update

2 files changed, 10 insertions, 7 deletions

diff --git a/pb b/pb_colour
index 279bbe8..89f6354 100755
--- a/pb
+++ b/pb_colour
@@ -1,13 +1,7 @@
 #!/usr/bin/env bash
 
-#--- is number functions
-# https://stackoverflow.com/questions/806906/how-do-i-test-if-a-variable-is-a-number-in-bash/806923#806923
-pb_isuint() { case $1        in '' | *[!0-9]*              ) return 1;; esac ;}
-pb_isint()  { case ${1#[-+]} in '' | *[!0-9]*              ) return 1;; esac ;}
-pb_isunum() { case $1        in '' | . | *[!0-9.]* | *.*.* ) return 1;; esac ;}
-pb_isnum()  { case ${1#[-+]} in '' | . | *[!0-9.]* | *.*.* ) return 1;; esac ;}
-
 #--- 256 colour functions 
+# requires pb_number
 # usage:
 #  source ./pb
 #  printf %b "$(pb_bg 196)$(pb_fg 254) RED $(pb_nc)\n"
diff --git a/pb_number b/pb_number
new file mode 100755
index 0000000..40a96be
--- /dev/null
+++ b/pb_number
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+#--- is number functions
+# https://stackoverflow.com/questions/806906/how-do-i-test-if-a-variable-is-a-number-in-bash/806923#806923
+
+pb_isuint() { case $1        in '' | *[!0-9]*              ) return 1;; esac ;}
+pb_isint()  { case ${1#[-+]} in '' | *[!0-9]*              ) return 1;; esac ;}
+pb_isunum() { case $1        in '' | . | *[!0-9.]* | *.*.* ) return 1;; esac ;}
+pb_isnum()  { case ${1#[-+]} in '' | . | *[!0-9.]* | *.*.* ) return 1;; esac ;}