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author | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:06:39 +1200 |
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committer | Tom Ryder <tom@sanctum.geek.nz> | 2017-04-05 20:46:47 +1200 |
commit | c8ab406749124d2e762ad5cf53963070113afd0f (patch) | |
tree | 54c9721a06957ebe7098a211eea803b0230c0f5d /bin/bl.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/bl.sh')
-rw-r--r-- | bin/bl.sh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/bin/bl.sh b/bin/bl.sh new file mode 100644 index 00000000..6dd3d687 --- /dev/null +++ b/bin/bl.sh @@ -0,0 +1,10 @@ +# Generate blank lines +if [ "$#" -ne 1 ] || [ "$1" -lt 0 ] ; then + printf >&2 'bl: Non-negative line count needed as sole argument\n' + exit 2 +fi +n=0 +while [ "$n" -lt "${1:-0}" ] ; do + printf '\n' + n=$((n+1)) +done |