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| author | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:06:39 +1200 |
|---|---|---|
| committer | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:46:47 +1200 |
| commit | c8ab406749124d2e762ad5cf53963070113afd0f (patch) | |
| tree | 54c9721a06957ebe7098a211eea803b0230c0f5d /bin/stws.sh | |
| parent | Handle POSIX correctness in ~/.bash_profile (diff) | |
| download | dotfiles-c8ab406749124d2e762ad5cf53963070113afd0f.tar.gz dotfiles-c8ab406749124d2e762ad5cf53963070113afd0f.zip | |
Apply runtime shebanging to POSIX shell
Diffstat (limited to 'bin/stws.sh')
| -rw-r--r-- | bin/stws.sh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/bin/stws.sh b/bin/stws.sh new file mode 100644 index 00000000..ce2c14d0 --- /dev/null +++ b/bin/stws.sh @@ -0,0 +1,18 @@ +# Strip trailing spaces on one or more files + +# Check arguments +if [ "$#" -eq 0 ] ; then + printf >&2 'stws: Need a filename\n' + exit 2 +fi + +# Iterate over arguments and apply the same ed(1) script to each of them +for fn ; do + ed -s -- "$fn" <<'EOF' || ex=1 +g/ *$/ s/ *$// +w +EOF +done + +# If any of the ed(1) commands failed, we should exit with 1 +exit "${ex:-0}" |