diff options
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/tl.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/tl.sh')
-rw-r--r-- | bin/tl.sh | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/bin/tl.sh b/bin/tl.sh new file mode 100644 index 00000000..86bca469 --- /dev/null +++ b/bin/tl.sh @@ -0,0 +1,28 @@ +# Tag lines from files or stdin with a string prefix or suffix +self=tl + +# Parse options out +while getopts 'p:s:' opt ; do + case $opt in + + # Prefix + p) pref=$OPTARG ;; + + # Suffix + s) suff=$OPTARG ;; + + # Unknown option + \?) + printf >&2 '%s: Unknown option %s\n' \ + "$self" "$opt" + exit 2 + ;; + esac +done +shift "$((OPTIND-1))" + +# Print each line as we read it, adding the tags +cat -- "${@:--}" | +while IFS= read -r line ; do + printf '%s%s%s\n' "$pref" "$line" "$suff" +done |