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| author | Lasse Collin <lasse.collin@tukaani.org> | 2024-02-09 23:00:05 +0200 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2024-02-09 23:00:05 +0200 |
| commit | fd0692b0525e6c26b496492be9e2c865cab734f8 (patch) | |
| tree | abf6ab118ece6dd1d01e355c3169c7a7ee9d3842 /src | |
| parent | liblzma: Fix typo discovered by codespell. (diff) | |
| download | xz-fd0692b0525e6c26b496492be9e2c865cab734f8.tar.xz | |
xzless: Use --show-preproc-errors with "less" 632 and newer.
This makes "less" show a warning if a decompression error occurred.
Diffstat (limited to 'src')
| -rw-r--r-- | src/scripts/xzless.in | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/scripts/xzless.in b/src/scripts/xzless.in index 79a849e2..93a415d7 100644 --- a/src/scripts/xzless.in +++ b/src/scripts/xzless.in @@ -47,13 +47,20 @@ if test "${LESSMETACHARS+set}" != set; then LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~' fi -if test "$(less -V | { read _ ver _ && echo ${ver%%.*}; })" -ge 429; then +VER=$(less -V | { read _ ver _ && echo ${ver%%.*}; }) +if test "$VER" -ge 429; then # less 429 or later: LESSOPEN pipe will be used on # standard input if $LESSOPEN begins with |-. LESSOPEN="|-$xz -cdfqQ -- %s" else LESSOPEN="|$xz -cdfqQ -- %s" fi + +SHOW_PREPROC_ERRORS= +if test "$VER" -ge 632; then + SHOW_PREPROC_ERRORS=--show-preproc-errors +fi + export LESSMETACHARS LESSOPEN -exec less "$@" +exec less $SHOW_PREPROC_ERRORS "$@" |