added reading from pipe

Author: Cerem Cem ASLAN

README.md

@@ -2,9 +2,11 @@
 
 A utility to create gists from command line
 
+ usage:
 
-  usage: 
+  create-gist.sh /path/to/file [Github user name]
 
-   create-gist.sh /path/to/file [Github user name]
+  or
 
+  lsusb | create-gist.sh [Github user name]
 

create-gist.sh

@@ -6,31 +6,39 @@
 print_usage(){
  cat << USAGE
 
-usage: 
-
-$(basename $0) /path/to/file [Github user name]
+ usage:
+
+ $(basename $0) /path/to/file [Github user name]
+
+ or
+
+ lsusb | $(basename $0) [Github user name]
 
 USAGE
 }
 
 # 0. Your file name
 FNAME=$1
-
-if [[ ! -f $FNAME ]]; then
- print_usage
- exit 2
+if [[ -f $FNAME ]]; then
+ CONTENT=$(cat $FNAME)
+ GITHUB_USERNAME=$2
+else
+ CONTENT=$(timeout 2 cat -)
+ GITHUB_USERNAME=$1
+ FNAME="stdin"
+ if [[ "$CONTENT" == "" ]]; then
+ print_usage
+ exit 2
+ fi
 fi
 
-# 0.1 Your username (optional)
-GITHUB_USERNAME=$2
-
 
 # 1. Somehow sanitize the file content
 # Remove \r (from Windows end-of-lines),
 # Replace tabs by \t
 # Replace " by \"
 # Replace EOL by \n
-CONTENT=$(sed -e 's/\r//' -e's/\t/\\t/g' -e 's/"/\\"/g' "${FNAME}" | awk '{ printf($0 "\\n") }')
+CONTENT=$(echo "${CONTENT}" | sed -e 's/\r//' -e's/\t/\\t/g' -e 's/"/\\"/g' | awk '{ printf($0 "\\n") }')
 
 read -p "Give a description: " DESCRIPTION