bin/: Add examples to help strings

10 files changed, 175 insertions, 1 deletions

diff --git a/bin/gc b/bin/gc
index ec6a8f1..23a0436 100755
--- a/bin/gc
+++ b/bin/gc
@@ -14,6 +14,16 @@ help() {
 
 		Options:
 		  -h, --help    show this message
+
+
+		Free disk space system-wide.
+
+
+		Examples:
+
+		  Just run it:
+
+		    $ gc
 	EOF
 }
 
diff --git a/bin/mkdtemp b/bin/mkdtemp
index d012175..3729dd4 100755
--- a/bin/mkdtemp
+++ b/bin/mkdtemp
@@ -15,10 +15,50 @@ help() {
 		Options:
 		  -h, --help    show this message
 
+
 		Create a new temporary file and echo its name back.
+
+
+		Examples:
+
+		  `cd` into temporary directory:
+
+		    $ cd "$(mkdtemp)"
 	EOF
 }
 
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+while getopts 'h' flag; do
+	case "$flag" in
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+
 name="$(tmpname)"
 mkdir "$name"
 echo "$name"
diff --git a/bin/mkstemp b/bin/mkstemp
index ec92c14..4097e59 100755
--- a/bin/mkstemp
+++ b/bin/mkstemp
@@ -15,10 +15,50 @@ help() {
 		Options:
 		  -h, --help    show this message
 
+
 		Create a new temporary file and echo its name back.
+
+
+		Examples:
+
+		  Capture output into temporary file:
+
+		    $ OUT="$(mkstemp)"; cmd > "$OUT"
 	EOF
 }
 
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+while getopts 'h' flag; do
+	case "$flag" in
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+
 name="$(tmpname)"
 touch "$name"
 echo "$name"
diff --git a/bin/pre b/bin/pre
index 79c212f..2b32f8f 100755
--- a/bin/pre
+++ b/bin/pre
@@ -15,6 +15,20 @@ help() {
 		Options:
 		  -c COLOR      ANSI color to be used on the prefix text
 		  -h, --help    show this message
+
+		Prefix STDIN with PREFIX.
+
+
+		Examples:
+
+		  Prefix with 'database':
+
+		    $ ./run-db.sh | pre 'database'
+
+
+		  Prefix with yellow 'numbers':
+
+		    $ seq 10 | pre -c yellow numbers
 	EOF
 }
 
diff --git a/bin/prompt b/bin/prompt
index 68dff61..247c81a 100755
--- a/bin/prompt
+++ b/bin/prompt
@@ -20,6 +20,15 @@ help() {
 
 		Display a prompt and return a value corresponding to the
 		response.
+
+
+		Examples:
+
+		  Conditionally run download command
+
+		    if prompt 'Download files?'; then
+			run_download;
+		    fi
 	EOF
 }
 
diff --git a/bin/qr b/bin/qr
index 4821a46..c0462e1 100755
--- a/bin/qr
+++ b/bin/qr
@@ -16,7 +16,20 @@ help() {
 		  -s PIXEL_SIZE    size of the pixel (default 10)
 		  -h, --help       show this help message
 
+
 		Read data from STDIN and present a QR image with said data.
+
+
+		Examples:
+
+		  Link to my homepage:
+
+		    $ printf 'https://euandre.org' | qr
+
+
+		  Numbers with a smaller pixel size:
+
+		    $ seq 99 | qr -s 5
 	EOF
 }
 
diff --git a/bin/tmp b/bin/tmp
index e2d16b7..2dc0b48 100755
--- a/bin/tmp
+++ b/bin/tmp
@@ -16,6 +16,21 @@ help() {
 		Options:
 		  -d            delete the remote "tmp/" folder
 		  -h, --help    show this message
+
+
+		Copies a file to the public server.
+
+
+		Examples:
+
+		  Copy f.txt:
+
+		    $ tmp f.txt
+
+
+		  Cleanup the $REMOTE:
+
+		    $ tmp -d
 	EOF
 }
 
diff --git a/bin/tmpname b/bin/tmpname
index d83fc87..89d7e4d 100755
--- a/bin/tmpname
+++ b/bin/tmpname
@@ -15,10 +15,24 @@ help() {
 		Options:
 		  -h, --help    show this message
 
+
 		Generate a temporary name.
+
+
+		Examples:
+
+		  Create a temporary file:
+
+		    $ OUT="$(tmpname)"; touch "$OUT"; cmd > "$OUT"
+
+
+		  `cd` into a temporary directory:
+
+		    $ DIR="$(tmpname)"; mkdir -p "$DIR"; cd "$DIR"
 	EOF
 }
 
+
 for flag in "$@"; do
 	case "$flag" in
 		--)
diff --git a/bin/uuid b/bin/uuid
index 74d0fba..34b685f 100755
--- a/bin/uuid
+++ b/bin/uuid
@@ -15,7 +15,16 @@ help() {
 		Options:
 		  -h, --help    show this message
 
+
 		Generate UUID from /dev/random.
+
+
+		Examples:
+
+		  Generate a UUID:
+
+		    $ uuid
+		    755244c8-f955-16df-75cc-f25600c90422
 	EOF
 }
 
diff --git a/bin/xmpp b/bin/xmpp
index 472e9ca..b08a783 100755
--- a/bin/xmpp
+++ b/bin/xmpp
@@ -18,7 +18,17 @@ Options:
   -h, --help    show this message
 
   FROM_JID      the address used to send the message from
-  TO_JID        the addresses where to send the message to"""
+  TO_JID        the addresses where to send the message to
+
+
+Send a one-off XMPP message.
+
+
+Examples:
+
+  Send a message to eu@euandreh.xyz:
+
+    $ xmpp -m 'Hello, XMPP!' eu@euandreh.xyz"""
 
 class SendMsgBot(slixmpp.ClientXMPP):
     def __init__(self, jid, password, on_start):