0xd1), therefore that is a nice testing point. + if test "X$up" = X -o "X$low" = X; then + case "`echo IJ | LC_ALL=C $tr '[I-J]' '[i-j]' 2>/dev/null`" in + ij) up='[A-Z]' + low='[a-z]' + ;; + esac + fi + if test "X$up" = X -o "X$low" = X; then + case "`echo IJ | LC_ALL=C $tr I-J i-j 2>/dev/null`" in + ij) up='A-Z' + low='a-z' + ;; + esac + fi + if test "X$up" = X -o "X$low" = X; then + case "`echo IJ | od -x 2>/dev/null`" in + *C9D1*|*c9d1*) + echo "Hey, this might be EBCDIC." >&4 + if test "X$up" = X -o "X$low" = X; then + case "`echo IJ | \ + LC_ALL=C $tr '[A-IJ-RS-Z]' '[a-ij-rs-z]' 2>/dev/null`" in + ij) up='[A-IJ-RS-Z]' + low='[a-ij-rs-z]' + ;; + esac + fi + if test "X$up" = X -o "X$low" = X; then + case "`echo IJ | LC_ALL=C $tr A-IJ-RS-Z a-ij-rs-z 2>/dev/null`" in + ij) up='A-IJ-RS-Z' + low='a-ij-rs-z' + ;; + esac + fi + ;; + esac + fi +esac +case "`echo IJ | LC_ALL=C $tr \"$up\" \"$low\" 2>/dev/null`" in +ij) + echo "Using $up and $low to convert case." >&4 + ;; +*) + echo "I don't know how to translate letters from upper to lower case." >&4 + echo "Your tr is not acting any way I know of." >&4 + exit 1 + ;; +esac +: set up the translation script tr, must be called with ./tr of course +cat >tr <<EOSC +$startsh +case "\$1\$2" in +'[A-Z][a-z]') LC_ALL=C exec $tr '$up' '$low';; +'[a-z][A-Z]') LC_ALL=C exec $tr '$low' '$up';; +esac +LC_ALL=C exec $tr "\$@" +EOSC +chmod +x tr +$eunicefix tr + |